{"id":1581,"date":"2025-06-03T14:48:07","date_gmt":"2025-06-03T07:48:07","guid":{"rendered":"https:\/\/htiscientific.vn\/?p=1581"},"modified":"2025-06-03T17:00:50","modified_gmt":"2025-06-03T10:00:50","slug":"phan-tich-tap-chat-kim-loai-trong-n-methyl-pyrrolidone-sieu-tinh-khiet-bang-nexion-5000-icp-ms","status":"publish","type":"post","link":"https:\/\/htiscientific.vn\/en\/phan-tich-tap-chat-kim-loai-trong-n-methyl-pyrrolidone-sieu-tinh-khiet-bang-nexion-5000-icp-ms\/","title":{"rendered":"Ph\u00e2n t\u00edch t\u1ea1p ch\u1ea5t kim lo\u1ea1i trong N-Methyl Pyrrolidone si\u00eau tinh khi\u1ebft b\u1eb1ng NexION 5000 ICP-MS"},"content":{"rendered":"

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, khi c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn ng\u00e0y c\u00e0ng tr\u1edf n\u00ean nh\u1ecf h\u01a1n v\u00e0 tinh vi h\u01a1n, vi\u1ec7c ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m kim lo\u1ea1i \u2013 nguy\u00ean nh\u00e2n g\u00e2y gi\u1ea3m hi\u1ec7u n\u0103ng \u2013 \u0111\u00e3 tr\u1edf n\u00ean quan tr\u1ecdng. Theo \u0111\u00f3, vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd t\u1ea1p ch\u1ea5t l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t. M\u1ed9t lo\u1ea1t c\u00e1c dung m\u00f4i h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t, nh\u01b0 2-propanol (IPA), 2-acetoxy-1-methoxypropane (PGMEA), 1-methoxy-2-propanol (PGME), v\u00e0 N-methyl-2-pyrrolidone (NMP). Trong s\u1ed1 n\u00e0y, NMP \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u01b0 m\u1ed9t dung m\u00f4i ph\u00e2n c\u1ef1c c\u00f3 \u0111\u1ed9 h\u00f2a tan r\u1ea5t cao, b\u00ean c\u1ea1nh vi\u1ec7c d\u1ec5 d\u00e0ng x\u1eed l\u00fd nh\u1edd \u0111i\u1ec3m s\u00f4i cao v\u00e0 \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng th\u1ea5p. Do \u0111\u1eb7c t\u00ednh n\u00e0y, NMP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t t\u1ea9y r\u1eeda \u0111i\u1ec3n h\u00ecnh cho c\u00e1c l\u1edbp ph\u1ee7 quang. N\u1ebfu kim lo\u1ea1i trong ch\u1ea5t t\u1ea9y r\u1eeda c\u00f2n l\u1ea1i tr\u00ean m\u1eabu m\u1ea1ch, kim lo\u1ea1i n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c c\u1ee7a b\u00e1n d\u1eabn. Do \u0111\u00f3, NMP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ea3i c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/span><\/p>\n

