{"id":3888,"date":"2025-09-04T10:08:05","date_gmt":"2025-09-04T02:08:05","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3888"},"modified":"2025-09-04T10:08:05","modified_gmt":"2025-09-04T02:08:05","slug":"determination-of-potassium-in-sweet-potato-products-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/ko\/applications\/determination-of-potassium-in-sweet-potato-products-flame-atomic-absorption-spectrometry","title":{"rendered":"\uac10\uc790 \uc81c\ud488\uc5d0\uc11c \uce7c\uac10\uc758 \uacb0\uc815 (\ud654\uc5fc \uc6d0\uc790 \ud761\uc218 \ubd84\uad11\uacc4)"},"content":{"rendered":"

1. \ubc29\ubc95 \uac1c\uc694<\/h2>\n
\uc0d8\ud50c\uc774 \uc18c\ud654\ub41c \ud6c4, \uc6d0\uc790 \ud761\uc218 \ubd84\uad11\uacc4\uc758 \ubd88\uaf43\uc5d0 \uc758\ud574 \uc6d0\uc790\ud654\ub418\uace0, \ud761\uc218\ub7c9\uc740 766.5 nm\uc758 \ud30c\uc7a5\uc5d0\uc11c \uce21\uc815\ub429\ub2c8\ub2e4.\ud2b9\uc815 \ub18d\ub3c4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ud761\uc218 \uac12\uc740 \uce7c\ud2b9\ud2b9\uc815 \uce7c\ud2b9\ud2b9\uc815 \ub18d\ub3c4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \uce7c\ub968 \ud568\ub7c9\uc5d0 \ube44\ub840\ud558\uba70, \uc815\ub7c9\ud654\ub294 \ud45c\uc900 \uc2dc\ub9ac\uc988\uc640 \ube44\uad50\ud558\uc5ec \uc218\ud589\ub429\ub2c8\ub2e4.<\/div>\n
\n

2. \uae30\uae30 \ubc0f \uc2dc\uc57d<\/h2>\n

2.1 \uae30\uae30 \ubc0f \uc7a5\ube44<\/h3>\n

2.1.1 \uc2dc\ud5d8 \uae30\uae30<\/h4>\n
\n
\n\n\n\n\n\n\n\n
\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n\uc774\ub984<\/th>\n\uc218\ub7c9<\/th>\n\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n\ubd80\uc18d\ud488<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n\ubd88\uaf43 \uc6d0\uc790 \ud761\uc218 \ubd84\uad11\uad11\uacc4\ub294<\/td>\n1 \uc138\ud2b8<\/td>\n–<\/td>\n\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c<\/td>\n<\/tr>\n
2<\/td>\n\uacf5\uae30 \uc555\ucd95\uae30<\/td>\n1 \uc138\ud2b8<\/td>\n\uc815\uaca9 \ubc29\uc804 \uc555\ub825: 0.3 MPa<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\n\uc544\uc138\ud2f8\ub80c \uac00\uc2a4<\/td>\n1 \uc2e4\ub9b0\ub354<\/td>\n\uc21c\uc218\uc131 \u2265 99.99%<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.1.2 \uc0d8\ud50c \uc0ac\uc804 \ucc98\ub9ac \uc7a5\ube44<\/h4>\n
\n
\n\n\n\n\n\n\n\n\n\n\n
\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n\uc774\ub984<\/th>\n\uc218\ub7c9<\/th>\n\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n\ubd80\uc18d\ud488<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nMicropipette\ub294<\/td>\n\uac01\uac01 1\uac1c<\/td>\n\ubc94\uc704: 100 \u00b5L~1000 \u00b5L, 1000 \u00b5L~5000 \u00b5L, 5~50 \u00b5L<\/td>\n–<\/td>\n<\/tr>\n
2<\/td>\nColorimetric \uad00<\/td>\n\uc5ec\ub7ec<\/td>\n\uc591: 10 mL, 25 mL<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\n\uc870\uc815\uac00\ub2a5\ud55c \ub728\uac70\uc6b4 \ud310<\/td>\n1 \uc138\ud2b8<\/td>\n\uc815\uaca9 \uc628\ub3c4: \uac1d\uc2e4 \uc628\ub3c4 ~ 300\u2103<\/td>\n–<\/td>\n<\/tr>\n
4<\/td>\n\ubcfc\ub968 \ud50c\ub798\uc2a4\ud06c<\/td>\n\uc5ec\ub7ec<\/td>\n\uc591: 100 mL, 1000 mL<\/td>\n–<\/td>\n<\/tr>\n
5<\/td>\n\ubd84\uc11d\uc801 \uade0\ud615<\/td>\n1 \uc138\ud2b8<\/td>\n\uac10\ub3c4: 0.1 mg<\/td>\n–<\/td>\n<\/tr>\n
6<\/td>\nErlenmeyer \ud50c\ub77c\uc2a4\ud06c<\/td>\n\uc5ec\ub7ec<\/td>\n\uc591: 150 ml<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2.2 \uc2dc\uc57d<\/h3>\n

