{"id":3909,"date":"2025-09-09T11:09:12","date_gmt":"2025-09-09T03:09:12","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3909"},"modified":"2025-09-09T11:09:12","modified_gmt":"2025-09-09T03:09:12","slug":"determination-of-total-selenium-in-satsuma-mandarin-hydride-generation-atomic-fluorescence-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/ko\/applications\/determination-of-total-selenium-in-satsuma-mandarin-hydride-generation-atomic-fluorescence-spectrometry","title":{"rendered":"Satsuma Mandarin\uc5d0\uc11c \ucd1d \uc140\ub808\ub284\uc758 \uacb0\uc815 (Hydride Generation Atomic Fluorescence Spectrometry)"},"content":{"rendered":"

1. \ubc29\ubc95 \uac1c\uc694<\/h2>\n
\uc0b0\uc73c\ub85c \uac00\uc5f4\ud568\uc73c\ub85c\uc368 \uc0d8\ud50c\uc744 \uc18c\ud654\ud55c \ud6c4, \uc0d8\ud50c\uc5d0 \uc788\ub294 6\uac00\uce58 \uc140\uc0d8\uc0d8\uc0d8\ud50c\uc740 6mol\/L \uc5fc\uc0b0 \ub9e4\uccb4\uc5d0\uc11c 4\uac00\uce58 \uc140\uc0d8\uc0d8\uc0d8\uc73c\ub85c \uac10\uc18c\ub429\ub2c8\ub2e4.\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\ub9ac\uc6c0 \ubcf4\ub85c\ud558\uc774\ub4dc\ub77c\uc774\ub4dc\ub77c\uc774\ub4dc\ub294 \uce7c\uc740 \uc0b0\uc0b0\uc0b0 \uc0b0 \ub9e4\uccb4\uccb4\uc911\uac04\uccb4\uacc4\uc5d0\uc11c \ub124\ud2b8\ub9ac\uce7c\uc0b0\uc0b0\uc0b0 \uc911\uc5d0\uc11c \ub124\ud2b8\uc5d0\uc11c \ub124\ud2b8\uc5d0\uc11c \ub124\ud2b8\uc0b0\uc0b0\uc0b0\uc0b0 \uc911\uccb4\uccb4\uc5d0\uc11c \ub124\ud2b8\uc140\ub808\ub098\uc774\ub4dc \uc218\uc18c\ub294 \uc6d0\uc790\ud654\ub97c \uc704\ud574 \uce90\ub9ac\uc5b4 \uac00\uc2a4 (\uc544\ub974\uace4) \uc5d0 \uc758\ud574 \uc6d0\uc790\ud654\uae30\ub85c \uc774\ub3d9\ub429\ub2c8\ub2e4.\uc140\uc140\uc140\uc140\uc140\ub808\uc140\uc140\ub808\uc140\uc140\ub808\uc140\uc140\uc140\ub808\uc140\uc140\uc140\ub808\uc140\uc140\uc140\uc140\uc140\uc140\uc140\uc140 \uc140 \uc140\uc140\uc140\uc140\uc140\uc140\uc140\uc140\uc140\ube44\ud65c\uc131\ud654\ub418\uace0 \uc9c0\uc0c1 \uc0c1\ud0dc\ub85c \ub3cc\uc544\uac00\uba74 \ud2b9\uc9d5\uc801\uc778 \ud30c\uc7a5\uc73c\ub85c \ud615\uad11\uc744 \ubc29\ucd9c\ud569\ub2c8\ub2e4.\ud615\uad11 \uac15\ub3c4\ub294 \uc140\ub80c \ud568\ub7c9\uc5d0 \ube44\ub840\ud558\uba70, \uc591\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
\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\uc6d0\uc790 \ud615\uad11 \ubd84\uad11\uad11\uacc4<\/td>\n1 \uc138\ud2b8<\/td>\n–<\/td>\n\uc140\ub808\uc140\ub808\uc140\uc140\ub808\uc140\uc140\ub808\uc140\uc140\ub808\uc140\uc140\uc140\ub808\uc140\uc140\ub808\uc140\uc140\uc140\uc140\uc140\uc140\uc140<\/td>\n<\/tr>\n
2<\/td>\n\uc544\ub974\uace4 \uac00\uc2a4<\/td>\n1 \uc2e4\ub9b0\ub354<\/td>\n\uc21c\uc218\uc131 \u2265 99.999%<\/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
\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\uc804\uc790 \uade0\ud615<\/td>\n1 \uc138\ud2b8<\/td>\n\uac10\ub3c4: 1 mg<\/td>\n–<\/td>\n<\/tr>\n
2<\/td>\n\ub9c8\uc774\ud06c\ub85c\uc6e8\uc774\ube0c \uc18c\ud654 \uc2dc\uc2a4\ud15c<\/td>\n1 \uc138\ud2b8<\/td>\n–<\/td>\n\ud3f4\ub9ac\ud14c\ud2b8\ub77c\ud50c\ub8e8\uc624\uc5d0\ud2f8\ub80c (PTFE) \uc18c\ud654 \ub0b4\ubd80 \uc18c\uc18c\uc18c\uc18c\uc18c\ud654\uc0b0 \uc6b4\uc804 \uc7a5\uce58<\/td>\n<\/tr>\n
3<\/td>\n\uc870\uc815\uac00\ub2a5\ud55c \ub728\uac70\uc6b4 \ud310<\/td>\n1 \uc138\ud2b8<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
4<\/td>\nMicropipette\ub294<\/td>\n\uac01\uac01 1 \uac1c (100 \u03bcL ~ 1000 \u03bcL, 1000 \u03bcL ~ 5000 \u03bcL)<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
5<\/td>\nColorimetric \uad00<\/td>\n\uc5ec\ub7ec (10 ml)<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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