Quang ph\u1ed5 kh\u1ed1i plasma c\u1ea3m \u1ee9ng (ICP-MS) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh l\u01b0\u1ee3ng r\u1ea5t nh\u1ea1y, c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nhi\u1ec1u nguy\u00ean t\u1ed1 \u1edf m\u1ee9c ng\/L (ppt) v\u00e0 pg\/L (ppq), do \u0111\u00f3 n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t k\u1ef9 thu\u1eadt ki\u1ec3m so\u00e1t t\u1ea1p ch\u1ea5t kim lo\u1ea1i trong dung m\u00f4i h\u1eefu c\u01a1 v\u00e0 ch\u1ea5t ph\u1ee7 quang. Trong qu\u00e1 kh\u1ee9, vi\u1ec7c \u0111o tr\u1ef1c ti\u1ebfp c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 dung m\u00f4i h\u1eefu c\u01a1 v\u00e0 ch\u1ea5t ph\u1ee7 quang b\u1eb1ng ICP-MS th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f3 kh\u0103n. Do \u0111\u00f3, c\u00e1c m\u1eabu nh\u01b0 v\u1eady th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y b\u1eb1ng axit nitric tr\u01b0\u1edbc khi \u0111o. L\u00fd do l\u00e0 v\u00ec vi\u1ec7c \u0111\u01b0a m\u1eabu l\u00e0 dung m\u00f4i h\u1eefu c\u01a1 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i c\u1ee7a ngu\u1ed3n ion (plasma) c\u1ee7a ICP-MS, khi\u1ebfn vi\u1ec7c duy tr\u00ec plasma tr\u1edf n\u00ean kh\u00f3 kh\u0103n. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh x\u1eed l\u00fd tr\u01b0\u1edbc n\u00e0y c\u00f3 ti\u1ec1m n\u0103ng g\u00e2y nhi\u1ec5m b\u1ea9n, \u0111i\u1ec1u n\u00e0y l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn \u0111\u1ed1i v\u1edbi ph\u00e2n t\u00edch t\u1ea1p h\u00e0m l\u01b0\u1ee3ng v\u1ebft v\u00e0 si\u00eau v\u1ebft. Tuy nhi\u00ean, c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c PerkinElmer s\u1eed d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 t\u1ea1o RF t\u1ef1 do, \u0111\u00e3 l\u00e0m cho vi\u1ec7c duy tr\u00ec plasma ngay c\u1ea3 v\u1edbi c\u00e1c n\u1ec1n m\u1eabu kh\u00f3, cho ph\u00e9p dung m\u00f4i h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1ef1c ti\u1ebfp v\u00e0o plasma. \u0110i\u1ec1u n\u00e0y gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian chu\u1ea9n b\u1ecb v\u00e0 s\u1ef1 nhi\u1ec5m b\u1ea9n trong qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y axit, cho ph\u00e9p ph\u00e2n t\u00edch tr\u1ef1c ti\u1ebfp dung m\u00f4i h\u1eefu c\u01a1 v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 ch\u1ea5t ph\u1ee7 quang ch\u1ec9 v\u1edbi b\u01b0\u1edbc pha lo\u00e3ng \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n

Tuy nhi\u00ean, n\u1ed3ng \u0111\u1ed9 t\u1ea1p ch\u1ea5t kim lo\u1ea1i trong dung m\u00f4i h\u1eefu c\u01a1 th\u01b0\u01a1ng m\u1ea1i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c. Khi y\u00eau c\u1ea7u v\u1ec1 m\u1ee9c \u0111\u1ed9 t\u1ea1p ch\u1ea5t gi\u1ea3m, n\u1ed3ng \u0111\u1ed9 t\u1ea1p ch\u1ea5t c\u1ee7a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 trong c\u00e1c dung m\u00f4i h\u1eefu c\u01a1 t\u01b0\u01a1ng \u0111\u1ed1i tinh khi\u1ebft (v\u00ed d\u1ee5: c\u1ea5p c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed) \u0111\u00e3 t\u0103ng cao, v\u00e0 \u0111i\u1ec1u n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t r\u00e0o c\u1ea3n cho ph\u00e2n t\u00edch c\u1ea5p b\u00e1n d\u1eabn. N\u1ed3ng \u0111\u1ed9 t\u1ea1p ch\u1ea5t trong dung m\u00f4i h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh trong gi\u00e1 tr\u1ecb n\u1ed3ng \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng n\u1ec1n (BEC), do \u0111\u00f3, gi\u00e1 tr\u1ecb BEC c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u0111\u1ecbnh l\u01b0\u1ee3ng th\u1ea5p h\u01a1n. V\u00ec l\u00fd do n\u00e0y, nhi\u1ec1u ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng (QC) s\u1eed d\u1ee5ng c\u00e1c dung m\u00f4i h\u1eefu c\u01a1 \u0111\u00e3 \u0111\u01b0\u1ee3c tinh ch\u1ebf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u01b0ng c\u1ea5t \u0111\u1ec3 ph\u00e2n t\u00edch ICP-MS. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t n\u00e0y c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 t\u1ed1n th\u1eddi gian v\u00ec n\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u01b0\u1edbi \u0111i\u1ec3m s\u00f4i c\u1ee7a dung m\u00f4i h\u1eefu c\u01a1. Ngo\u00e0i ra, t\u00f9y thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng ch\u01b0ng c\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, c\u00f3 th\u1ec3 x\u1ea3y ra nhi\u1ec5m b\u1ea9n. Ngo\u00e0i ra, khi t\u1ea1p ch\u1ea5t trong dung m\u00f4i h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0a tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd tr\u01b0\u1edbc nh\u01b0 ph\u00e2n h\u1ee7y axit, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c nhi\u1ec5u ph\u1ed5 do Argon v\u00e0 Carbon g\u00e2y ra v\u00ec kh\u00f4ng th\u1ec3 tr\u1eeb m\u1eabu tr\u1eafng trong qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch. Do \u0111\u00f3, ICP-MS c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf nhi\u1ec5u cao h\u01a1n.<\/span><\/p>\n