2.2.1 \uc6d0\ub8cc<\/h4>\n
\n
\n\n\n\n\n\n
\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n\uc774\ub984<\/th>\n\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n\ubc1c\uc5b8<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n\uc9c8\uc18c\uc0b0<\/td>\nMOS \uae09\ub8cc<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.2.2 \uc900\ube44\ub41c \uc2dc\uc57d<\/h4>\n
\n
\n\n\n\n\n\n
\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n\uc774\ub984<\/th>\n\uc900\ube44 \ubc29\ubc95<\/th>\n\ubc1c\uc5b8<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n\uc9c8\uc18c\uc0b0 \uc194\ub8e8\uc158 (5 95)<\/td>\n50 mL\uc758 \uc9c8\uc18c\uc0b0\uc744 \uce21\uc815\ud558\uace0 950 mL\uc758 \ubb3c\uacfc \uade0\ud615\uc801\uc73c\ub85c \ud63c\ud569\ud569\ub2c8\ub2e4.<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.3 \ucc38\uc870 \ud45c\uc900<\/h3>\n

2.3.1 \uc8fc\uc2dd \uc194\ub8e8\uc158<\/h4>\n
\n
\n\n\n\n\n\n
\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n\uc544\ub2c8\uc57c<\/th>\n\uc774\ub984<\/th>\n\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n\ubc1c\uc5b8<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nGBW (E) 080125<\/td>\n\uce7c\ub968 \ub2e8\uc77c \uc694\uc18c \ud45c\uc900 \uc194\ub8e8\uc158<\/td>\n\ub18d\ub3c4: 1000 \u03bcg\/mL<\/td>\nNational Institute of Metrology, \uc911\uad6d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

3. \uc6b4\uc601 \uc808\ucc28<\/h2>\n

3.1 \ud45c\ubcf8 \uc900\ube44<\/h3>\n

3.1.1 \ud14c\uc2a4\ud2b8 \uc194\ub8e8\uc158 \uc900\ube44<\/h4>\n
Erlenmeyer \ud50c\ub798\uc2a4\ud06c\uc5d0 \uc0d8\ud50c\uc758 1~2 g (\uc815\ubc00\ub3c4\ub294 0.001 g)\uc744 \uc815\ud655\ud558\uac8c \ubb34\uac8c\ud558\uace0, \uc9c8\uc18c\uc0b0\uc758 10 mL\uc744 \ucd94\uac00\ud558\uace0, \ub728\uac70\uc6b4 \ud310\uc5d0 \uc18c\ud654\ud569\ub2c8\ub2e4 (\ucc38\uc870 \uc870\uac74: 80\u2103\/1 h, 120\u2103\/1 h, 140\u2103\/2 h, 160\u2103\/2 h, 180\u2103\ub85c \uc628\ub3c4\ub97c \ub192\uc774\uc2ed\uc2dc\uc624).\uc194\ub8e8\uc158\uc774 \uac08\uc0c9\uc73c\ub85c \ubcc0\uacbd\ub418\uba74 \uc9c8\uc18c\uc0b0\uc744 \ub354 \ucd94\uac00\ud558\uace0 \ubc31\uc0c9 \uc5f0\uae30\uac00 \ubc29\ucd9c\ub420 \ub54c\uae4c\uc9c0 \uc18c\ud654\ub97c \uacc4\uc18d\ud558\uc2ed\uc2dc\uc624.\uc194\ub8e8\uc158\uc774 \ubb34\uc0c9\uc774\uace0 \ud22c\uba85\ud558\uac70\ub098 \uc57d\uac04 \ub178\ub780\uc0c9\uc774 \ub420 \ub54c, \ub0c9\uac01\ud558\uace0 10 mL \uc0c9\uc0c1 \uce21\uc815 \ud29c\ube0c\uc5d0\uc11c \ubb3c\ub85c \ud45c\uc2dc\uae4c\uc9c0 \ud76c\uc11d\ud558\uc2ed\uc2dc\uc624.\ub3d9\uc2dc\uc5d0 \uc2dc\uc57d \uacf5\ubc31\uc744 \uc900\ube44\ud558\uc2ed\uc2dc\uc624.<\/div>\n

