{"id":5789,"date":"2026-10-26T00:00:46","date_gmt":"2026-10-25T16:00:46","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5789"},"modified":"2026-10-26T18:03:40","modified_gmt":"2026-10-26T10:03:40","slug":"infant-formula-contaminant-testing-where-aas-fits-in-2026","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/infant-formula-contaminant-testing-where-aas-fits-in-2026","title":{"rendered":"Ki\u1ec3m tra t\u1ea1p ch\u1ea5t trong s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh: V\u1ecb tr\u00ed c\u1ee7a AAS trong n\u0103m 2026"},"content":{"rendered":"
\n

\"Ki\u1ec3m<\/p>\n

Ki\u1ec3m tra s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 vi\u1ec7c mua m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t. B\u1ed9t s\u1eefa, n\u01b0\u1edbc, h\u1ed7n h\u1ee3p kho\u00e1ng ch\u1ea5t, thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn, bao b\u00ec ti\u1ebfp x\u00fac v\u00e0 quy tr\u00ecnh v\u1ec7 sinh \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi kh\u00e1c nhau cho k\u1ebf ho\u1ea1ch ph\u00f2ng th\u00ed nghi\u1ec7m. Do \u0111\u00f3, m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m h\u1ee3p l\u00fd s\u1ebd t\u00e1ch bi\u1ec7t c\u00f4ng vi\u1ec7c ph\u00e2n t\u00edch nguy\u00ean t\u1ed1 kh\u1ecfi c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 vi sinh v\u1eadt, c\u1eb7n h\u1eefu c\u01a1, c\u00e1c h\u1ea1t v\u1eadt l\u00fd v\u00e0 bao b\u00ec. Quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed c\u00f3 m\u1ed9t vai tr\u00f2 c\u1ee5 th\u1ec3 trong k\u1ebf ho\u1ea1ch r\u1ed9ng l\u1edbn h\u01a1n \u0111\u00f3: n\u00f3 \u0111o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn sau khi m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb th\u00e0nh dung d\u1ecbch th\u1eed nghi\u1ec7m.<\/p>\n

\u0110\u1ed1i v\u1edbi ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m nghi\u1ec7m th\u1ef1c ph\u1ea9m, ph\u1ea7n kh\u00f3 hi\u1ebfm khi l\u00e0 nh\u1ea5n n\u00fat B\u1eaft \u0111\u1ea7u tr\u00ean h\u1ec7 th\u1ed1ng AAS. Ph\u1ea7n kh\u00f3 l\u00e0 t\u1ea1o ra m\u1ed9t m\u1eabu ph\u00e2n t\u00edch \u0111\u1ea1i di\u1ec7n, s\u1ea1ch, \u1ed5n \u0111\u1ecbnh; l\u1ef1a ch\u1ecdn ph\u1ea1m vi hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p v\u1edbi k\u1ebft qu\u1ea3 d\u1ef1 \u0111\u1ecbnh; v\u00e0 ch\u1ee9ng minh r\u1eb1ng c\u00e1c m\u1eabu tr\u1eafng, m\u1eabu chu\u1ea9n, m\u1eabu tr\u00f9ng l\u1eb7p v\u00e0 ki\u1ec3m tra \u0111\u1ed9 thu h\u1ed3i ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. Nh\u1eefng b\u01b0\u1edbc n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m tra kim lo\u1ea1i n\u1eb7ng trong c\u00e1c ma tr\u1eadn c\u00f4ng th\u1ee9c, n\u01a1i ch\u1ea5t b\u00e9o, protein, kho\u00e1ng ch\u1ea5t v\u00e0 c\u1eb7n b\u00e3 t\u1eeb qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady.<\/p>\n

V\u1ecb tr\u00ed c\u1ee7a AAS trong ki\u1ec3m nghi\u1ec7m s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh<\/b><\/strong><\/h2>\n