B\u1ea3n t\u00f3m t\u1eaft \u1ee9ng d\u1ee5ng n\u00e0y b\u00e1o c\u00e1o k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch 37 nguy\u00ean t\u1ed1 trong NMP si\u00eau tinh khi\u1ebft b\u1eb1ng ICP-MS \u0111a t\u1ee9 c\u1ef1c NexION\u00ae 5000<\/a>.<\/span><\/p>\n

Experimental<\/strong><\/span><\/p>\n

Sample and Standard Preparation<\/strong><\/span><\/p>\n

Trong nghi\u00ean c\u1ee9u n\u00e0y, Supreme Pure (SP)-NMP4 (FUJIFILM Wako Pure Chemicals Co., Ltd.) lo\u1ea1i si\u00eau tinh khi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch. M\u1ed9t dung d\u1ecbch chu\u1ea9n h\u1ed7n h\u1ee3p \u0111a nguy\u00ean t\u1ed1 (PerkinElmer) v\u00e0 m\u1ed9t dung d\u1ecbch chu\u1ea9n \u0111\u01a1n nguy\u00ean t\u1ed1 (PerkinElmer) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung d\u1ecbch chu\u1ea9n v\u00e0 th\u00eam v\u00e0o c\u00e1c m\u1eabu.<\/span><\/p>\n

Instrumentation<\/strong><\/span><\/p>\n

M\u1ed9t ICP-MS \u0111a t\u1ee9 c\u1ef1c NexION 5000 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ph\u00e9p \u0111o n\u00e0y. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a b\u1ed9 t\u1ea1o RF t\u1ef1 do v\u00e0 cu\u1ed9n RF LumiCoil\u2122 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong NexION 5000 cung c\u1ea5p t\u00ednh b\u1ec1n v\u1eefng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao trong c\u00e1c ph\u00e9p \u0111o dung m\u00f4i h\u1eefu c\u01a1. Giao di\u1ec7n Triple Cone th\u1ebf h\u1ec7 th\u1ee9 hai v\u1edbi c\u00f4ng ngh\u1ec7 OmniRing g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u\/n\u1ec1n (S\/N). Ngo\u00e0i ra, thi\u1ebft k\u1ebf t\u1ee9 c\u1ef1c c\u1ee7a bu\u1ed3ng va ch\u1ea1m Universal (Q2) cho ph\u00e9p s\u1eed d\u1ee5ng kh\u00ed ph\u1ea3n \u1ee9ng m\u00e0 kh\u00f4ng c\u1ea7n pha lo\u00e3ng. K\u1ebft h\u1ee3p l\u1ea1i, c\u00e1c t\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p NexION 5000 \u0111\u1ea1t \u0111\u01b0\u1ee3c BEC v\u01b0\u1ee3t tr\u1ed9i v\u1edbi kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf nhi\u1ec5u ph\u1ed5 tuy\u1ec7t v\u1eddi.<\/span><\/p>\n