2.2.1 \uc6d0\ub8cc<\/h4>\n
\n
\n\n\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>\n\ubcf4\uc7a5 \uc2dc\uc57d (GR)<\/td>\n–<\/td>\n<\/tr>\n
2<\/td>\n\uacfc\uc0b0\ud654\uc218\uc18c<\/td>\n\ubcf4\uc7a5 \uc2dc\uc57d (GR)<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\n\uc5fc\uc0b0<\/td>\n\ubcf4\uc7a5 \uc2dc\uc57d (GR)<\/td>\n–<\/td>\n<\/tr>\n
4<\/td>\n\uc218\uc0b0\ud654 \uce7c\uc0b0<\/td>\n\ubd84\uc11d\uc6a9 \uc2dc\uc57d (AR)<\/td>\n–<\/td>\n<\/tr>\n
5<\/td>\n\uce7c\ub968 Borohydride<\/td>\n\ubd84\uc11d\uc6a9 \uc2dc\uc57d (AR)<\/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\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\uc5fc\uc0b0 \uc194\ub8e8\uc158 (6 mol\/L)<\/td>\n50 mL\uc758 \uc5fc\uc0b0\uc744 \uce21\uc815\ud558\uace0, \ucc9c\ucc9c\ud788 40 mL\uc758 \ubb3c\uc5d0 \ucd94\uac00\ud558\uace0, \ub0c9\uac01\ud558\uace0, \ubb3c\ub85c 100 mL\uae4c\uc9c0 \ubb3c\ubb3c\ubb3c\ub85c \ud76c\uc11d\ud558\uace0 \uc798 \ud63c\ud569\ud569\ub2c8\ub2e4.<\/td>\n–<\/td>\n<\/tr>\n
2<\/td>\n\uc218\uc0b0\ud654\uce7c\uc0b0 \uc194\ub8e8\uc158 (5 g\/L)<\/td>\n5g\uc758 \uc218\uc0b0\ud654\uce7c5g\ub97c \ubb34\uac8c\ub85c \ubb3c\ubb3c\ubb3c 1000mL\uc5d0 \uc6a9\ud574\ud558\uace0 \uc798 \ud63c\ud569\ud558\uc2ed\uc2dc\uc624.<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\n\uce7c\uce7c\uce7c\uc54c\uc54c\uce7c\uc54c\uc54c\uc54c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uce7c\uc54c\uc54c\uce7c \uc54c\uce7c\uc54c\uc54c\uce7c\uc54c\uc54c\uce7c\uc54c\uc54c\uce7c\uc54c\uce7c\uc54c\uc54c\uce7c\uc54c\uc54c<\/td>\n15 g\uc758 \uce7c\ub968 \ubcf4\ub85c\ud558\uc774\ub4dc\ub77c\uc774\ub4dc\ub97c \ubb34\uac8c\ub85c, \uc774\uc0b0\ud654\uce7c\uc774\uc774\uc774\uc77415 15 15 g\uc758 \uc774\uc0b0\uc0b0\ud654\uce7c\uc774\uc774\uc774\uc0b0\ud654\uce7c\ub968 \uc6a9\uc561 (5 g \/ L) \uc5d0 \uc6a9\ud574\ud558\uace0 \uc798 \ud63c\ud569\ud558\uc2ed\uc2dc\uc624.<\/td>\n\uc0ac\uc6a9\ud558\uae30 \uc804\uc5d0 \uc2e0\uc120\ud558\uac8c \uc900\ube44\ud558\uc2ed\uc2dc\uc624.<\/td>\n<\/tr>\n
4<\/td>\n\uc5fc\uc0b0 (10 90)<\/td>\n50 mL\uc758 \uc5fc\uc0b0\uc744 \uce21\uc815\ud558\uace0, \ucc9c\ucc9c\ud788 450 mL\uc758 \ubb3c\uc5d0 \ucd94\uac00\ud558\uace0 \uc798 \ud63c\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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
