{"id":1301,"date":"2024-02-24T03:31:05","date_gmt":"2024-02-24T03:31:05","guid":{"rendered":"https:\/\/nbtchemical.com\/?post_type=product&p=1301"},"modified":"2024-02-24T03:36:36","modified_gmt":"2024-02-24T03:36:36","slug":"zinc-cyanide-zncn2-55","status":"publish","type":"product","link":"https:\/\/vinachemistry.com\/vi\/product\/zinc-cyanide-zncn2-55\/","title":{"rendered":"Zinc cyanide Zn(CN)2 55%"},"content":{"rendered":"

T\u00ean s\u1ea3n ph\u1ea9m: Zinc cyanide<\/strong>
\nC\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: Zn(CN)2<\/strong>
\nH\u00e0m l\u01b0\u1ee3ng: 55%<\/strong>
\nXu\u1ea5t x\u1ee9: H\u00e0n Qu\u1ed1c<\/strong>
\nQuy c\u00e1ch: 15 kg\/th\u00f9ng<\/strong><\/p>\n

Zinc Cyanide hay K\u1ebdm Xyanua l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 Zn(CN)2. \u0110\u00e2y l\u00e0 lo\u1ea1i h\u00f3a ch\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p, ch\u1ee7 y\u1ebfu ng\u00e0nh c\u00f4ng nghi\u1ec7p xi m\u1ea1.<\/p>\n

Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt c\u1ee7a k\u1ebdm xyanua<\/strong>
\nCh\u00fang c\u00f3 d\u1ea1ng ch\u1ea5t r\u1eafn, m\u00e0u tr\u1eafng.
\nKh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed: 117,444g\/mol.
\nNhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y: 800 oC.
\nZn(CN)2 h\u1ea7u nh\u01b0 kh\u00f4ng tan trong n\u01b0\u1edbc, v\u1edbi kh\u1ea3 n\u0103ng h\u00f2a tan l\u00e0 0.00005g\/100ml \u1edf nhi\u1ec7t \u0111\u1ed9 20oC.
\nCh\u00fang ch\u1ec9 h\u00f2a tan trong c\u00e1c dung d\u1ecbch ki\u1ec1m, Kali Xyanua v\u00e0 amoniac.<\/p>\n

S\u1ea3n xu\u1ea5t k\u1ebdm xyanua nh\u01b0 th\u1ebf n\u00e0o? <\/strong>
\nK\u1ebdm xyanua Zn(CN)2 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a ion xyanua v\u00e0 k\u1ebdm, v\u00ed d\u1ee5 th\u00f4ng qua ph\u1ea3n \u1ee9ng thay th\u1ebf k\u00e9p gi\u1eefa KCN v\u00e0 ZnSO4
\nZnSO4 + 2KCN \u2192 Zn(CN) 2 + K2SO4<\/p>\n

C\u00f2n trong th\u01b0\u01a1ng m\u1ea1i, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng mu\u1ed1i axetat c\u1ee7a k\u1ebdm \u0111\u1ec3 gi\u00fap \u0111i\u1ec1u ch\u1ebf h\u00f3a ch\u1ea5t n\u00e0y:
\nZn(CH3COO)2 + HCN \u2192 Zn(CN) 2 + 2CH3COOH
\nNgo\u00e0i ra ZnCN c\u00f2n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p khai th\u00e1c v\u00e0ng:
\n2[Au(CN)2] – + Zn \u2192 2Au + Zn(CN) 2 + 2CN –<\/p>\n

Nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a k\u1ebdm xyanua <\/strong>
\n– \u1ee8ng d\u1ee5ng ch\u00ednh gi\u00fap m\u1ea1 \u0111i\u1ec7n k\u1ebdm t\u1eeb dung d\u1ecbch n\u01b0\u1edbc c\u00f3 ch\u1ee9a th\u00eam xyanua.
\n– \u1ee8ng d\u1ee5ng trong t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1: Zn(CN)2 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t x\u00fac t\u00e1c cho cyanosilylation c\u1ee7a andehit v\u00e0 xeton.
\n– C\u00f3 vai tr\u00f2 \u0111\u1ec3 gi\u1edbi thi\u1ec7u nh\u00f3m formyl trong t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1: 2-hydroxy-1-nafthaldehyde \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb t\u1eeb 2-naphthol, k\u1ebdm cyanide, v\u00e0 khan hydro clorua.<\/p>\n

Nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c dung d\u1ecbch m\u1ea1 k\u1ebdm trong c\u00f4ng nghi\u1ec7p<\/strong>
\nDung d\u1ecbch m\u1ea1 K\u1ebdm Xyanua<\/em>
\nG\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh nh\u01b0 ZnO, NaCN, NaOH, Na2S, v\u00e0 ph\u1ee5 gia. Nhi\u1ec7t \u0111\u1ed9 t\u1eeb 20 oC \u2013 35 oC, m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n t\u1eeb 1 \u2013 3 A\/dm2.<\/p>\n

\u01afu \u0111i\u1ec3m: C\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 kim lo\u1ea1i m\u1ea1 cao, \u0111\u1ed9 ph\u1ee7 s\u00e2u cao n\u00ean dung d\u1ecbch m\u1ea1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 m\u1ea1 nh\u1eefng chi ti\u1ebft ph\u1ee9c t\u1ea1p, cho l\u1edbp m\u1ea1 m\u1ecbn v\u00e0 d\u1ebbo.
\nC\u00f3 th\u1ec3 s\u1eed d\u1ee5ng dung d\u1ecbch m\u1ea1 K\u1ebdm Xyanua \u1edf nhi\u1ec7t \u0111\u1ed9 cao, m\u1ea1 quay hay treo \u0111\u1ec1u ph\u00f9 h\u1ee3p. Chi ph\u00ed th\u1ea5p nh\u01b0ng v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u00f3ng cao.
\nNh\u01b0\u1ee3c \u0111i\u1ec3m: R\u1ea5t \u0111\u1ed9c h\u1ea1i, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/p>\n

Dung d\u1ecbch m\u1ea1 k\u1ebdm Zincat<\/em><\/p>\n

C\u00f3 th\u00e0nh ph\u1ea7n \u0111\u01a1n gi\u1ea3n, thu\u1eadn ti\u1ec7n trong vi\u1ec7c s\u1eed d\u1ee5ng.<\/p>\n

\u01afu \u0111i\u1ec3m: L\u1edbp m\u1ea1 b\u00f3ng, m\u00e0ng th\u1ee5 \u0111\u1ed9ng kh\u00f3 bi\u1ebfn m\u00e0u.
\n\u00cdt \u0103n m\u00f2n thi\u1ebft b\u1ecb, thi\u1ebft b\u1ecb x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u01a1n gi\u1ea3n.<\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m: Kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 k\u00e9m h\u01a1n dung d\u1ecbch k\u1ebdm xianua. Khi m\u1ea1 \u1edf qu\u00e1 m\u1ee9c nhi\u1ec7t \u0111\u1ed9 c\u1ea7n thi\u1ebft, \u0111\u1ed9 gi\u00f2n l\u1edbp m\u1ea1 t\u0103ng l\u00ean.<\/p>\n

Dung d\u1ecbch m\u1ea1 k\u1ebdm mu\u1ed1i amon<\/em>
\nG\u1ed3m m\u1ed9t s\u1ed1 lo\u1ea1i dung d\u1ecbch NH4Cl, NH4Cl \u2013 N(CH2COOH)3, v\u00e0 dung d\u1ecbch NH4Cl-C6H8O7.<\/p>\n

\u01afu \u0111i\u1ec3m: T\u1ea1o n\u00ean l\u1edbp m\u1ea1 k\u1ebft tinh m\u1ecbn, b\u00f3ng, hi\u1ec7u su\u1ea5t d\u00f2ng \u0111i\u1ec7n cao.
\nT\u00f9y theo m\u1ed7i lo\u1ea1i, dung d\u1ecbch m\u1ea1 k\u1ebdm mu\u1ed1i amon c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 kh\u00e1c nhau: Dung d\u1ecbch NH4Cl c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 k\u00e9m nh\u1ea5t, dung d\u1ecbch NH4Cl \u2013 N(CH2COOH)3 c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 t\u1ed1t nh\u1ea5t.<\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m: \u0102n m\u00f2n thi\u1ebft b\u1ecb, x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f3.<\/p>\n