\u0110i\u1ec1u ki\u1ec7n thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong B\u1ea3ng 1. Ch\u1ebf \u0111\u1ed9 ph\u1ea3n \u1ee9ng (DRC) s\u1eed d\u1ee5ng NH3<\/sub>, O2<\/sub>, H2<\/sub>\u00a0kh\u00f4ng pha lo\u00e3ng (100%) ho\u1eb7c h\u1ed7n h\u1ee3p c\u1ee7a c\u00e1c lo\u1ea1i kh\u00ed n\u00e0y l\u00e0 m\u1ed9t c\u00e1ch r\u1ea5t hi\u1ec7u qu\u1ea3 \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u quang ph\u1ed5 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i c\u00e1c ion g\u00e2y nhi\u1ec5u th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng mang \u0111i\u1ec7n t\u00edch ho\u1eb7c c\u00e1c ion c\u00f3 s\u1ed1 kh\u1ed1i kh\u00e1c, ho\u1eb7c b\u1eb1ng c\u00e1ch t\u1ea1o ra c\u00e1c ion \u0111a nguy\u00ean t\u1ed1 c\u1ee7a nguy\u00ean t\u1ed1 quan t\u00e2m (d\u1ecbch chuy\u1ec3n s\u1ed1 kh\u1ed1i). B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng 100% kh\u00ed ph\u1ea3n \u1ee9ng, m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ea1o ra c\u00e1c ion \u0111a nguy\u00ean t\u1ed1, v\u00e0 t\u1ee9 c\u1ef1c v\u1edbi d\u1ea3i b\u0103ng t\u1ea7n trong bu\u1ed3ng ph\u1ea3n \u1ee9ng ng\u0103n c\u1ea3n s\u1ef1 h\u00ecnh th\u00e0nh nhi\u1ec5u m\u1edbi (s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a ph\u1ea3n \u1ee9ng).<\/span><\/p>\n

Trong ch\u1ebf \u0111\u1ed9 MS\/MS, Q1 v\u00e0 Q3 \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00f9ng m\u1ed9t s\u1ed1 kh\u1ed1i, trong khi \u1edf ch\u1ebf \u0111\u1ed9 D\u1ecbch chuy\u1ec3n kh\u1ed1i, c\u00e1c nguy\u00ean t\u1ed1 c\u1ea7n ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c \u0111o d\u01b0\u1edbi d\u1ea1ng ion s\u1ea3n ph\u1ea9m v\u1edbi kh\u00ed ph\u1ea3n \u1ee9ng \u1edf s\u1ed1 kh\u1ed1i cao h\u01a1n. M\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 kh\u00f4ng c\u00f3 nhi\u1ec5u quang ph\u1ed5 \u0111\u01b0\u1ee3c \u0111o \u1edf ch\u1ebf \u0111\u1ed9 Ti\u00eau chu\u1ea9n (STD), kh\u00f4ng th\u00eam d\u00f2ng kh\u00ed t\u1ea1i Q2.<\/span><\/p>\n

B\u1ea3ng 1. C\u00e1c th\u00f4ng s\u1ed1 thi\u1ebft b\u1ecb.<\/em><\/span><\/p>\n

\"\"<\/span><\/p>\n

Results and Discussion<\/strong><\/span><\/p>\n

B\u1ea3ng 2 cho th\u1ea5y BEC v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n (LOD) t\u1eeb ph\u00e2n t\u00edch SP-NMP.<\/span><\/p>\n

B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 qu\u00e9t v\u00e0 c\u1ea5u h\u00ecnh th\u00edch h\u1ee3p (kh\u00ed va ch\u1ea1m\/ph\u1ea3n \u1ee9ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n plasma) cho m\u1ed7i nguy\u00ean t\u1ed1, ch\u00fang t\u00f4i \u0111\u00e3 c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c BEC d\u01b0\u1edbi ppt cho t\u1ea5t c\u1ea3 37 nguy\u00ean t\u1ed1 \u0111o. \u0110i\u1ec1u n\u00e0y ch\u1ee9ng minh kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf nhi\u1ec5u ph\u1ed5 hi\u1ec7u qu\u1ea3 c\u1ee7a NexION 5000 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a NMP si\u00eau tinh khi\u1ebft (SP-NMP). C\u0169ng \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 k\u1ebft qu\u1ea3 t\u1ed1t thu \u0111\u01b0\u1ee3c \u1edf Na v\u00e0 Cu m\u00e0 kh\u00f4ng c\u1ea7n ch\u01b0ng c\u1ea5t, v\u1ed1n th\u01b0\u1eddng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t trong NMP cho c\u1ea5p c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed.<\/span><\/p>\n

\"\"<\/span><\/p>\n

B\u1ea3ng 2. BEC v\u00e0 LOD trong SP-NMP<\/em><\/span><\/p>\n

L\u01b0u \u00fd:<\/strong>\u00a0BEC th\u1ea5p h\u01a1n LOD c\u0169ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong b\u1ea3ng.<\/span><\/p>\n