\uc0d8\ud50c\uc744 \ubd84\ud574\ud558\uace0 \ub3d9\uc9c8\ud654\ud558\uace0 \uae68\ub057\ud55c \uc0d8\ud50c \uac00\ubc29\uc5d0 \uc800\uc7a5\ud558\uc2ed\uc2dc\uc624.
\ubb34\uac8c\ub294 0.2 g –\uc0d8\ud50c\uc758 0.3 g (\uc815\ud655\ud55c 0.001 g), \uc18c\ud654\uad00\uc5d0 \ub123\uace0, \uc9c8\uc18c\uc0b0\uc758 8 mL\uacfc \uacfc\uc0b0\ud654\uc218\uc18c\uc758 1 mL\uc744 \ucd94\uac00\ud558\uace0, \uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\uc0d8\ud50c\uc758 0.3 g (\uc815\ud655\ud55c 0.001 g\uae4c\uc9c0 \uc815\ud655\ud55c 0.3 g), \uc0d8\uc0d8\uc0d8\uc0d8\ud50c\uc744 \uc18c\ud654\uad00\uc5d0 \ub123\uace0 \uc18c\ud654\uad00\uc5d0 \ub123\uace0, \uc18c\ud654\uad00\uc5d0 \ub123\uace0, \uc18c\ud654\uad00\uc5d0\ucd94\ucc9c\ub41c \ub9c8\uc774\ud06c\ub85c\uc6e8\uc774\ube0c \uc18c\ud654 \uc870\uac74\uc740 \uc544\ub798 \ud45c\uc5d0 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4 (\uc18c\ud654 \uc870\uac74\uc740 \ub2e4\ub978 \uc7a5\uce58\uc5d0 \ub530\ub77c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4).\uc18c\ud654 \ud6c4 \uc18c\ud654 \uad00\uc744 \ub0c9\uac01\uc2dc\ud0a4\uace0 \uc18c\ud654 \uc0b0 \uad6c\ub3d9 \uc7a5\uce58\uc5d0 \ub123\uace0 \ubcfc\ub968\uc774 \uc57d 1 mL \ub420 \ub54c\uae4c\uc9c0 140 \u00b0C\uc5d0 \uc5f0\uc18d\uc801\uc73c\ub85c \uac00\uc5f4\ud558\uc2ed\uc2dc\uc624 (\uac74\uc870\ub85c \uc99d\ubc1c\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624).\ud29c\ube0c\ub97c \uc81c\uac70\ud558\uace0, \uc5fc\uc0b0 \uc6a9\uc561 (6 mol\/L) 5 mL\uc744 \ucd94\uac00\ud558\uace0, \uc6a9\uc561\uc774 \ud770 \uc99d\uae30\ub85c \ud22c\uba85\ud558\uace0 \ubb34\uc0c9\uc774 \ub420 \ub54c\uae4c\uc9c0 \uac00\uc5f4\uc744 \uacc4\uc18d\ud558\uace0, \uc81c\uac70\ud558\uace0 \ub0c9\uac01\ud569\ub2c8\ub2e4.\uc194\ub8e8\uc158\uc744 10 mL \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 \ube44\uc774\uc628\ud654 \ub41c \ubb3c\ub85c \uc804\uc1a1\ud558\uace0, \ud45c\uc2dc\ub41c \ub300\ub7c9\uc73c\ub85c \ubb3c\ub85c \ud76c\uc11d\ud558\uace0, \uc798 \ud63c\ud569\ud558\uace0, \ud14c\uc2a4\ud2b8\ub97c \uc704\ud574 \ud574\ud574\ubd84\ub9ac\ud569\ub2c8\ub2e4.\uc2dc\uc57d \ube48 \ud14c\uc2a4\ud2b8\ub97c \ub3d9\uc2dc\uc5d0 \uc218\ud589\ud569\ub2c8\ub2e4.<\/div>\n

