{"id":3408,"date":"2025-03-04T11:50:01","date_gmt":"2025-03-04T03:50:01","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3408"},"modified":"2025-03-26T09:36:19","modified_gmt":"2025-03-26T01:36:19","slug":"aas-unheard-atomic-absorption-spectrophotomatry-is-the-right-tool-for-your-laboratory","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/industry-information\/aas-unheard-atomic-absorption-spectrophotomatry-is-the-right-tool-for-your-laboratory\/","title":{"rendered":"AAS ch\u01b0a t\u1eebng nghe: Ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00e0 c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p cho ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n?"},"content":{"rendered":"
B\u1ea1n c\u00f3 mu\u1ed1n bi\u1ebft li\u1ec7u quang ph\u1ed5 h\u1ea5p th\u1ee5 h\u1ea1t nh\u00e2n c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c v\u1edbi nhu c\u1ea7u nghi\u00ean c\u1ee9u trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n kh\u00f4ng?<\/p>\n
AAS c\u00f3 m\u1ed9t k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch r\u1ea5t to\u00e0n di\u1ec7n trong m\u1ed9t lo\u1ea1t c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n
Ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed (ho\u1eb7c AAS)<\/u><\/a>\u00a0l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c m\u1eabu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed trong m\u1eabu b\u1eb1ng c\u00e1ch \u0111o m\u1ee9c \u0111\u1ed9 h\u1ea5p th\u1ee5 c\u1ee7a \u00e1nh s\u00e1ng.<\/p>\n Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a AAS li\u00ean quan \u0111\u1ebfn m\u1ed9t s\u1ed1 b\u01b0\u1edbc:<\/p>\n AAS c\u00f3 m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t k\u1ef9 thu\u1eadt mong mu\u1ed1n \u0111\u1ec3 ph\u00e2n t\u00edch nguy\u00ean t\u1ed1.<\/p>\n \u0110\u01b0\u1ee3c bi\u1ebft l\u00e0 x\u1eed l\u00fd m\u1ed9t lo\u1ea1t c\u00e1c m\u1eabu m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 nhanh ch\u00f3ng ph\u00e2n t\u00edch ch\u00fang trong m\u1ed9t th\u1eddi gian kh\u00e1 ng\u1eafn AAS l\u00e0 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 v\u1eadn h\u00e0nh.<\/p>\n So v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch kh\u00e1c \u1edf n\u01a1i kh\u00e1c, AAS l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n \u0110\u1ed9 ch\u00ednh x\u00e1c l\u00e0 m\u1ed9t t\u00ednh n\u0103ng c\u1ee7a c\u00e1c ph\u00e9p \u0111o AAS v\u00ec n\u00f3 cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi m\u1ee5c \u0111\u00edch ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng.<\/p>\n M\u1eb7c d\u00f9 AAS c\u00f3 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng n\u00f3 c\u0169ng s\u1edf h\u1eefu nh\u1eefng h\u1ea1n ch\u1ebf m\u00e0 b\u1ea1n ph\u1ea3i t\u00ednh \u0111\u1ebfn.<\/p>\n Ph\u00e2n t\u00edch c\u00e1c m\u1eabu tr\u00ean AAS b\u1ecb gi\u1edbi h\u1ea1n trong c\u00e1c m\u1eabu;<\/p>\n AAS \u00edt nh\u1ea1y c\u1ea3m h\u01a1n GFAAs.<\/p>\n AAS th\u01b0\u1eddng y\u00eau c\u1ea7u m\u1ed9t l\u01b0\u1ee3ng l\u1edbn m\u1eabu (kho\u1ea3ng 2 mL) c\u00f3 th\u1ec3 kh\u00f4ng l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 k\u00edch th\u01b0\u1edbc m\u1eabu nh\u1ecf.<\/p>\n C\u00e1c y\u1ebfu t\u1ed1 ch\u1ecbu l\u1eeda, nh\u1eefng y\u1ebfu t\u1ed1 mang l\u1ea1i c\u00e1c oxit \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 kh\u00f3 x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng AAS.<\/p>\n Quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 than ch\u00ec (AAS) ho\u1eb7c GFAAs l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e2n t\u00edch h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed.<\/p>\n Alhoewel dit Voordelig \u0111ang \u1edf Sekere Opsigte het gfaas ook \u2018n paar nadele.<\/p>\n AAS c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p trong m\u1ed9t lo\u1ea1t c\u00e1c \u1ee9ng d\u1ee5ng.<\/p>\n C\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m v\u00e0 kim lo\u1ea1i n\u1eb7ng trong c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng th\u00f4ng qua AAS.<\/p>\n M\u1ed9t trong nh\u1eefng m\u1ee5c ti\u00eau trong vi\u1ec7c \u00e1p d\u1ee5ng AAS l\u00e0 cung c\u1ea5p an to\u00e0n th\u1ef1c ph\u1ea9m, \u0111o l\u01b0\u1eddng h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 trong th\u1ef1c ph\u1ea9m.<\/p>\n Trong ph\u00e2n t\u00edch, AAS \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 thi\u1ebft l\u1eadp th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n Khi quy\u1ebft \u0111\u1ecbnh li\u1ec7u vi\u1ec7c s\u1eed d\u1ee5ng AAS c\u00f3 ph\u00f9 h\u1ee3p trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n hay kh\u00f4ng, c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh sau \u0111\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng.<\/p>\n C\u00e2n nh\u1eafc l\u1ef1a ch\u1ecdn AAS<\/p>\n Y\u00eau c\u1ea7u th\u00f4ng l\u01b0\u1ee3ng: B\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u00e2n t\u00edch s\u1ed1 l\u01b0\u1ee3ng m\u1eabu cao \u1edf t\u1ed1c \u0111\u1ed9 cao kh\u00f4ng?<\/p>\n Ch\u1ecdn GFAAs qua AAS khi:<\/p>\n C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 h\u1ec7 th\u1ed1ng c\u00f4ng ngh\u1ec7 AAS nh\u01b0 PERSEE<\/u><\/a>\u00a0\u0111ang \u0111i \u0111\u1ea7u trong nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n. m<\/u>tr\u1ee9ng<\/u>\u00a0S<\/u>\u0110i\u1ec7n t\u1eed<\/u><\/a>, M\u00e1y quang ph\u1ed5 nguy\u00ean t\u1eed,\u00a0c<\/u>Hromatography<\/u><\/a>,\u00a0D\u1ee5ng c\u1ee5 X-quang<\/u><\/a>\u00a0V\u00e0 l<\/u>C\u00f4ng c\u1ee5 tho\u00e1i v\u1ecb<\/u><\/a>.<\/p>\n C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><\/p>\n A: AAS ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1eabu ch\u1ea5t l\u1ecfng.<\/p>\n Tr\u1ea3 l\u1eddi: AAS r\u1ebb h\u01a1n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n ICP-MS nh\u01b0ng \u00edt nh\u1ea1y c\u1ea3m h\u01a1n v\u00e0 gi\u1edbi h\u1ea1n trong ph\u00e2n t\u00edch m\u1ed9t ph\u1ea7n t\u1eed.<\/p>\n Tr\u1ea3 l\u1eddi: AAS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t r\u1ed9ng r\u00e3i trong gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, an to\u00e0n th\u1ef1c ph\u1ea9m, ph\u00e2n t\u00edch d\u01b0\u1ee3c ph\u1ea9m v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c \u0111\u1ec3 ph\u00e2n t\u00edch nguy\u00ean t\u1ed1 \u0111\u1ecbnh l\u01b0\u1ee3ng.<\/p>\n
<\/p>\nNguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a AAS<\/b><\/strong><\/h3>\n
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<\/p>\n\u01afu \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed<\/b><\/strong><\/h2>\n
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Th\u00f4ng l\u01b0\u1ee3ng m\u1eabu cao v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng<\/b><\/strong><\/h3>\n
Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/b><\/strong><\/h3>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c cao<\/b><\/strong><\/h3>\n
H\u1ea1n ch\u1ebf c\u1ee7a ph\u00e9p \u0111o quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed<\/b><\/strong><\/h2>\n
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C\u00e1c lo\u1ea1i m\u1eabu h\u1ea1n ch\u1ebf<\/b><\/strong><\/h3>\n
\u00cdt nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi l\u00f2 than than AAS (GFAAS)<\/b><\/strong><\/h3>\n
S\u1ed1 l\u01b0\u1ee3ng m\u1eabu t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn c\u1ea7n thi\u1ebft<\/b><\/strong><\/h3>\n
C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 ch\u1ecbu l\u1eeda<\/b><\/strong><\/h3>\n
L\u00f2 than ch\u00ec AAS (GFAA) so v\u1edbi AAS<\/b><\/strong><\/h2>\n
\u01afu \u0111i\u1ec3m c\u1ee7a GFAAs so v\u1edbi AAS<\/b><\/strong><\/h3>\n
So v\u1edbi AAS GFAAs c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch kh\u00e1c nhau.<\/h3>\n
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Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a GFAAs<\/b><\/strong><\/h3>\n
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\u1ee8ng d\u1ee5ng c\u1ee7a AAS<\/b><\/strong><\/h2>\n
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Gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng<\/b><\/strong><\/h3>\n
An to\u00e0n th\u1ef1c ph\u1ea9m<\/b><\/strong><\/h3>\n
Ph\u00e2n t\u00edch d\u01b0\u1ee3c ph\u1ea9m<\/b><\/strong><\/h3>\n
AAS c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n kh\u00f4ng?<\/b><\/strong><\/h2>\n
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Khi n\u00e0o n\u00ean ch\u1ecdn GFAAs qua AAS<\/b><\/strong><\/h2>\n
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PERSEE: \u0110\u1ed1i t\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch c\u1ee7a b\u1ea1n<\/b><\/strong><\/h2>\n
Q: <\/b><\/strong>Nh\u1eefng lo\u1ea1i m\u1eabu n\u00e0o AAS c\u00f3 th\u1ec3 ph\u00e2n t\u00edch?<\/b><\/strong><\/h3>\n
Q: <\/b><\/strong>AAS kh\u00e1c v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c nh\u01b0 ICP-MS nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/strong><\/h3>\n
Q: C\u00e1ch s\u1eed d\u1ee5ng ch\u00ednh c\u1ee7a AAS l\u00e0 g\u00ec?<\/b><\/strong><\/h3>\n
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