Conclusion<\/strong><\/span><\/p>\n

\u0110\u01b0\u1ee3c trang b\u1ecb c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t, bao g\u1ed3m c\u00f4ng ngh\u1ec7 \u0111a t\u1ee9 c\u1ef1c \u0111\u1ed9c quy\u1ec1n, cu\u1ed9n t\u1ea3i LumiCoil, v\u00e0 b\u1ed9 t\u1ea1o RF t\u1ef1 do, NexION 5000 ICP-MS \u0111\u00e3 ch\u1ee9ng minh hi\u1ec7u su\u1ea5t ph\u00e2n t\u00edch d\u1ea5u v\u1ebft tuy\u1ec7t v\u1eddi bao g\u1ed3m kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf nhi\u1ec5u quang ph\u1ed5 v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c ph\u00e9p \u0111o dung m\u00f4i h\u1eefu c\u01a1.<\/span><\/p>\n

L\u1eddi c\u1ea3m \u01a1n<\/strong><\/span><\/p>\n

Ch\u00fang t\u00f4i xin b\u00e0y t\u1ecf l\u00f2ng bi\u1ebft \u01a1n ch\u00e2n th\u00e0nh \u0111\u1ebfn FUJIFILM Wako Pure Chemicals Corporation v\u00ec \u0111\u00e3 cung c\u1ea5p NMP tinh khi\u1ebft cao cho nghi\u00ean c\u1ee9u n\u00e0y.<\/span><\/p>\n

References<\/strong><\/span><\/p>\n

    \n
  1. Cheung T. S., et al., \u201cAdvantages of a Novel Plasma Generator for the NexION 1100\/2200\/5000 ICP-MS Systems\u201d PerkinElmer Technical Note, 2024.<\/span><\/li>\n
  2. https:\/\/labchem-wako.fujifilm.com\/us\/category\/00282.html<\/a>\u00a0(Trang web c\u1ee7a FUJIFILM Wako Pure Chemical Corporation)<\/span><\/li>\n
  3. Kobayashi K., et al., \u201cAnalysis of Metallic Impurities in Organic Solvents Used in IC Fabrication with the NexION 5000 ICP-MS\u201d PerkinElmer Application Note, 2021.<\/span><\/li>\n
  4. https:\/\/biz.fujifilm.com\/ffwkLP_SP-NMP_contact.html<\/a>\u00a0(Trang web c\u1ee7a FUJIFILM Wako Pure Chemical Corporation)<\/span><\/li>\n
  5. Badiei H., et al., \u201cAdvantages of a Novel<\/span><\/li>\n<\/ol>\n

    Consumables Used\u00a0<\/strong><\/span><\/p>\n

    \"\"<\/span><\/p>","protected":false},"excerpt":{"rendered":"

    Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, khi c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn ng\u00e0y c\u00e0ng tr\u1edf n\u00ean nh\u1ecf h\u01a1n v\u00e0 tinh vi h\u01a1n, vi\u1ec7c ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m kim lo\u1ea1i \u2013 nguy\u00ean nh\u00e2n g\u00e2y gi\u1ea3m hi\u1ec7u n\u0103ng \u2013 \u0111\u00e3 tr\u1edf n\u00ean quan tr\u1ecdng. Theo \u0111\u00f3, vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd t\u1ea1p ch\u1ea5t…<\/p>","protected":false},"author":2,"featured_media":1582,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[17,1],"tags":[],"class_list":["post-1581","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-tin-tuc"],"yoast_head":"\nPh\u00e2n t\u00edch t\u1ea1p ch\u1ea5t kim lo\u1ea1i trong N-Methyl Pyrrolidone si\u00eau tinh khi\u1ebft b\u1eb1ng NexION 5000 ICP-MS - HTI Scientific<\/title>\n<meta name=\"description\" content=\"ph\u00e2n t\u00edch t\u1ea1p ch\u1ea5t kim lo\u1ea1i, ph\u00e2n t\u00edch 37 nguy\u00ean t\u1ed1 trong NMP si\u00eau tinh khi\u1ebft b\u1eb1ng ICP-MS \u0111a t\u1ee9 c\u1ef1c NexION\u00ae 5000...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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