![\"\"](\"https:\/\/stromann.vn\/wp-content\/uploads\/2022\/07\/titanium-oxide-stromann-1-300x141.jpg\")
<\/p>\nTrong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t s\u01a1n, b\u1ed9t \u0111\u1ed9n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng v\u00ec ch\u00fang chi\u1ebfm t\u1ec9 l\u1ec7 t\u1eeb 30 – 50% th\u00e0nh ph\u1ea7n s\u01a1n th\u00e0nh ph\u1ea9m. C\u00f3 th\u1ec3 n\u00f3i \u0111\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong s\u1ea3n xu\u1ea5t s\u01a1n.<\/p>\n
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Trong b\u00e0i chia s\u1ebb ki\u1ebfn th\u1ee9c n\u00e0y, Stromann<\/a> s\u1ebd gi\u00fap b\u1ea1n t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 h\u00f3a ch\u1ea5t ph\u1ee5 gia n\u00e0y. B\u1ed9t \u0111\u1ed9n l\u00e0 g\u00ec? \u0110\u00e2u l\u00e0 c\u00e1c lo\u1ea1i b\u1ed9t \u0111\u1ed9n ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh s\u01a1n? Ch\u00fang ta s\u1ebd c\u00f9ng \u0111i t\u00ecm c\u00e2u tr\u1ea3 l\u1eddi d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/b><\/p>\n B\u1ed9t \u0111\u1ed9n cho s\u01a1n \u0111\u01b0\u1ee3c hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n l\u00e0 lo\u1ea1i b\u1ed9t \u0111\u1ed9n d\u00f9ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t s\u01a1n. B\u00f4\u0323t \u0111\u00f4\u0323n la\u0300 ca\u0301c ch\u00e2\u0301t da\u0323ng b\u00f4\u0323t mi\u0323n, ma\u0300u tr\u0103\u0301ng ho\u0103\u0323c ma\u0300u r\u00e2\u0301t nha\u0323t, chi\u0309 s\u00f4\u0301 khu\u0301c xa\u0323 th\u00e2\u0301p (khoa\u0309ng 1, 4- 1,7) kh\u00f4ng ho\u0300a tan nh\u01b0ng ph\u00e2n ta\u0301n t\u00f4\u0301t trong h\u00ea\u0323 th\u00f4\u0301ng s\u01a1n. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh n\u0103ng c\u01a1 l\u00fd, t\u1ea1o \u0111\u1ed9 d\u00e0y ph\u1ee7 cho m\u00e0ng s\u01a1n, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m gi\u00e1 th\u00e0nh c\u1ee7a s\u1ea3n ph\u1ea9m m\u00e0 v\u1eabn gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng th\u00e0nh ph\u1ea9m. Th\u1eadm ch\u00ed b\u1ed9t \u0111\u1ed9n c\u00f2n s\u1edf h\u1eefu nh\u1eefng t\u00ednh ch\u1ea5t v\u00f4 c\u00f9ng \u01b0u vi\u1ec7t gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng cho s\u01a1n n\u01b0\u1edbc.\u00a0<\/span><\/p>\n S\u1ed1 l\u01b0\u1ee3ng b\u1ed9t \u0111\u1ed9n cho s\u01a1n c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn nh\u1eefng y\u1ebfu t\u1ed1 c\u1ee7a s\u01a1n nh\u01b0 sau:\u00a0\u00a0<\/span><\/p>\n \u0110\u1ec3 ph\u1ee5c v\u1ee5 cho ng\u00e0nh s\u01a1n n\u00f3i chung v\u00e0 s\u01a1n n\u01b0\u1edbc n\u00f3i ri\u00eang c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i b\u1ed9t \u0111\u1ed9n ra \u0111\u1eddi. M\u1ed7i lo\u1ea1i b\u1ed9t \u0111\u1ed9n l\u1ea1i s\u1edf h\u1eefu nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang t\u1ea1o n\u00ean nh\u1eefng t\u00ednh n\u0103ng kh\u00e1c nhau cho c\u00e1c c\u00f4ng th\u1ee9c s\u1ea3n xu\u1ea5t s\u01a1n ri\u00eang bi\u1ec7t. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ed9t \u0111\u1ed9n cho s\u01a1n \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn:\u00a0<\/span><\/p>\n 2.1. B\u1ed9t CaCO3 (b\u1ed9t \u0111\u00e1)\u00a0<\/b><\/p>\n B\u1ed9t \u0111\u1ed9n CaCO3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 r\u1ed9ng r\u00e3i trong ng\u00e0nh s\u01a1n, canxi cacbonat l\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u00ednh s\u1edf h\u1eefu k\u00edch th\u01b0\u1edbc h\u1ea1t 1\u00b5m- 50 \u00b5m. Nh\u1edd th\u1ebf b\u1ed9t c\u00f3 kh\u1ea3 n\u0103ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u1eafn s\u00e1ng c\u1ee7a qu\u00e1 tr\u00ecnh s\u01a1n ph\u1ee7. \u0110\u1eb7c bi\u1ec7t canxi cacbonat c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec c\u00f3 \u0111\u1ed9 s\u00e1ng cao, h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p \u0111\u1ed3ng th\u1eddi \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, b\u1ec1n trong m\u00f4i tr\u01b0\u1eddng. B\u1ed9t \u0111\u1ed9n c\u00f3 kh\u1ea3 n\u0103ng m\u00e0i m\u00f2n th\u1ea5p, \u0111\u1ed9 pH \u1ed5n \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 n\u00e2ng cao t\u00ednh n\u0103ng ch\u1ed1ng \u0103n m\u00f2n m\u00f4i tr\u01b0\u1eddng \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n \u0111\u1ed9 nh\u1edbt c\u1ee7a s\u01a1n. V\u1eadt li\u1ec7u n\u00e0y l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng quang h\u1ecdc c\u0169ng nh\u01b0 tr\u1ecdng l\u01b0\u1ee3ng cho s\u01a1n, m\u1ed9t s\u1ed1 d\u00f2ng c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ed1ng l\u1eafng cho s\u01a1n.\u00a0\u00a0<\/span><\/p>\n 2.2. B\u1ed9t Talc\u00a0<\/b><\/p>\n B\u1ed9t Talc h\u1ee3p ch\u1ea5t s\u1edf h\u1eefu ngu\u1ed3n g\u1ed1c t\u1eeb thi\u00ean nhi\u00ean ch\u1ee9a Mg v\u00e0 Al v\u00e0 m\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t kh\u00e1c. <\/span>Talc l\u00e0 m\u1ed9t lo\u1ea1i kho\u00e1ng s\u1ea3n. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t m\u00e0u tr\u1eafng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean g\u1ecdi l\u00e0 “b\u1ed9t talc”. B\u1ed9t n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m, h\u1ea5p th\u1ee5 d\u1ea7u, h\u1ea5p th\u1ee5 m\u00f9i, ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 s\u1ea3n xu\u1ea5t hi\u1ec7u qu\u1ea3 v\u1edbi da c\u1ee7a con ng\u01b0\u1eddi. <\/span>B\u1ed9t \u0111\u1ed9n n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i thi\u1ec7n m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m c\u1ee7a s\u01a1n nh\u01b0: s\u1ef1 \u0111\u00f3ng l\u1eafng b\u1ed9t m\u00e0u, t\u00ednh l\u01b0u bi\u1ebfn, b\u1ec1n n\u01b0\u1edbc v\u00e0 h\u01a1i \u1ea5m, \u0111\u1ed9 ch\u1eb7t ch\u1ebd