Ph\u00e2n t\u00edch AAS \u0111\u1eb7c hi\u1ec7u v\u1edbi t\u1eebng nguy\u00ean t\u1ed1. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c ph\u00e2n t\u00edch kho\u00e1ng ch\u1ea5t v\u00e0 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng khi nguy\u00ean t\u1ed1 m\u1ee5c ti\u00eau, ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9, quy tr\u00ecnh chu\u1ea9n b\u1ecb v\u00e0 k\u1ebf ho\u1ea1ch th\u1ea9m \u0111\u1ecbnh ph\u00f9 h\u1ee3p v\u1edbi k\u1ef9 thu\u1eadt. N\u00f3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong th\u1ef1c ph\u1ea9m v\u00e0 kh\u00f4ng th\u1ec3 thay th\u1ebf cho m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ri\u00eang bi\u1ec7t \u0111\u1ec3 ph\u00e2n t\u00edch thu\u1ed1c tr\u1eeb s\u00e2u, \u0111\u1ed9c t\u1ed1 n\u1ea5m m\u1ed1c, vi sinh v\u1eadt ho\u1eb7c vi nh\u1ef1a. Vi\u1ec7c gi\u1eef ranh gi\u1edbi r\u00f5 r\u00e0ng n\u00e0y gi\u00fap tr\u00e1nh vi\u1ec7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb h\u1ee9a h\u1eb9n nhi\u1ec1u h\u01a1n kh\u1ea3 n\u0103ng m\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 ch\u1ee9ng minh.<\/p>\n

C\u00e1c c\u00e2u h\u1ecfi s\u00e0ng l\u1ecdc tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p<\/b><\/strong><\/h3>\n

H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c ch\u1ea5t c\u1ea7n ph\u00e2n t\u00edch v\u00e0 m\u1ee5c \u0111\u00edch b\u00e1o c\u00e1o. Nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eefa c\u00f4ng th\u1ee9c c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t c\u00e1c kho\u00e1ng ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a quy tr\u00ecnh, trong khi ph\u00f2ng th\u00ed nghi\u1ec7m b\u00ean th\u1ee9 ba c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ed9t nh\u00f3m nh\u1ecf c\u00e1c kim lo\u1ea1i v\u1ebft trong th\u00e0nh ph\u1ea9m, nguy\u00ean li\u1ec7u th\u00f4 ho\u1eb7c m\u1eabu khi\u1ebfu n\u1ea1i. \u0110\u00f3 l\u00e0 nh\u1eefng c\u00f4ng vi\u1ec7c kh\u00e1c nhau. Ma tr\u1eadn, n\u1ed3ng \u0111\u1ed9 m\u1ee5c ti\u00eau, th\u00f4ng l\u01b0\u1ee3ng y\u00eau c\u1ea7u v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu c\u00f3 s\u1eb5n \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb.<\/p>\n

Quy tr\u00ecnh x\u00e1c \u0111\u1ecbnh canxi trong s\u1eefa b\u1ed9t minh h\u1ecda vai tr\u00f2 c\u1ee7a vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu theo ph\u01b0\u01a1ng ph\u00e1p c\u1ee5 th\u1ec3: m\u1eabu \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y, dung d\u1ecbch lanthanum \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t gi\u1ea3i ph\u00f3ng, v\u00e0 d\u1ecbch ph\u00e2n h\u1ee7y \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda \u1edf b\u01b0\u1edbc s\u00f3ng 422,7 nm so v\u1edbi d\u00e3y chu\u1ea9n. Tuy nhi\u00ean, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 khu\u00f4n m\u1eabu chung cho m\u1ecdi nguy\u00ean t\u1ed1 ho\u1eb7c m\u1ecdi lo\u1ea1i s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh. Ph\u00f2ng th\u00ed nghi\u1ec7m ph\u1ea3i t\u1ef1 x\u00e1c nh\u1eadn c\u00e1c ch\u1ea5t ph\u00e2n t\u00edch, qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y, ki\u1ec3m so\u00e1t nhi\u1ec5u v\u00e0 ti\u00eau ch\u00ed hi\u1ec7u su\u1ea5t c\u1ee7a m\u00ecnh.<\/p>\n

Khi n\u00e0o n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng l\u00f2 nung than ch\u00ec AAS?<\/b><\/strong><\/h3>\n

Khi c\u00e1c kim lo\u1ea1i m\u1ee5c ti\u00eau c\u00f3 m\u1eb7t \u1edf n\u1ed3ng \u0111\u1ed9 th\u1ea5p h\u01a1n ho\u1eb7c c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec5u m\u1ea1nh h\u01a1n trong ma tr\u1eadn, h\u1ec7 th\u1ed1ng AAS l\u00f2 nung than ch\u00ec c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng ch\u1ec9 s\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda. \u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t s\u1ef1 n\u00e2ng c\u1ea5p c\u00f3 t\u00ednh to\u00e1n ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ef1 \u0111\u1ed9ng. Quy\u1ebft \u0111\u1ecbnh n\u00ean d\u1ef1a tr\u00ean nhu c\u1ea7u b\u00e1o c\u00e1o \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m, kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu, k\u1ef9 n\u0103ng c\u1ee7a nh\u00e0 ph\u00e2n t\u00edch v\u00e0 th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111i\u1ec1u ki\u1ec7n l\u00f2 nung s\u1ea1ch s\u1ebd v\u00e0 hi\u1ec7u chu\u1ea9n \u1ed5n \u0111\u1ecbnh.<\/p>\n

Qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb m\u1eabu \u0111\u1eb7t ra gi\u1edbi h\u1ea1n cho ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/b><\/strong><\/h2>\n

C\u00f4ng th\u1ee9c d\u1ea1ng b\u1ed9t ch\u01b0a s\u1eb5n s\u00e0ng \u0111\u1ec3 h\u00fat ho\u1eb7c ti\u00eam. Ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ea7n c\u00f3 quy tr\u00ecnh \u0111\u01b0\u1ee3c ghi ch\u00e9p \u0111\u1ea7y \u0111\u1ee7 cho vi\u1ec7c \u0111\u1ed3ng nh\u1ea5t m\u1eabu, c\u00e2n, ph\u00e2n h\u1ee7y ho\u1eb7c chi\u1ebft xu\u1ea5t, pha lo\u00e3ng, l\u1ef1a ch\u1ecdn d\u1ee5ng c\u1ee5 ch\u1ee9a v\u00e0 b\u1ea3o qu\u1ea3n dung d\u1ecbch \u0111\u00e3 pha ch\u1ebf. M\u1ed9t thi\u1ebft b\u1ecb s\u1ea1ch s\u1ebd kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c s\u1ef1 nhi\u1ec5m b\u1ea9n do b\u00e0n pha ch\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t ho\u1eb7c do m\u1eabu tr\u1eafng thu\u1ed1c th\u1eed ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c ki\u1ec3m tra g\u00e2y ra.<\/p>\n

Ki\u1ec3m so\u00e1t s\u1ef1 nhi\u1ec5m b\u1ea9n tr\u01b0\u1edbc khi n\u00f3 x\u00e2m nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb.<\/b><\/strong><\/h3>\n

S\u1eed d\u1ee5ng c\u00e1c l\u00f4 thu\u1ed1c th\u1eed c\u00f3 ngu\u1ed3n g\u1ed1c r\u00f5 r\u00e0ng, d\u1ee5ng c\u1ee5 ph\u00f2ng th\u00ed nghi\u1ec7m ph\u00f9 h\u1ee3p v\u00e0 m\u1ed9t k\u1ebf ho\u1ea1ch tr\u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh chu\u1ea9n b\u1ecb. Ghi l\u1ea1i th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac c\u1ee7a m\u1ed9t m\u1ebb ph\u00e2n t\u00edch, lo\u1ea1i b\u00ecnh ch\u1ee9a \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng t\u1ed3n d\u01b0 sau khi x\u1eed l\u00fd v\u1eadt li\u1ec7u c\u00f3 n\u1ed3ng \u0111\u1ed9 cao hay kh\u00f4ng. C\u00e1c m\u1eabu th\u00eam ch\u1ea5t chu\u1ea9n, m\u1eabu tr\u00f9ng l\u1eb7p v\u00e0 v\u1eadt li\u1ec7u tham chi\u1ebfu c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1, nh\u01b0ng ch\u00fang n\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo quy tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ee9 kh\u00f4ng ph\u1ea3i sao ch\u00e9p t\u1eeb m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch th\u1ef1c ph\u1ea9m kh\u00f4ng li\u00ean quan.<\/p>\n

Quy tr\u00ecnh ki\u1ec3m tra ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m th\u1ef1c ph\u1ea9m c\u0169ng c\u1ea7n c\u00f3 s\u1ef1 ph\u00e2n chia h\u1ee3p l\u00fd gi\u1eefa ki\u1ec3m tra dinh d\u01b0\u1ee1ng v\u00e0 ki\u1ec3m tra an to\u00e0n. K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch kho\u00e1ng ch\u1ea5t d\u00f9ng \u0111\u1ec3 x\u00e1c minh nh\u00e3n m\u00e1c c\u00f3 th\u1ec3 c\u00f3 ph\u1ea1m vi hi\u1ec7u chu\u1ea9n v\u00e0 y\u00eau c\u1ea7u th\u1eddi gian ho\u00e0n th\u00e0nh kh\u00e1c v\u1edbi ph\u00e2n t\u00edch kim lo\u1ea1i v\u1ebft. Vi\u1ec7c k\u1ebft h\u1ee3p c\u1ea3 hai v\u00e0o m\u1ed9t quy tr\u00ecnh v\u1ed9i v\u00e0ng c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n l\u00e0m l\u1ea1i h\u01a1n l\u00e0 gi\u00e1 tr\u1ecb mang l\u1ea1i.<\/p>\n

