{"id":118314,"date":"2022-08-11T10:39:28","date_gmt":"2022-08-11T02:39:28","guid":{"rendered":"https:\/\/www.alpapowder.com\/118314\/"},"modified":"2022-08-10T14:54:55","modified_gmt":"2022-08-10T06:54:55","slug":"cac-yeu-to-tap-chat-co-anh-huong-gi-den-chat-luong-cua-cac-san-pham-thach-anh-co-do-tinh-khiet-cao","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/118314\/","title":{"rendered":"C\u00e1c y\u1ebfu t\u1ed1 t\u1ea1p ch\u1ea5t c\u00f3 \u1ea3nh h\u01b0\u1edfng g\u00ec \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao?"},"content":{"rendered":"

\"\"<\/p>\n

C\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t ch\u00ednh trong th\u1ea1ch anh l\u00e0 Al, Fe, Ca, Mg, Li, Na, K, Ti, B, H. C\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, ch\u1eb3ng h\u1ea1n nh\u01b0 kim lo\u1ea1i ki\u1ec1m, chuy\u1ec3n ti\u1ebfp kim lo\u1ea1i, Al v\u00e0 P, vv H\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a nguy\u00ean li\u1ec7u th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao. C\u00e1c y\u00eau c\u1ea7u v\u1ec1 h\u00e0m l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t kh\u00e1c nhau t\u00f9y theo vi\u1ec7c s\u1eed d\u1ee5ng th\u1ee7y tinh th\u1ea1ch anh \u0111\u00e3 chu\u1ea9n b\u1ecb, nh\u01b0ng xu h\u01b0\u1edbng chung l\u00e0 c\u00e0ng th\u1ea5p c\u00e0ng t\u1ed1t.<\/p>\n

(1) C\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i ki\u1ec1m Li, K, Na<\/p>\n

Gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 b\u1ea3o d\u01b0\u1ee1ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh, \u0111\u1ed3ng th\u1eddi x\u00fac t\u00e1c qu\u00e1 tr\u00ecnh k\u1ebft tinh c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, d\u1eabn \u0111\u1ebfn s\u1ef1 bi\u1ebfn d\u1ea1ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ee7y tinh th\u1ea1ch anh. Gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i ki\u1ec1m c\u00f3 l\u1ee3i \u0111\u1ec3 t\u0103ng \u0111i\u1ec3m h\u00f3a m\u1ec1m c\u1ee7a ch\u00e9n th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng c\u1ee7a ch\u00e9n th\u1ea1ch anh, v\u00e0 n\u00e2ng cao s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a c\u00e1c \u0111\u01a1n tinh th\u1ec3.<\/p>\n

C\u00e1t ti\u00eau chu\u1ea9n IOTA y\u00eau c\u1ea7u t\u1ed5ng c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i ki\u1ec1m ph\u1ea3i l\u00e0 2,4 \u00d7 10-6 v\u00e0 th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho c\u00e1c \u1ed1ng x\u1eed l\u00fd, x\u1eed l\u00fd wafer silicon<\/a>, kh\u1ed1i th\u1ea1ch anh v\u00e0 n\u1ed3i n\u1ea5u kim lo\u1ea1i b\u00e1n d\u1eabn cho silicon \u0111\u01a1n tinh th\u1ec3 y\u00eau c\u1ea7u t\u1ed5ng s\u1ed1 <1,4 \u00d7 10-6, Ch\u00e9n nung lo\u1ea1i CZ y\u00eau c\u1ea7u t\u1ed5ng c\u1ee7a n\u00f3 <0,5 \u00d7 10-6 v\u00e0 c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft c\u1ef1c cao cho c\u00e1c t\u1ea5m silicon 12 inch ho\u1eb7c l\u1edbn h\u01a1n y\u00eau c\u1ea7u t\u1ed5ng c\u1ee7a n\u00f3 <0,08 \u00d7 10-6.<\/p>\n

(2) C\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i chuy\u1ec3n ti\u1ebfp Cr, Cu, Fe<\/p>\n

Th\u1ee7y tinh th\u1ea1ch anh t\u1ea1o ra c\u00e1c \u0111\u1ed1m m\u00e0u ho\u1eb7c g\u00e2y ra s\u1ef1 \u0111\u1ed5i m\u00e0u \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 truy\u1ec1n \u00e1nh s\u00e1ng v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb. Trong \u1ee9ng d\u1ee5ng c\u1ee7a s\u1ee3i quang, n\u00f3 s\u1ebd g\u00e2y ra s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u vi m\u00f4, l\u00e0m t\u0103ng suy hao s\u1ee3i quang, th\u1eadm ch\u00ed d\u1eabn \u0111\u1ebfn m\u00e9o t\u00edn hi\u1ec7u. Trong c\u00e1c \u1ee9ng d\u1ee5ng b\u00e1n d\u1eabn, m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i chuy\u1ec3n ti\u1ebfp trong s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a tinh th\u1ec3.<\/p>\n

(3) Al v\u00e0 P<\/p>\n

Khi \u0111i v\u00e0o m\u1ea1ng tinh th\u1ec3 th\u1ea1ch anh s\u1ebd t\u1ea1o ra c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc b\u1ec1n ch\u1eb7t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a s\u1ea3n ph\u1ea9m th\u1ea1ch anh, \u0111\u1ed3ng th\u1eddi l\u00e0m t\u0103ng hi\u1ec7u qu\u1ea3 k\u1ebft tinh c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh, gi\u1ea3m tu\u1ed5i th\u1ecd. M\u1ed9t l\u01b0\u1ee3ng nh\u1ecf Al s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao. C\u00e1t ti\u00eau chu\u1ea9n IOTA y\u00eau c\u1ea7u h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 Al (12 ~ 18) \u00d7 10-6, nh\u01b0ng m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf Al trong s\u1ee3i quang h\u1ecdc s\u1ebd l\u00e0m gi\u1ea3m s\u1ef1 truy\u1ec1n \u00e1nh s\u00e1ng c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a nguy\u00ean t\u1ed1 P s\u1ebd \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ee9c k\u00e9o c\u1ee7a silic \u0111\u01a1n tinh th\u1ec3, do \u0111\u00f3, ch\u00e9n th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 y\u00eau c\u1ea7u cao \u0111\u1ed1i v\u1edbi P, v\u00e0 h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 P \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u nh\u1ecf h\u01a1n 0,04 \u00d7 10-6.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t ch\u00ednh trong th\u1ea1ch anh l\u00e0 Al, Fe, Ca, Mg, Li, Na, K, Ti, B, H. C\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, ch\u1eb3ng h\u1ea1n nh\u01b0 kim lo\u1ea1i ki\u1ec1m, chuy\u1ec3n ti\u1ebfp kim lo\u1ea1i, Al v\u00e0 P, v.v … H\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a nguy\u00ean li\u1ec7u th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n","protected":false},"author":7,"featured_media":118290,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-118314","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/118314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=118314"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/118314\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/118290"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=118314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=118314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=118314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}