c\u1ee7a m\u00e0ng\u2026<\/span><\/p>\n 2.3. B\u1ed9t BaSO4 (Bari sulfat)<\/b><\/p>\n \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ea5t c\u00f3 tinh th\u1ec3 m\u00e0u tr\u1eafng kh\u00f4ng m\u00f9i v\u00e0 kh\u00f4ng tan trong n\u01b0\u1edbc, xu\u1ea5t hi\u1ec7n trong t\u1ef1 nhi\u00ean v\u1edbi kho\u00e1ng ch\u1ea5t barit, \u0111\u00f3 l\u00e0 ngu\u1ed3n s\u1ea3n xu\u1ea5t th\u01b0\u01a1ng m\u1ea1i ch\u00ednh c\u1ee7a bari v\u00e0 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ebf t\u1eeb n\u00f3. B\u1ed9t \u0111\u1ed9n BaSO4 c\u0169ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng th\u01b0\u1eddng xuy\u00ean v\u00ec s\u1edf h\u1eefu nhi\u1ec1u \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt. Lo\u1ea1i b\u1ed9t n\u00e0y s\u1edf h\u1eefu t\u00ednh tr\u01a1 v\u1edbi h\u00f3a ch\u1ea5t, b\u1ec1n nhi\u1ec7t \u0111\u1ed3ng th\u1eddi \u00edt tan trong n\u01b0\u1edbc, c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n cho m\u00e0ng s\u01a1n. \u0110\u1eb7c bi\u1ec7t v\u1eadt li\u1ec7u mang h\u00e0m l\u01b0\u1ee3ng r\u1eafn cao v\u00e0 b\u1ec1n h\u00f3a ch\u1ea5t n\u00ean \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 bong c\u1ee7a m\u00e0ng s\u01a1n, gi\u1ea3m b\u1edbt l\u01b0\u1ee3ng b\u1ed9t m\u00e0u \u0111\u1eaft ti\u1ec1n c\u1ea7n s\u1eed d\u1ee5ng. B\u1ed9t \u0111\u1ed9n c\u00f3 d\u1ea1ng nano s\u1edf h\u1eefu k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf 0,4-0,7 micromet d\u00f9ng l\u00e0m b\u1ed9t \u0111\u1ed9n \u0111\u1eb7c bi\u1ec7t nh\u1eb1m t\u0103ng \u0111\u1ed9 m\u00e0u cho m\u00e0ng s\u01a1n. V\u1eadt li\u1ec7u c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a m\u00e0ng s\u01a1n, c\u1ee5 th\u1ec3 l\u00e0 \u0111\u1ed9 bong, \u0111\u1ed9 b\u1ec1n m\u00e0u, \u0111\u1ed9 b\u1ec1n c\u01a1 l\u00fd,\u2026<\/span><\/p>\n 2.4. B\u1ed9t Cao lanh\u00a0<\/b><\/p>\n Cao lanh l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u1ea5t s\u00e9t m\u00e0u tr\u1eafng, b\u1edf, ch\u1ecbu l\u1eeda, v\u1edbi th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 kho\u00e1ng v\u1eadt kaolinit c\u00f9ng m\u1ed9t s\u1ed1 kho\u00e1ng v\u1eadt kh\u00e1c nh\u01b0 illit, montmorillonit, th\u1ea1ch anh\u2026 B\u1ed9t \u0111\u1ed9n Cao lanh s\u1edf h\u1eefu d\u1ea1ng phi\u1ebfn m\u1ecfng k\u00edch th\u01b0\u1edbc 0,5-50 micromet, sau qu\u00e1 tr\u00ecnh tinh ch\u1ebf t\u1eeb n\u01b0\u1edbc \u00e1p l\u1ef1c cao s\u1ebd \u0111\u01b0\u1ee3c nghi\u1ec1n m\u1ecbn. Cu\u1ed1i c\u00f9ng l\u00e0 ph\u00e2n lo\u1ea1i th\u00e0nh b\u1ed9t \u0111\u1ed9n, b\u1ed9t s\u1edf h\u1eefu t\u00e1c d\u1ee5ng ch\u1ed1ng l\u1eafng, l\u00e0m m\u1edd, l\u00e0m \u0111\u1eb7c cho n\u01b0\u1edbc s\u01a1n, s\u01a1n m\u1edd trang tr\u00ed. Lo\u1ea1i s\u01a1n n\u00e0y \u00edt \u01b0u \u0111i\u1ec3m h\u01a1n nh\u1eefng lo\u1ea1i s\u01a1n kh\u00e1c n\u00ean \u1ee9ng