\u0110\u1ed9 r\u00f5 n\u00e9t c\u1ee7a b\u1ea3n t\u00f3m t\u1eaft kh\u00f4ng ph\u1ea3i l\u00e0 b\u1eb1ng ch\u1ee9ng cho th\u1ea5y ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f3 ph\u00f9 h\u1ee3p.<\/b><\/strong><\/h3>\n

M\u1ed9t dung d\u1ecbch \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng v\u1eabn c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c hi\u1ec7u \u1ee9ng n\u1ec1n c\u00f2n s\u00f3t l\u1ea1i. Ng\u01b0\u1ee3c l\u1ea1i, vi\u1ec7c ph\u00e2n t\u00edch qu\u00e1 m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng r\u1ee7i ro khi thao t\u00e1c ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng thu h\u1ed3i. C\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00fang \u0111\u1eafn l\u00e0 ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb c\u00f9ng v\u1edbi b\u01b0\u1edbc ph\u00e1t hi\u1ec7n. So s\u00e1nh c\u00e1c m\u1eabu tr\u1eafng thu\u1ed1c th\u1eed, c\u00e1c m\u1eabu ki\u1ec3m tra ph\u00f9 h\u1ee3p v\u1edbi n\u1ec1n m\u1eabu (n\u1ebfu c\u00f3) v\u00e0 c\u00e1c m\u1eabu chu\u1ea9n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c. N\u1ebfu kh\u1ea3 n\u0103ng thu h\u1ed3i ho\u1eb7c \u0111\u1ed9 l\u1eb7p l\u1ea1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh, h\u00e3y d\u1eebng l\u1ea1i \u1edf b\u01b0\u1edbc chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5 l\u1ed7i cho m\u00e1y quang ph\u1ed5.<\/p>\n

\"ki\u1ec3m<\/p>\n

X\u00e2y d\u1ef1ng chu\u1ed7i ph\u00e2n t\u00edch AAS \u0111\u00e1ng tin c\u1eady<\/b><\/strong><\/h2>\n

M\u1ed9t quy tr\u00ecnh ch\u1ea1y th\u1eed \u0111\u00e1ng tin c\u1eady c\u1ea7n c\u00f3 tr\u00ecnh t\u1ef1 x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng: ki\u1ec3m tra m\u1eabu tr\u1eafng, chu\u1ea9n hi\u1ec7u chu\u1ea9n, x\u00e1c minh ban \u0111\u1ea7u, l\u1ea5y m\u1eabu, ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 c\u00e1c ti\u00eau ch\u00ed \u0111\u01b0\u1ee3c ghi ch\u00e9p l\u1ea1i \u0111\u1ec3 ch\u1ea5p nh\u1eadn ho\u1eb7c l\u00e0m l\u1ea1i. M\u00f4 h\u00ecnh \u0111\u00f3 quen thu\u1ed9c, nh\u01b0ng n\u00f3 quan tr\u1ecdng nh\u1ea5t khi ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ea7n ph\u1ea3i b\u1ea3o v\u1ec7 c\u00e1ch th\u1ee9c t\u1ea1o ra k\u1ebft qu\u1ea3 v\u00e0i ng\u00e0y sau \u0111\u00f3. M\u1ed7i ph\u00e9p t\u00ednh \u0111\u1ec1u ph\u1ea3i li\u00ean h\u1ec7 tr\u1edf l\u1ea1i v\u1edbi l\u00f4 chu\u1ea9n b\u1ecb m\u1eabu v\u00e0 \u0111i\u1ec1u ki\u1ec7n thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho l\u1ea7n ch\u1ea1y th\u1eed \u0111\u00f3.<\/p>\n

Hi\u1ec7u chu\u1ea9n v\u00e0 hi\u1ec7u ch\u1ec9nh n\u1ec1n<\/b><\/strong><\/h3>\n

