{"id":3648,"date":"2021-04-30T04:11:06","date_gmt":"2021-04-30T04:11:06","guid":{"rendered":"http:\/\/trangdoan.vn\/kythuatkimhoan\/?p=3648"},"modified":"2021-09-07T09:27:42","modified_gmt":"2021-09-07T09:27:42","slug":"luyen-kim-phan-3","status":"publish","type":"post","link":"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/","title":{"rendered":"LUY\u1ec6N KIM &#8211; PH\u1ea6N 3"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ad062c8bd1\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ad062c8bd1\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#NAU_CHAY\" >N\u1ea4U CH\u1ea2Y<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#Vang_tay\" >V\u00e0ng t\u00e2y<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#Phuong_phap_xac_dinh_ham_luong_vang_trong_hop_kim_vang\" >Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng v\u00e0ng trong h\u1ee3p kim v\u00e0ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#Phuong_phap_xac_dinh_ham_luong_nguyen_to_hop_kim\" >Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 h\u1ee3p kim<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#Chuyen_trong_luong_mau_kiem_tra_theo_trong_luong_vang_hoac_bac\" >Chuy\u1ec3n tr\u1ecdng l\u01b0\u1ee3ng m\u1eabu ki\u1ec3m tra theo tr\u1ecdng l\u01b0\u1ee3ng v\u00e0ng ho\u1eb7c b\u1ea1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#Vang_trang\" >V\u00e0ng tr\u1eafng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-3\/#Chat_tro_dung_va_chat_lam_sach\" >Ch\u1ea5t tr\u1ee3 dung v\u00e0 ch\u1ea5t l\u00e0m s\u1ea1ch<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"NAU_CHAY\"><\/span><span style=\"color: #000000;\">N\u1ea4U CH\u1ea2Y<\/span><span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 50%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-3648 gallery-columns-2 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/trangdoan.vn\/kythuatkimhoan\/da-cubic-zirconia-la-gi-nhung-dieu-can-biet-ve-da-cubic-zirconia-phan-1\/da-cubic-zirconia-la-gi-nhung-dieu-can-biet-ve-da-cubic-zirconia-phan-1-7\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2021\/03\/\u0110\u00c1-CUBIC-ZIRCONIA-L\u00c0-G\u00cc-NH\u1eeeNG-\u0110I\u1ec0U-C\u1ea6N-BI\u1ebeT-V\u1ec0-\u0110\u00c1-CUBIC-ZIRCONIA-PH\u1ea6N-1-7-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-3396\" srcset=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2021\/03\/\u0110\u00c1-CUBIC-ZIRCONIA-L\u00c0-G\u00cc-NH\u1eeeNG-\u0110I\u1ec0U-C\u1ea6N-BI\u1ebeT-V\u1ec0-\u0110\u00c1-CUBIC-ZIRCONIA-PH\u1ea6N-1-7-150x150.png 150w, https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2021\/03\/\u0110\u00c1-CUBIC-ZIRCONIA-L\u00c0-G\u00cc-NH\u1eeeNG-\u0110I\u1ec0U-C\u1ea6N-BI\u1ebeT-V\u1ec0-\u0110\u00c1-CUBIC-ZIRCONIA-PH\u1ea6N-1-7-75x75.png 75w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-3396'>\n\t\t\t\tCho kim lo\u1ea1i v\u00e0o \u0111\u1ec3 n\u1ea5u\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/trangdoan.vn\/kythuatkimhoan\/tong-quan-quy-trinh-che-tac-trang-suc\/tong-quan-quy-trinh-che-tac-trang-suc-11\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2020\/09\/T\u1ed5ng-quan-quy-tr\u00ecnh-ch\u1ebf-t\u00e1c-trang-s\u1ee9c-11-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-1732\" srcset=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2020\/09\/T\u1ed5ng-quan-quy-tr\u00ecnh-ch\u1ebf-t\u00e1c-trang-s\u1ee9c-11-150x150.jpg 150w, https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2020\/09\/T\u1ed5ng-quan-quy-tr\u00ecnh-ch\u1ebf-t\u00e1c-trang-s\u1ee9c-11-300x300.jpg 300w, https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2020\/09\/T\u1ed5ng-quan-quy-tr\u00ecnh-ch\u1ebf-t\u00e1c-trang-s\u1ee9c-11-75x75.jpg 75w, https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-content\/uploads\/2020\/09\/T\u1ed5ng-quan-quy-tr\u00ecnh-ch\u1ebf-t\u00e1c-trang-s\u1ee9c-11.jpg 740w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1732'>\n\t\t\t\tR\u00f3t kim lo\u1ea1i l\u1ecfng v\u00e0o khu\u00f4n\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u0110i\u1ec1u c\u01a1 b\u1ea3n l\u00e0 ho\u00e0n t\u1ea5t c\u00e1c t\u00ednh to\u00e1n th\u00e0nh ph\u1ea7n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u quy tr\u00ecnh h\u1ee3p kim h\u00f3a. Quan tr\u1ecdng nh\u1ea5t l\u00e0 t\u00ednh to\u00e1n l\u01b0\u1ee3ng h\u1ee3p kim c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi ti\u00eau chu\u1ea9n (\u0111\u1ed9 tinh khi\u1ebft) \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. N\u1ebfu b\u1ea1n ch\u01b0a hi\u1ec3u th\u1ebf n\u00e0o l\u00e0 \u0111\u1ed9 tinh khi\u1ebft, h\u00e3y xem l\u1ea1i b\u00e0i vi\u1ebft\u00a0t\u1ed5ng quan v\u1ec1 h\u1ee3p kim.