d\u1ee5ng c\u0169ng kh\u00f4ng qu\u00e1 l\u1edbn, tuy nhi\u00ean c\u00f3 th\u00e0nh ph\u1ea7n b\u1ed9t n\u00e0y th\u00ec gi\u00e1 tr\u1ecb c\u1ee7a s\u01a1n t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n 2.5. B\u1ed9t Bengel (d\u1eabn xu\u1ea5t c\u1ee7a bentonite)\u00a0<\/b><\/p>\n B\u1ed9t \u0111\u1ed9n Bengel \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 ch\u1ea5t \u0111\u1ed9n tr\u01a1 trong s\u01a1n, c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng l\u1eafng hi\u1ec7u qu\u1ea3 cho m\u00e0ng s\u01a1n trong qu\u00e1 tr\u00ecnh thi c\u00f4ng. Nguy\u00ean li\u1ec7u n\u00e0y gi\u00fap cho s\u01a1n b\u1ec1n v\u1edbi th\u1eddi ti\u1ebft, kh\u00e1ng h\u00f3a ch\u1ea5t \u0111\u1ed3ng th\u1eddi b\u1ec1n nhi\u1ec7t. Ngo\u00e0i ra b\u1ed9t \u0111\u1ed9n c\u00f2n gi\u00fap t\u0103ng c\u01b0\u1eddng t\u00ednh n\u0103ng ch\u1ed1ng x\u01b0\u1edbc, ch\u1ed1ng m\u00e0i m\u00f2n cho s\u01a1n. Tr\u00ean th\u1ef1c t\u1ebf th\u00ec b\u1ed9t \u0111\u1ed9n Bengel l\u00e0 ph\u1ee5 gia l\u01b0u bi\u1ebfn, l\u00e0 ch\u1ea5t ph\u00e2n c\u1ef1c th\u1ea5p ho\u1ea1t \u0111\u1ed9ng kh\u00e1 t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng s\u1edf h\u1eefu t\u00ednh ph\u00e2n c\u1ef1c cao. V\u00ec th\u1ebf s\u1eed d\u1ee5ng lo\u1ea1i b\u1ed9t \u0111\u1ed9n n\u00e0y th\u00ec chi ph\u00ed b\u1ecf ra s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u m\u1ed9t c\u00e1ch t\u1ed1i \u0111a nh\u1ea5t c\u00f3 th\u1ec3. Nh\u1edd th\u1ebf gi\u00e1 th\u00e0nh s\u01a1n n\u01b0\u1edbc th\u00e0nh ph\u1ea9m c\u0169ng \u0111\u1ea3m b\u1ea3o c\u1ea1nh tranh nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n 2.6. B\u1ed9t Mica<\/b><\/p>\n B\u1ed9t Mica c\u00f3 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc l\u00e0 potassium, alumina v\u00e0 silicate, c\u00f3 \u0111\u1eb7c t\u00ednh ch\u00ednh l\u00e0 ch\u1ed1ng ch\u00e1y, ch\u1ed1ng th\u1ea5m, kh\u00f4ng ch\u00e1y v\u00e0 kh\u00f4ng b\u1eaft l\u1eeda v\u1edbi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi. B\u1ed9t mica c\u00f2n l\u00e0m gi\u1ea3m d\u1ea7u, c\u00f3 th\u1ec3 thay th\u1ebf talc l\u00e0m ch\u1ea5t \u0111\u1ed9n, v\u00e0 gi\u00fap ng\u0103n ng\u1eeba v\u00f3n c\u1ee5c. S\u1eed d\u1ee5ng b\u1ed9t \u0111\u1ed9n n\u00e0y s\u1ebd gi\u00fap s\u01a1n b\u00f3ng m\u01b0\u1ee3t v\u00e0 \u00f3ng \u1ea3, \u0111\u1ed9 tr\u1ea7y r\u00e1t th\u1ea5p.<\/span><\/b><\/p>\n Ch\u1ea5t \u0111\u1ed9n c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a s\u01a1n, \u0111\u1eb7c bi\u1ec7t \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u00fang r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, b\u1ea3o qu\u1ea3n v\u00e0 s\u1eed d\u1ee5ng. L\u1ef1a ch\u1ecdn ch\u1ea5t \u0111\u1ed9n kh\u00f4ng t\u1ed1i \u01b0u v\u1ec1 ch\u1ee7ng lo\u1ea1i, t\u1ef7 l\u1ec7 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m c\u00e1c