 <\/p>\n

\ub9c8\uc774\ud06c\ub85c\uc6e8\uc774\ube0c \uc18c\ud654 \uc628\ub3c4 \uc0c1\uc2b9 \ud504\ub85c\uadf8\ub7a8<\/div>\n

 <\/p>\n

\n
\n\n\n\n\n\n\n\n\n\n
\ub2e8\uacc4<\/th>\n\uc628\ub3c4 \/ \u00b0C<\/th>\n\uac1c\ucd5c \uc2dc\uac04 \/ \ubd84<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n80<\/td>\n3<\/td>\n<\/tr>\n
2<\/td>\n120<\/td>\n5<\/td>\n<\/tr>\n
3<\/td>\n140<\/td>\n5<\/td>\n<\/tr>\n
4<\/td>\n160<\/td>\n5<\/td>\n<\/tr>\n
5<\/td>\n180<\/td>\n30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

3.1.2 \ud45c\uc900 \uc194\ub8e8\uc158 \uc900\ube44<\/h4>\n
    \n
  1. \n
    Selenium Standard Intermediate Solution (1 \u03bcg\/mL)\uc758 \uc900\ube44:
    \uc815\ud655\ud558\uac8c 100 \u03bcL \uc140\ub808100 m\ud45c\uc900 \uc194\ub8e8\uc158 (1000 \u03bcg \/ mL)\uc744 100 mL \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 \ud53c100 100 100 \u03bcL\uc744 \uc815\ud655\ud558\uac8c \ud53c100 100 \u03bcL100 mL \uc6a9\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 \ud53c100 100 100 100 \u03bcL\uc758 100 100 100 \u03bcL\uc758 100 100 \u03bcL\uc758 \uc5fc\uc0b0\uc0b0 20 mL\ub97c \ucd94\uac00\ud558\uace0 \ud45c\uc2dc\ub41c \uc6a9\ub7c9\uc5d0 \ubb3c\ub85c<\/div>\n<\/li>\n
  2. \n
    Selenium \ud45c\uc900 \uc791\uc5c5 \uc194\ub8e8\uc158 (10 ng\/mL)\uc758 \uc900\ube44:
    \uc815\ud655\ud558\uac8c 100 mL\uc758 \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 1.0 mL\uc758 \uc140\ub808100 \ud45c\uc900 \uc911\uac04 \uc194\ub8e8\uc158 (1 \u03bcg\/mL)\uc744 \ud53c100 100 mL\uc815\ud655\ud558\uac8c \ud53c100 100 100 mL\uc758 \uc6a9\ub7c9 \ud50c\ub798\uc2a4\ud06c\uc5d0 \ud53c100 100 100 100 mL\uc758 \uc5fc\uc0b0\uc0b0\uc0b0 20 mL\uc744 \ucd94\uac00\ud558\uace0 \ud45c\uc2dc\ub41c \uc6a9\ub7c9\uc5d0 \ubb3c\ub85c \uc815\ud655\ud788 \ud45c\uc2dc\ub41c \uc6a9\ub41c \uc6a9\ub7c9\uc5d0 \uc815\ud655<\/div>\n<\/li>\n
  3. \n
    Selenium Standard Series\uc758 \uc900\ube44:
    \uae30\uae30\ub294 0.00 ng\/mL, 1.00 ng\/mL, 2.00 ng\/mL, 4.00 ng\/mL, 8.00 ng\/mL \ubc0f 10.00 ng\/mL\uc758 \ub18d\ub3c4\ub97c \uac00\uc9c4 \ud45c\uc900 \uc2dc\ub9ac\uc988\ub97c \uc900\ube44\ud558\uae30 \uc704\ud574 \uc790\ub3d9\uc73c\ub85c \ud76c\uc11d\ub429\ub2c8\ub2e4.<\/div>\n<\/li>\n<\/ol>\n