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">H\u1ee3p kim th\u00f4ng d\u1ee5ng nh\u1ea5t trong kim ho\u00e0n l\u00e0 v\u00e0ng 18 karat (750). \u0110\u1ec3 t\u00ecm l\u01b0\u1ee3ng kim lo\u1ea1i g\u1ed1c c\u1ea7n thi\u1ebft, b\u1ea1n h\u00e3y nh\u00e2n l\u01b0\u1ee3ng v\u00e0ng tinh khi\u1ebft c\u1ea7n b\u1ed5 sung v\u1edbi 0.33.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">V\u00ed d\u1ee5, b\u1ea1n b\u1ed5 sung 24.75 g kim lo\u1ea1i c\u01a1 b\u1ea3n v\u00e0o 75g v\u00e0ng \u0111\u1ec3 c\u00f3 s\u1ed1 karat \u0111\u00fang cho v\u00e0ng h\u1ee3p kim.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">75 x 0.33 = 24.75 g h\u1ee3p kim<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">T\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng l\u00e0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">75 + 24.75 = 99.75 g v\u00e0ng 18 karat<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Vi\u1ec7c b\u1ed5 sung l\u01b0\u1ee3ng h\u1ee3p kim b\u1eb1ng 33.33% l\u01b0\u1ee3ng v\u00e0ng s\u1ebd \u0111\u1ea1t \u0111\u1ed9 tinh khi\u1ebft 750, t\u01b0\u01a1ng \u1ee9ng ti\u00eau chu\u1ea9n v\u00e0ng 18 karat. Nhi\u1ec1u c\u01a1 s\u1edf kim ho\u00e0n ch\u1ec9 b\u1ed5 sung 32% \u0111\u1ec3 c\u00f3 ti\u00eau chu\u1ea9n cao h\u01a1n \u0111\u00f4i ch\u00fat, \u0111\u1eb7c bi\u1ec7t khi h\u1ecd s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ly t\u00e2m.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Vang_tay\"><\/span><span style=\"color: #000000;\">V\u00e0ng t\u00e2y<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">V\u00e0ng t\u00e2y 18 karat th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u1ee3p kim h\u00f3a v\u1edbi m\u1ed9t n\u1eeda \u0111\u1ed3ng v\u00e0 m\u1ed9t n\u1eeda b\u1ea1c. Theo c\u00e1c t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea7n, v\u00e0ng t\u00e2y c\u00f3 th\u1ec3 c\u00f3 c\u00e1c m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 c\u1ee9ng kh\u00e1c nhau. B\u1ea3ng A tr\u00ecnh b\u00e0y c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim c\u1ee7a v\u00e0ng t\u00e2y. T\u0103ng h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed3ng s\u1ebd l\u00e0m cho v\u00e0ng t\u00e2y ng\u1ea3 sang m\u00e0u \u0111\u1ecf v\u00e0 c\u1ee9ng h\u01a1n, t\u0103ng h\u00e0m l\u01b0\u1ee3ng b\u1ea1c, v\u00e0ng t\u00e2y s\u1ebd chuy\u1ec3n sang m\u00e0u v\u00e0ng s\u00e1ng. Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c h\u1ee3p kim kh\u00e1c l\u00e0m cho v\u00e0ng t\u00e2y c\u00f3 c\u00e1c m\u00e0u s\u1eafc v\u00e0 \u0111\u1eb7c t\u00ednh kh\u00e1c nhau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>B\u1ea3ng A<\/strong><\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\"><strong>V\u00e0ng t\u00e2y<\/strong><\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\"><strong>Kim lo\u1ea1i<\/strong><\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\"><strong>Th\u00e0nh ph\u1ea7n<\/strong><\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\"><strong>S\u1ed1 ph\u1ea7n tr\u0103m<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"156\"><span style=\"color: #000000;\">V\u00e0ng \u00e1nh xanh<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">V\u00e0ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">100.0<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">B\u1ea1c<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">187<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">25.0<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">\u0110\u1ed3ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">62<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">8.0<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"156\"><span style=\"color: #000000;\">V\u00e0ng \u00e1nh v\u00e0ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">V\u00e0ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">100.0<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">B\u1ea1c<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">125<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">16.65<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">\u0110\u1ed3ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">125<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">16.65<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"156\"><span style=\"color: #000000;\">V\u00e0ng \u00e1nh \u0111\u1ecf<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">V\u00e0ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">100.0<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">B\u1ea1c<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">62<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">8.0<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">\u0110\u1ed3ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">187<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">25.0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Phuong_phap_xac_dinh_ham_luong_vang_trong_hop_kim_vang\"><\/span><span style=\"color: #000000;\">Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng v\u00e0ng trong h\u1ee3p kim v\u00e0ng<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u0110\u1ed1i v\u1edbi v\u00e0ng 18 karat, b\u1ea1n nh\u00e2n tr\u1ecdng l\u01b0\u1ee3ng v\u1edbi 750 v\u00e0 chia cho 1000.