3.1.2 \ud45c\uc900 \uc194\ub8e8\uc158 \uc900\ube44<\/h4>\n
    \n
  1. \n
    \uce7c\ub968 \ud45c\uc900 \uc911\uac04 \uc6a9\uc561 (10 \u03bcg\/mL) \uc900\ube44:
    100 mL \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 1 mL\uc758 \uce7c\ub968 \uad6d\uac00 \ud45c\uc900 \uc6a9\uc561\uc744 \uc815\ud655\ud558\uac8c \ud53c\uc815\uc815\uc73c\ub85c \ud53c100 100 100 100 mL \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 \ud53c\uc815\uc815\uc815\ud655\ud558\uac8c \ud53c\uc815\uc815\uc815\ud655\ud558\uac8c \ud53c100 100 100 \ud45c\uc900 \ud45c\uc900 \uc911\uac04 \uc6a9\uc561 (10 \u03bcg\/mL) \ud45c\uc900 \uc911\uac04 \uc6a9\uc561 (10 \u03bcg\/mL)\uc744 \ub9c8\ud06c<\/div>\n<\/li>\n
  2. \n
    \uce7c\ub968 \ud45c\uc900 \uc2dc\ub9ac\uc988\uc758 \uc900\ube44:
    \uc815\ud655\ud558\uac8c 0.0, 1.0, 2.0, 3.0 \ubc0f 4.0 mL\uc758 \uce7c\ub968 \ud45c\uc900 \uc911\uac04 \uc194\ub8e8\uc158 (10 \u03bcg\/mL)\uc744 \uac01\uac01 \ubcc4\ub3c4\uc758 100 mL \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\ub85c \ud53c\ubd84\ubd84\ubd84\ubd84\ud569\ub2c8\ub2e4.\ud45c\uc2dc\uc5d0 \uc9c8\uc18c\uc0b0 \uc6a9\uc561 (5 95)\uc744 \ucd94\uac00\ud558\uc5ec 0.0, 0.1, 0.2, 0.3 \ubc0f 0.4 \u03bcg\/mL\uc758 \ub18d\ub3c4\uc758 \uce7c0 0 \ud45c\uc900 \uc2dc\ub9ac\uc988\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/div>\n<\/li>\n<\/ol>\n

    3.2 \ud45c\ubcf8 \uc2dc\ud5d8<\/h3>\n
      \n
    1. \n
      \ud14c\uc2a4\ud2b8 \uc870\uac74 \ubd88\uaf43 \uc6d0\uc790 \ud761\uc218 \ubd84\uad11\uacc4\uc758 \ucc38\uc870 \ud14c\uc2a4\ud2b8 \uc870\uac74: | \ub9e4\uac1c \ubcc0\uc218 | \uc0ac\uc591 | | \ud30c\uc7a5 | 766.5 nm | | \ubd84\uad11 \ub300\uc5ed\ud3ed | 0.2 nm | | \uc6d0\uc18c \ub7a8\ud504 \uc804\ub958 | 2.0 mA | | \ubc84\ub108 \ub192\uc774 | 5 mm | | \uc5f0\ub8cc \uac00\uc2a4 \uc720\ub7c9 | 1500 mL\/min | | \uacf5\uae30 \uc555\ucd95\uae30 \uc555\ub825 | 0.22 MPa |<\/div>\n<\/li>\n
    2. \n
      \uc0d8\ud50c \ud14c\uc2a4\ud2b8 \uc0d8\uc0d8\uc0d8\ud50c \ud14c\uc2a4\ud2b8 \uc0d8\uc0d8\uc0d8\ud50c \ud14c\uc2a4\ud2b8 \uc0d8\uc0d8\uc0d8\ud50c \ud14c\uc2a4\ud2b8 \uc0d8\uc0d8\uc0d8\ud50c \uc2dc\ub9ac\uc988 \uc194\ub8e8\uc158\uc744 \ub18d\ub3c4\uc758 \uc0c1\uc2b9 \uc21c\uc11c\ub85c \uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\ud50c\ub808\uc784 \ud45c\uc900 \uc2dc\ud45c\uc900 \uc2dc\ub9ac\uc988 \uc194\ub8e8\uc158\uc758 \uce7c\ud45c\ud45c\ud45c\ud45c\uc900 \uc194\ub8e8\uc158\uc758 \uce7c\ud45c\uc900\ud45c \ud45c\ud45c\uc900 \ud45c\ud45c\uc900 \ud45c\uc900 \uc2dc\ub9ac\uc988 \uc194\ub8e8\uc158\uc758 \uce7c\ud45c\ud45c\ud45c\uc900 \ud45c\ud45c\uc900 \ud45c\uc900 \ud45c\uc900 \ud45c\uc900 \ud45c\uc900 \ud45c\uc900 \uc194\ub8e8\uc158\uc758 \uce7c\ud45c<\/div>\n<\/li>\n<\/ol>\n