    3.2 \ud45c\ubcf8 \uc2dc\ud5d8<\/h3>\n
      \n
    1. \uc2dc\ud5d8 \uc870\uac74
      \uc6d0\uc790 \ud615\uad11 \ubd84\uad11\uad11\uacc4\uc758 \ucc38\uc870 \uc870\uac74<\/li>\n<\/ol>\n

       <\/p>\n

      \n
      \n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \uc74c\uc131 \uace0\uc804\uc555 (V)<\/th>\n280<\/th>\n<\/tr>\n<\/thead>\n
      \ub7a8\ud504 \ud604\uc7ac (mA)<\/td>\n50\/50<\/td>\n<\/tr>\n
      \uc6d0\uc790 \uc628\ub3c4 (\u00b0C)<\/td>\n200<\/td>\n<\/tr>\n
      \uce90\ub9ac\uc5b4 \uac00\uc2a4 \uc720\ub7c9 (mL\/min)<\/td>\n300<\/td>\n<\/tr>\n
      \ubcf4\ud638 \uac00\uc2a4 \uc720\ub7c9 (mL\/min)<\/td>\n600<\/td>\n<\/tr>\n
      \uce21\uc815 \ubc29\ubc95<\/td>\n\ud45c\uc900 \uace1\uc120 \ubc29\ubc95<\/td>\n<\/tr>\n
      \uc77d\uae30 \ubaa8\ub4dc<\/td>\n\ud53c\ud06c \uc9c0\uc5ed<\/td>\n<\/tr>\n
      \uc9c0\uc5f0 \uc2dc\uac04 (s)<\/td>\n4.0<\/td>\n<\/tr>\n
      \uc77d\uae30 \uc2dc\uac04 (s)<\/td>\n18<\/td>\n<\/tr>\n
      \ud45c\ubcf8 \uc8fc\uc785 \uc591 (mL)<\/td>\n1.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

       <\/p>\n

        \n
      1. \uc0d8\ud50c \ud14c\uc2a4\ud2b8
        \uae30\uae30\ub97c \ucd5c\uc801\uc758 \uc0c1\ud0dc\ub85c \uc870\uc815\ud569\ub2c8\ub2e4.\uc5fc\uc0b0 (10 90)\uc744 \uce90\ub9ac\uc5b4 \uc2a4\ud2b8\ub9bc\uc73c\ub85c \uc0ac\uc6a9\ud558\uba70, \uce7c\uc0b0\uc0b0 \ubcf4\ub85c\ud558\uc774\ub4dc\ub77c\uc774\ub4dc \uc54c\uce7c\uc0b0 \uc0b0 \uc194\ub8e8\uc158 (15 g\/L)\uc744 \uac10\uc18c\uc81c\ub85c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.\uce90\ub9ac\uc5b4 \uc2a4\ud2b8\ub9bc\uc758 \ube48 \ucc28\ubcc4 \uac12\uc774 10.0 \ubbf8\ub9cc\uc778 \ud6c4, \uc138\uc138\uc138\ub80c \ud45c\uc900 \uc791\uc5c5 \uc6a9\uc561\uc744 \uc8fc\uc785\ud558\uc5ec \ud615\uad11 \uac15\ub3c4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.\ud45c\uc900 \uace1\uc120\uc744 \uc9c8\ub7c9 \ub18d\ub3c4\ub97c abscissa\ub85c, \ud615\uad11 \uac15\ub3c4\ub97c \uc218\uc900\uc73c\ub85c \uadf8\ub9bd\ub2c8\ub2e4.<\/li>\n<\/ol>\n

         <\/p>\n

        \ud45c\uc900 \uc2dc\ub9ac\uc988 \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 \uc194\ub8e8\uc158\uc744 \uac01\uac01 \uae30\uae30\uc5d0 \uc18c\uac1c\ud558\uace0, \ud615\uad11 \uac15\ub3c4\ub97c \uacb0\uc815\ud558\uace0, \ud45c\uc900 \uc2dc\ub9ac\uc988\uc640 \ube44\uad50\ud558\uc5ec \uc591\ud654\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

        1. Method Overview After the sample is digested by heating with acid, hexavalent selenium in the sample is reduced to tetravalent selenium in a 6 mol\/L hydrochloric acid medium. Potassium borohydride is used as a reducing agent to reduce tetravalent selenium to hydrogen selenide in the hydrochloric acid medium. The hydrogen selenide is carried into […]<\/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-3909","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\/3909","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=3909"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts\/3909\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/media?parent=3909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/categories?post=3909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/tags?post=3909"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}