Dung d\u1ecbch m\u1ea1 k\u1ebdm kh\u00f4ng c\u00f3 mu\u1ed1i amon<\/em>
\nBao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n KCl, H3BO3, ZnCl2, ch\u1ea5t l\u00e0m b\u00f3ng v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia kh\u00e1c.<\/p>\n

\u01afu \u0111i\u1ec3m: L\u1edbp m\u1ea1 c\u00f3 k\u1ebft tinh nh\u1ecf, m\u1ecbn, b\u00f3ng, \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng t\u1ed1t, hi\u1ec7u su\u1ea5t d\u00f2ng \u0111i\u1ec7n cao, t\u1ed1c \u0111\u1ed9 k\u1ebft t\u1ee7a nhanh, ph\u1ea1m vi s\u1eed d\u1ee5ng r\u1ed9ng, x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n.<\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m: L\u1edbp m\u1ea1 th\u1ee5 \u0111\u1ed9ng trong dung d\u1ecbch crom th\u1ea5p, \u0111\u1ed9 b\u00e1m ch\u1eafc k\u00e9m, l\u1edbp m\u1ea1 qu\u00e1 d\u00e0y s\u1ebd khi\u1ebfn \u0111\u1ed9 gi\u00f2n t\u0103ng l\u00ean.<\/p>\n

L\u01b0u \u00fd khi s\u1eed d\u1ee5ng, b\u1ea3o qu\u1ea3n h\u00f3a ch\u1ea5t K\u1ebdm Xyanua<\/strong>
\nL\u01b0u \u00fd khi b\u1ea3o qu\u1ea3n l\u01b0u tr\u1eef K\u1ebdm Xyanua<\/em>
\nK\u1ebdm Xyanua \u0111\u1eb7t t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c c\u1ea7n ph\u1ea3i l\u01b0u tr\u1eef c\u1ea9n th\u1eadn, tr\u00e1nh g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng c\u0169ng nh\u01b0 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ecdi ng\u01b0\u1eddi xung quanh.
\nH\u00e3y \u0111\u1eb7t ch\u00fang t\u1ea1i nh\u1eefng n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp.
\nKho h\u00f3a ch\u1ea5t c\u1ea7n ph\u1ea3i t\u00e1ch ri\u00eang bi\u1ec7t \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p r\u00f2 r\u1ec9 ho\u1eb7c tr\u00e0n \u0111\u1ed5 h\u00f3a ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.
\nNh\u00e0 kho tr\u1eef h\u00f3a ch\u1ea5t ph\u1ea3i n\u1eb1m \u1edf xa khu d\u00e2n c\u01b0, tr\u00e1nh ngu\u1ed3n n\u01b0\u1edbc, n\u01a1i ch\u1ee9a n\u01b0\u1edbc sinh ho\u1ea1t cho d\u00e2n sinh hay tr\u1ed3ng tr\u1ecdt v\u00ec s\u1ebd l\u00e0m \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ee9c kh\u1ecfe.
\nS\u1eed d\u1ee5ng K\u1ebdm Xyanua c\u1ea7n l\u01b0u \u00fd nh\u1eefng \u0111i\u1ec1u g\u00ec<\/em>
\nKhi ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t K\u1ebdm Xyanua n\u00f3i ri\u00eang, c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t ng\u00e0nh xi m\u1ea1 kh\u00e1c n\u00f3i chung c\u1ea7n ph\u1ea3i trang b\u1ecb cho m\u00ecnh c\u00e1c c\u00f4ng c\u1ee5 s\u1eed d\u1ee5ng th\u00edch h\u1ee3p, trang thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

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

T\u00ean s\u1ea3n ph\u1ea9m: Zinc cyanide C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: Zn(CN)2 H\u00e0m l\u01b0\u1ee3ng: 55% Xu\u1ea5t x\u1ee9: H\u00e0n Qu\u1ed1c Quy c\u00e1ch: 15 kg\/th\u00f9ng …<\/p>\n","protected":false},"featured_media":1305,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[39],"product_tag":[],"class_list":{"0":"post-1301","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-hoa-chat-xi-ma","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product\/1301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/comments?post=1301"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/media\/1305"}],"wp:attachment":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/media?parent=1301"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product_cat?post=1301"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product_tag?post=1301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}