       <\/p>\n

      \ud45c\uc900 \uc194\ub8e8\uc158\uc744 \uacb0\uc815\ud558\ub294 \uac83\uacfc \ub3d9\uc77c\ud55c \uc2e4\ud5d8 \uc870\uac74\uc5d0\uc11c, \ube48 \uc194\ub8e8\uc158\uacfc \uc0d8\ud50c \ud14c\uc2a4\ud2b8 \uc194\ub8e8\uc158\uc744 \uac01\uac01 \uc6d0\uc790\uc81c\ub85c \uc18c\uc785\ud558\uace0, \ud574\ub2f9 \ud761\uc218 \uac12\uc744 \uce21\uc815\ud558\uace0 \ud45c\uc900 \uc2dc\ub9ac\uc988\uc640 \ube44\uad50\ud558\uc5ec \uc591\ud654\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/div>\n

      3.3 \uacb0\uacfc \uacc4\uc0b0<\/h3>\n
      \uc0d8\ud50c\uc758 \uce7c\ub968 \ud568\ub7c9\uc740 \ub2e4\uc74c \uc218\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/div>\n

      \"\"<\/p>\n

      \uc5b4\ub514:<\/div>\n
        \n
      • X<\/span>\u00a0= \uc0d8\ud50c\uc758 \uce7c\ub968 \ud568\ub7c9, \ub2e8\uc704: \ud0ac\ub85c\uadf8\ub7a8\ub2f9 \ubc00\ub9ac\uadf8\ub7a8 (mg\/kg);<\/li>\n
      • (rho)<\/span>\u00a0= \uc0d8\ud50c \ud14c\uc2a4\ud2b8 \uc194\ub8e8\uc158\uc758 \uce7c\ud45c\ud45c\uc5c4 \uc9c8\ub7c9 \ub18d\ub3c4, \ub2e8\uc704: \ubc00\ub9ac\ub9ac\ud130 \ub2f9 \ub9c8\uc774\ud06c\ub85c\uadf8\ub7a8 (\u03bcg\/mL);<\/li>\n
      • (rho_{0})<\/span>\u00a0= \ube48 \uc6a9\uc561\uc758 \uce7c\uacf5 \uc9c8\ub7c9 \ub18d\ub3c4, \ub2e8\uc704: \ubc00\ub9ac\ub9ac\ud130 \ub2f9 \ub9c8\uc774\ud06c\ub85c\uadf8\ub7a8 (\u03bcg\/mL);<\/li>\n
      • V<\/span>\u00a0= \uc77c\uc815\ud55c \uc591 \ud6c4 \uc18c\ud654\ub41c \uc0d8\ud50c \uc6a9\uc561\uc758 \uc591, \ub2e8\uc704: \ubc00\ub9ac\ub9ac\ud130 (mL);<\/li>\n
      • \uc5d0\ud504<\/span>\u00a0= \uc18c\ud654\ub41c \uc0d8\ud50c \uc194\ub8e8\uc158\uc758 \ud76c\uc11d \uc694\uc18c;<\/li>\n
      • \uc911<\/span>\u00a0= \uc0d8\ud50c\uc758 \uc9c8\ub7c9, \ub2e8\uc704: \uadf8\ub7a8 (g).<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

        1. Method Overview After the sample is digested, it is atomized by the flame of an atomic absorption spectrometer, and the absorbance is measured at a wavelength of 766.5 nm. Within a certain concentration range, the absorbance value is proportional to the potassium content, and quantification is performed by comparison with a standard series. 2. […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,73],"tags":[],"class_list":["post-3888","post","type-post","status-publish","format-standard","hentry","category-applications","category-food-and-drugs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts\/3888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/comments?post=3888"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts\/3888\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/media?parent=3888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/categories?post=3888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/tags?post=3888"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}