Vi\u1ec7c hi\u1ec7u chu\u1ea9n c\u1ea7n bao tr\u00f9m ph\u1ea1m vi m\u1eabu d\u1ef1 ki\u1ebfn \u200b\u200bb\u1ea5t c\u1ee9 khi n\u00e0o ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh y\u00eau c\u1ea7u. \u0110\u1ed1i v\u1edbi c\u00e1c dung d\u1ecbch \u0111\u01b0\u1ee3c pha ch\u1ebf ph\u1ee9c t\u1ea1p, vi\u1ec7c hi\u1ec7u ch\u1ec9nh n\u1ec1n c\u00f3 th\u1ec3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p. M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed Zeeman A500<\/u><\/strong><\/a>\u00a0Thi\u1ebft b\u1ecb t\u00edch h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p nguy\u00ean t\u1eed h\u00f3a b\u1eb1ng ng\u1ecdn l\u1eeda v\u00e0 l\u00f2 nung than ch\u00ec, \u0111\u1ed3ng th\u1eddi s\u1eed d\u1ee5ng hi\u1ec7u ch\u1ec9nh n\u1ec1n Zeeman ph\u00e2n c\u1ef1c tr\u00ean to\u00e0n d\u1ea3i b\u01b0\u1edbc s\u00f3ng. T\u00ednh n\u0103ng ph\u1ea7n c\u1ee9ng n\u00e0y c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00f4ng vi\u1ec7c v\u1edbi ma tr\u1eadn ph\u1ee9c t\u1ea1p, nh\u01b0ng kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c nhu c\u1ea7u thi\u1ebft l\u1eadp h\u00e0nh vi hi\u1ec7u chu\u1ea9n, m\u1eabu tr\u1eafng v\u00e0 \u0111\u1ed9 thu h\u1ed3i v\u1edbi ma tr\u1eadn c\u00f4ng th\u1ee9c th\u1ef1c t\u1ebf.<\/p>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt A500 li\u1ec7t k\u00ea t\u1ef7 l\u1ec7 hi\u1ec7u ch\u1ec9nh n\u1ec1n tr\u00ean 150 l\u1ea7n \u1edf 1 Abs v\u00e0 tr\u00ean 100 l\u1ea7n \u1edf 2 Abs. Nh\u1eefng con s\u1ed1 n\u00e0y m\u00f4 t\u1ea3 n\u1ec1n t\u1ea3ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n ho\u1eb7c \u0111\u1ed9 thu h\u1ed3i \u0111\u01b0\u1ee3c cam k\u1ebft \u0111\u1ed1i v\u1edbi s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh. Ng\u01b0\u1eddi mua n\u00ean y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p tr\u00ecnh b\u00e0y c\u1ea5u h\u00ecnh \u0111\u1ec1 xu\u1ea5t v\u1edbi th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc ph\u00e2n t\u00edch \u0111i\u1ec3n h\u00ecnh v\u00e0 c\u00e1c ch\u1ea5t ph\u00e2n t\u00edch d\u1ef1 \u0111\u1ecbnh c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i th\u1ef1c s\u1ef1<\/b><\/strong><\/h3>\n

Ch\u1ec9 ri\u00eang m\u1eabu tr\u1eafng kh\u00f4ng th\u1ec3 ch\u1ee9ng minh \u0111\u01b0\u1ee3c ma tr\u1eadn c\u00f4ng th\u1ee9c \u0111ang ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong quy tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh: m\u1eabu tr\u1eafng chu\u1ea9n b\u1ecb, ki\u1ec3m tra hi\u1ec7u chu\u1ea9n, chu\u1ea9n b\u1ecb m\u1eabu tr\u00f9ng l\u1eb7p, m\u1eabu \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng v\u00e0 v\u1eadt li\u1ec7u tham chi\u1ebfu ph\u00f9 h\u1ee3p n\u1ebfu c\u00f3. Xem x\u00e9t k\u1ebft qu\u1ea3 ki\u1ec3m so\u00e1t tr\u01b0\u1edbc khi cho ph\u00e9p ph\u00e1t h\u00e0nh m\u1eabu. N\u1ebfu m\u1ed9t bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u, c\u1ea7n ph\u1ea3i gi\u1ea3i quy\u1ebft to\u00e0n b\u1ed9 chu\u1ed7i gi\u00e1m s\u00e1t, t\u1eeb kh\u00e2u c\u00e2n v\u00e0 ph\u00e2n h\u1ee7y \u0111\u1ebfn h\u00fat ho\u1eb7c ti\u00eam v\u00e0o l\u00f2 nung.<\/p>\n