t\u00ednh ch\u1ea5t thi\u1ebft y\u1ebfu c\u1ee7a s\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ch\u1ea5t \u0111\u1ed9n c\u1ea7n l\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn b\u1ed9t \u0111\u1ed9n:<\/span><\/p>\n 3.1. \u0110\u1ed9 pH c\u1ee7a s\u01a1n n\u01b0\u1edbc<\/b><\/p>\n M\u1ed9t s\u1ed1 ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn \u0111\u1ed9 pH trong khi nh\u1eefng ch\u1ea5t kh\u00e1c ch\u1ec9 \u1ea3nh h\u01b0\u1edfng nh\u1ecf \u0111\u1ebfn \u0111\u1ed9 pH. Th\u00e0nh ph\u1ea7n b\u1ec1 m\u1eb7t c\u0169ng nh\u01b0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c h\u1ea1t ch\u1ea5t \u0111\u1ed9n chi ph\u1ed1i \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c h\u1ea1t \u0111\u1ebfn \u0111\u1ed9 pH.<\/span><\/p>\n 3.2. T\u1ed1c \u0111\u1ed9 l\u1eafng trong s\u01a1n<\/b><\/p>\n K\u00edch th\u01b0\u1edbc v\u00e0 t\u1ef7 tr\u1ecdng c\u1ee7a b\u1ed9t \u0111\u1ed9n s\u1ebd \u1ea3nh h\u01b0\u1edfng t\u1edbi t\u1ed1c \u0111\u1ed9 l\u1eafng trong s\u01a1n. M\u00e0 \u0111\u1ed9 l\u1eafng n\u00e0y ch\u1ee7 y\u1ebfu b\u1ecb chi ph\u1ed1i b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh:<\/span><\/p>\n V\u00ec v\u1eady, \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u l\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c ch\u1ea5t \u0111\u1ed9n c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ef7 tr\u1ecdng kh\u00f4ng l\u1ec7ch qu\u00e1 nhi\u1ec1u v\u1edbi t\u1ef7 tr\u1ecdng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a ti\u00eau chu\u1ea9n h\u1ec7 s\u01a1n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/span><\/p>\n 3.3.\u00a0 T\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u01a1n<\/b><\/p>\n H\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t \u0111\u1ed9n \u0111\u1ec1u \u01b0a n\u01b0\u1edbc. M\u1ed9t ngo\u1ea1i l\u1ec7 l\u00e0 talc, l\u00e0 ch\u1ea5t \u0111\u1ed9n c\u00f3 b\u1ec1 m\u1eb7t t\u01b0\u01a1ng \u0111\u1ed1i k\u1ef5 n\u01b0\u1edbc. C\u00e1c h\u1ea1t \u01b0a n\u01b0\u1edbc d\u1ec5 d\u00e0ng \u1ed5n \u0111\u1ecbnh v\u00ec c\u00e1c ph\u00e2n t\u1eed ph\u00e2n t\u00e1n c\u00f3 th\u1ec3 h\u1ea5p ph\u1ee5 m\u1ea1nh v\u00e0o c\u00e1c nh\u00f3m ph\u00e2n c\u1ef1c c\u00f3 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t \u01b0a n\u01b0\u1edbc. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ch\u1ecdn ch\u1ea5t \u0111\u1ed9n c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng l\u1ecfng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 ph\u00e2n t\u00e1n th\u1ea5m \u01b0\u1edbt c\u1ee7a s\u01a1n.<\/span><\/p>\n 3.4. \u0110\u1ed9 nh\u1edbt c\u1ee7a s\u01a1n<\/b><\/p>\n \u0110\u1ed9 nh\u1edbt c\u1ee7a h\u1ec7 ch\u1ea5t l\u1ecfng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ea5t \u0111\u1ed9n, n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng v\u00e0 th\u00e0nh ph\u1ea7n b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t ch\u1ea5t \u0111\u1ed9n. V\u00ec th\u1ebf, l\u1ef1a ch\u1ecdn b\u1ed9t \u0111\u1ed9n th\u00edch h\u1ee3p s\u1ebd l\u00e0m t\u0103ng t\u00ednh ch\u1ea5t m\u00e0ng s\u01a1n.<\/span><\/p>\n Tr\u00ean \u0111\u00e2y Stromann<\/a> ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb v\u1edbi c\u00e1c b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u1ec1 b\u1ed9t \u0111\u1ed9n trong c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t s\u01a1n, hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 \u00edch \u0111\u1ed1i v\u1edbi b\u1ea1n.<\/span><\/p>\n \u0110\u1eebng qu\u00ean, STROMANN<\/a> ch\u00fang t\u00f4i c\u0169ng l\u00e0 m\u1ed9t trong s\u1ed1 nh\u1eefng \u0111\u01a1n v\u1ecb cung \u1ee9ng h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p h\u00e0ng \u0111\u1ea7u t\u1ea1i Vi\u1ec7t Nam, v\u1edbi l\u1ecbch s\u1eed l\u00e2u n\u0103m, uy t\u00edn, \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng tin t\u01b0\u1edfng v\u00e0 \u01b0a chu\u1ed9ng. STROMANN<\/a> chuy\u00ean cung c\u1ea5p c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t ng\u00e0nh s\u01a1n, h\u00f3a ch\u1ea5t ng\u00e0nh nh\u1ef1a, h\u00f3a ch\u1ea5t m\u1ef1c in, uy t\u00edn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng, gi\u00e1 c\u1ea3 h\u1ee3p l\u00fd, h\u00e0ng h\u00f3a nh\u1eadp kh\u1ea9u tr\u1ef1c ti\u1ebfp, ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd \u0111\u1ea7u v\u00e0o \u0111\u1ea7u ra tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng.\u00a0<\/span><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t s\u01a1n, b\u1ed9t \u0111\u1ed9n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng v\u00ec ch\u00fang chi\u1ebfm t\u1ec9 l\u1ec7 t\u1eeb 30 – 50% th\u00e0nh …<\/p>\n","protected":false},"author":1,"featured_media":2542,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-2541","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-van-chuyen-sau"],"acf":[],"_links":{"self":[{"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/posts\/2541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/comments?post=2541"}],"version-history":[{"count":1,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/posts\/2541\/revisions"}],"predecessor-version":[{"id":2551,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/posts\/2541\/revisions\/2551"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/media\/2542"}],"wp:attachment":[{"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/media?parent=2541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/categories?post=2541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stromann.vn\/en\/wp-json\/wp\/v2\/tags?post=2541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
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