L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf<\/b><\/strong><\/h2>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb c\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi th\u00e0nh ph\u1ea7n m\u1eabu c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m. Kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch b\u1eb1ng ng\u1ecdn l\u1eeda c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c ph\u00e2n t\u00edch nguy\u00ean t\u1ed1 th\u01b0\u1eddng quy \u1edf m\u1ee9c \u0111\u1ed9 cao h\u01a1n. Kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch b\u1eb1ng l\u00f2 nung than ch\u00ec tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n khi ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c ph\u00e2n t\u00edch kim lo\u1ea1i v\u1ebft \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p h\u01a1n ho\u1eb7c c\u1ea7n m\u1ed9t c\u1ea5u h\u00ecnh c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n c\u00e1c ma tr\u1eadn \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb ph\u1ee9c t\u1ea1p. M\u1ed9t n\u1ec1n t\u1ea3ng k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 khi c\u1ea3 hai c\u00f4ng vi\u1ec7c \u0111\u1ec1u l\u00e0 th\u1ef1c t\u1ebf v\u00e0 \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch th\u01b0\u1eddng xuy\u00ean, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e1c d\u1ef1 \u00e1n ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai.<\/p>\n

C\u00e1c c\u00e2u h\u1ecfi v\u1ec1 c\u1ea5u h\u00ecnh, an to\u00e0n v\u00e0 d\u1ecbch v\u1ee5<\/b><\/strong><\/h3>\n

H\u00e3y h\u1ecfi v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb bao g\u1ed3m \u0111\u00e8n chi\u1ebfu, b\u1ed9 phun s\u01b0\u01a1ng, ch\u1ebf \u0111\u1ed9 hi\u1ec7u ch\u1ec9nh n\u1ec1n, ph\u1ee5 ki\u1ec7n \u0111\u01b0a m\u1eabu, kh\u00ed, h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, h\u1ec7 th\u1ed1ng h\u00fat kh\u00ed v\u00e0 c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra l\u1eafp \u0111\u1eb7t. X\u00e1c nh\u1eadn kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 s\u1ef1 s\u1eb5n c\u00f3 c\u1ee7a v\u1eadt t\u01b0 ti\u00eau hao. L\u00f2 nung than ch\u00ec v\u00e0 ng\u1ecdn l\u1eeda A3AFG AAS<\/u><\/strong><\/a>\u00a0\u0110\u00e2y l\u00e0 m\u1ed9t c\u1ea5u h\u00ecnh kh\u00e1c \u0111\u1ec3 so s\u00e1nh khi ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ea7n c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p nguy\u00ean t\u1eed h\u00f3a. Ph\u1ea7n m\u1ec1m AA-Win \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong c\u1ea5u h\u00ecnh n\u00e0y \u0111i\u1ec1u khi\u1ec3n ph\u01b0\u01a1ng ph\u00e1p v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u, trong khi thi\u1ebft k\u1ebf k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh ng\u1ecdn l\u1eeda v\u00e0 l\u00f2 nung than ch\u00ec. Cu\u1ed9c th\u1ea3o lu\u1eadn v\u1edbi nh\u00e0 cung c\u1ea5p v\u1eabn n\u00ean g\u1eafn li\u1ec1n v\u1edbi danh s\u00e1ch ch\u1ea5t ph\u00e2n t\u00edch v\u00e0 k\u1ebf ho\u1ea1ch ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 so s\u00e1nh thi\u1ebft b\u1ecb chung chung.<\/p>\n

\u0110\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch mua s\u1eafm t\u1ed5ng th\u1ec3 h\u01a1n, d\u00f2ng s\u1ea3n ph\u1ea9m m\u00e1y quang ph\u1ed5 nguy\u00ean t\u1eed<\/u><\/strong><\/a>\u00a0Gi\u00fap \u0111\u1ed1i chi\u1ebfu c\u00e1c t\u00f9y ch\u1ecdn AAS v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u01a1 b\u1ea3n th\u01b0\u1eddng ng\u00e0y. \u0110\u01a1n \u0111\u1eb7t h\u00e0ng cu\u1ed1i c\u00f9ng c\u1ea7n n\u00eau r\u00f5 c\u00e1c ph\u1ee5 ki\u1ec7n c\u1ea7n thi\u1ebft, c\u00e1c b\u00e0i ki\u1ec3m tra nghi\u1ec7m thu, ph\u1ea1m vi \u0111\u00e0o t\u1ea1o, ph\u1ea3n h\u1ed3i d\u1ecbch v\u1ee5 v\u00e0 c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t.<\/p>\n

Nh\u1eefng g\u00ec AAS kh\u00f4ng th\u1ec3 t\u1ef1 m\u00ecnh bao g\u1ed3m<\/b><\/strong><\/h2>\n

AAS l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 ph\u00e2n t\u00edch m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng vi\u1ec7c ki\u1ec3m tra ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh r\u1ed9ng h\u01a1n so v\u1edbi ph\u00e2n t\u00edch nguy\u00ean t\u1ed1. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eafc k\u00fd ho\u1eb7c ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ea1t v\u1eadt l\u00fd v\u00e0 polyme \u0111\u00f2i h\u1ecfi m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng kh\u00e1c. Vi sinh v\u1eadt h\u1ecdc c\u00f3 logic l\u1ea5y m\u1eabu v\u00e0 \u1ee7 ri\u00eang. Vi\u1ec7c coi c\u00e1c lo\u1ea1i n\u00e0y l\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf cho nhau c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7 h\u1ed5ng trong k\u1ebf ho\u1ea1ch ki\u1ec3m tra ngay c\u1ea3 khi k\u1ebft qu\u1ea3 AAS \u0111\u00e1ng tin c\u1eady.<\/p>\n

M\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m \u0111ang ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c c\u1ee7a m\u00ecnh c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p vi\u1ec7c ki\u1ec3m tra nguy\u00ean t\u1ed1 v\u1edbi c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c ri\u00eang bi\u1ec7t ph\u00f9 h\u1ee3p. \u0110\u1ed1i v\u1edbi c\u00e1c nhi\u1ec7m v\u1ee5 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p th\u1ee5, th\u00ec... T8DCS UV-vis<\/u><\/strong><\/a>\u00a0Thi\u1ebft b\u1ecb n\u00e0y cung c\u1ea5p b\u0103ng th\u00f4ng quang ph\u1ed5 c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn t\u1eeb 0,1-5 nm v\u00e0 nhi\u1ec1u lo\u1ea1i gi\u00e1 \u0111\u1ee1 t\u1ebf b\u00e0o t\u00f9y ch\u1ecdn. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 thi\u1ebft b\u1ecb thay th\u1ebf cho AAS \u0111\u1ec3 ph\u00e2n t\u00edch kim lo\u1ea1i v\u1ebft, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 nhi\u1ec1u c\u00f4ng vi\u1ec7c \u0111o m\u00e0u ho\u1eb7c \u0111o quang ph\u1ed5 th\u00f4ng th\u01b0\u1eddng kh\u00e1c nhau trong c\u00f9ng m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m. PERSEE<\/u><\/strong><\/a>\u00a0Nh\u01b0 v\u1eady, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c c\u00f4ng c\u1ee5 b\u1ed5 sung cho nhau, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng duy nh\u1ea5t \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd gi\u1ea3i quy\u1ebft m\u1ecdi lo\u1ea1i b\u00e0i ki\u1ec3m tra.<\/p>\n

Danh s\u00e1ch ki\u1ec3m tra mua s\u1eafm th\u1ef1c t\u1ebf n\u0103m 2026<\/b><\/strong><\/h3>\n

Tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t vi\u1ec7c mua thi\u1ebft b\u1ecb AAS \u0111\u1ec3 ki\u1ec3m tra s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh, h\u00e3y ghi r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n ki\u1ec3m tra, ph\u1ea1m vi d\u1ef1 ki\u1ebfn, s\u1ed1 l\u01b0\u1ee3ng m\u1eabu m\u1ed7i ng\u00e0y, ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb m\u1eabu, chi\u1ebfn l\u01b0\u1ee3c m\u1eabu tr\u1eafng, ki\u1ec3m tra hi\u1ec7u chu\u1ea9n, th\u1ec3 t\u00edch m\u1eabu v\u00e0 ngh\u0129a v\u1ee5 b\u00e1o c\u00e1o. Y\u00eau c\u1ea7u tr\u00ecnh di\u1ec5n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t m\u1eabu ph\u00e2n t\u00edch \u0111\u1ea1i di\u1ec7n. L\u00e0m r\u00f5 c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0o v\u00e0 nh\u1eefng lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0o c\u1ea7n ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. C\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00f3 s\u1ebd l\u00e0m cho vi\u1ec7c mua s\u1eafm h\u1eefu \u00edch h\u01a1n so v\u1edbi vi\u1ec7c ch\u1ec9 l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean lo\u1ea1i \u0111\u1ea7u d\u00f2.<\/p>\n

Th\u00f4ng th\u01b0\u1eddng, h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p nh\u1ea5t l\u00e0 h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 t\u1ea1o ra d\u1eef li\u1ec7u nguy\u00ean t\u1ed1 \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng \u0111\u01b0\u1ee3c trong ph\u1ea1m vi kh\u1ea3 n\u0103ng chu\u1ea9n b\u1ecb th\u1ef1c t\u1ebf c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m. AAS ch\u1ee9ng t\u1ecf \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 khi ph\u01b0\u01a1ng ph\u00e1p, \u0111\u00e0o t\u1ea1o ng\u01b0\u1eddi v\u1eadn h\u00e0nh, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 h\u1ed7 tr\u1ee3 d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng xoay quanh m\u1ee5c ti\u00eau \u0111\u00f3. N\u00f3 n\u00ean l\u00e0 m\u1ed9t ph\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng trong ch\u01b0\u01a1ng tr\u00ecnh ki\u1ec3m tra s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh c\u00f3 t\u00ednh ph\u00e1p l\u00fd, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 to\u00e0n b\u1ed9 ch\u01b0\u01a1ng tr\u00ecnh theo m\u1eb7c \u0111\u1ecbnh.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><\/h2>\n

C\u00e2u 1: Li\u1ec7u AAS c\u00f3 th\u1ec3 ki\u1ec3m tra m\u1ecdi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh kh\u00f4ng?<\/strong><\/p>\n

A1: Kh\u00f4ng. AAS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o c\u00e1c nguy\u00ean t\u1ed1 ch\u1ecdn l\u1ecdc. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m h\u1eefu c\u01a1, vi sinh v\u1eadt v\u00e0 c\u00e1c h\u1ea1t v\u1eadt l\u00fd ho\u1eb7c polyme \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 k\u1ebf ho\u1ea1ch th\u1ea9m \u0111\u1ecbnh kh\u00e1c nhau.<\/p>\n

C\u00e2u 2: Lo\u1ea1i AAS ng\u1ecdn l\u1eeda hay AAS l\u00f2 nung than ch\u00ec t\u1ed1t h\u01a1n \u0111\u1ec3 ph\u00e2n t\u00edch s\u1eefa c\u00f4ng th\u1ee9c cho tr\u1ebb s\u01a1 sinh?<\/strong><\/p>\n

A2: \u0110i\u1ec1u \u0111\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 m\u1ee5c ti\u00eau, ph\u1ea1m vi b\u00e1o c\u00e1o y\u00eau c\u1ea7u, \u0111\u1eb7c t\u00ednh ma tr\u1eadn, th\u00f4ng l\u01b0\u1ee3ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c. M\u1ed9t n\u1ec1n t\u1ea3ng k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi ph\u00f2ng th\u00ed nghi\u1ec7m th\u1ef1c hi\u1ec7n c\u1ea3 c\u00e1c c\u00f4ng vi\u1ec7c ph\u00e2n t\u00edch nguy\u00ean t\u1ed1 th\u01b0\u1eddng quy v\u00e0 \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/p>\n

C\u00e2u 3: Th\u1eed nghi\u1ec7m nghi\u1ec7m thu nh\u00e0 cung c\u1ea5p c\u1ea7n bao g\u1ed3m nh\u1eefng g\u00ec?<\/strong><\/p>\n

A3: S\u1eed d\u1ee5ng c\u00e1c m\u1eabu chu\u1ea9n \u0111\u1ea1i di\u1ec7n ho\u1eb7c v\u1eadt li\u1ec7u tham chi\u1ebfu \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ed1ng nh\u1ea5t, sau \u0111\u00f3 ghi l\u1ea1i h\u00e0nh vi hi\u1ec7u chu\u1ea9n, m\u1eabu tr\u1eafng, \u0111\u1ed9 l\u1eb7p l\u1ea1i, hi\u1ec7u su\u1ea5t hi\u1ec7u ch\u1ec9nh n\u1ec1n, ph\u1ee5 ki\u1ec7n c\u1ea7n thi\u1ebft, \u0111\u00e0o t\u1ea1o v\u00e0 tr\u00e1ch nhi\u1ec7m d\u1ecbch v\u1ee5. Kh\u00f4ng coi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chung c\u1ee7a n\u1ec1n t\u1ea3ng l\u00e0 b\u1eb1ng ch\u1ee9ng v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Infant formula testing is not a single instrument purchase. The powder, water, mineral premix, processing equipment, packaging contact, and cleaning regime can each add a different question to the laboratory plan. A sensible contaminant program therefore separates elemental work from microbiology, organic residues, physical particles, and packaging studies. Atomic absorption spectrometry has a defined job […]<\/p>\n","protected":false},"author":1,"featured_media":5797,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-5789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-information","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/comments?post=5789"}],"version-history":[{"count":5,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5789\/revisions"}],"predecessor-version":[{"id":5801,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5789\/revisions\/5801"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/5797"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=5789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=5789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=5789"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}