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Phuong_phap_xac_dinh_ham_luong_nguyen_to_hop_kim\"><\/span><span style=\"color: #000000;\">Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 h\u1ee3p kim<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Nh\u00e2n tr\u1ecdng l\u01b0\u1ee3ng v\u00e0ng nguy\u00ean ch\u1ea5t v\u1edbi 1000 v\u00e0 chia cho th\u00e0nh ph\u1ea7n h\u1ee3p kim, v\u00ed d\u1ee5 750 \u0111\u1ed1i v\u1edbi v\u00e0ng 18 karat.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Chuyen_trong_luong_mau_kiem_tra_theo_trong_luong_vang_hoac_bac\"><\/span><span style=\"color: #000000;\">Chuy\u1ec3n tr\u1ecdng l\u01b0\u1ee3ng m\u1eabu ki\u1ec3m tra theo tr\u1ecdng l\u01b0\u1ee3ng v\u00e0ng ho\u1eb7c b\u1ea1c<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">(Tr\u1ecdng l\u01b0\u1ee3ng m\u1eabu x tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a kim lo\u1ea1i h\u1ee3p kim) \/ (Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a m\u1eabu) = Tr\u1ecdng l\u01b0\u1ee3ng th\u1ecfi h\u1ee3p kim<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Vang_trang\"><\/span><span style=\"color: #000000;\">V\u00e0ng tr\u1eafng<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">V\u00e0ng tr\u1eafng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1ch b\u1ed5 sung 250 ph\u1ea7n ng\u00e0n h\u1ee3p kim ch\u1ee9a c\u00e1c t\u1ec9 l\u1ec7 palladi, b\u1ea1c v\u00e0 nikel kh\u00e1c nhau. V\u00e0ng tr\u1eafng c\u00f3 m\u00e0u v\u00e0ng r\u1ea5t nh\u1ea1t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u1ec3 \u0111i\u1ec7n ph\u00e2n c\u00f3 nguy\u00ean t\u1ed1 rhodium sau khi \u0111\u00e1nh b\u00f3ng. C\u00e1c h\u1ee3p kim th\u01b0\u1eddng d\u00f9ng \u0111\u01b0\u1ee3c n\u00eau trong b\u1ea3ng B d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>B\u1ea3ng B<\/strong><\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"4\" width=\"623\"><span style=\"color: #000000;\"><strong>C\u00e1c h\u1ee3p kim palladi trong v\u00e0ng tr\u1eafng<\/strong> (t\u00ednh theo ph\u1ea7n ng\u00e0n)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">V\u00e0ng<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">Pallidi<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">B\u1ea1c<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">\u0110\u1ed3ng<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">125<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">125<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">80<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">125<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">45<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">200<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">50<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">\u2013<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"156\"><span style=\"color: #000000;\">750<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">250<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">\u2013<\/span><\/td>\n<td width=\"156\"><span style=\"color: #000000;\">\u2013<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">V\u00e0ng tr\u1eafng (h\u1ee3p kim h\u00f3a v\u1edbi pallidi) r\u1ea5t m\u1ec1m, r\u1ea5t d\u1ec5 r\u00e8n, nh\u01b0ng kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 l\u00e0m d\u00e2y chuy\u1ec1n ho\u1eb7c c\u1ea9n\u00a0\u0111\u00e1 qu\u00fd. \u0110\u1ec3 h\u1ee3p kim h\u00f3a v\u1edbi pallidi b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng m\u1ecf \u0111\u1ed1t oxy-actylene, do qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi nhi\u1ec7t \u0111\u1ed9 kh\u00e1 cao.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Chat_tro_dung_va_chat_lam_sach\"><\/span><span style=\"color: #000000;\">Ch\u1ea5t tr\u1ee3 dung v\u00e0 ch\u1ea5t l\u00e0m s\u1ea1ch<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Sau khi h\u1ee3p kim h\u00f3a, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t l\u00e0m s\u1ea1ch v\u00e0 gi\u1eef h\u1ee3p kim kh\u00f4ng b\u1ecb oxy h\u00f3a. Ch\u1ea5t th\u01b0\u1eddng d\u00f9ng l\u00e0 borax, c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a b\u1ec1 m\u1eb7t v\u00e0 l\u00e0m t\u0103ng nh\u1eb9 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a h\u1ee3p kim.<\/span><br \/>\n<span style=\"color: #000000;\">C\u00e1c ch\u1ea5t tr\u1ee3 dung kh\u00e1c l\u00e0 mu\u1ed1i, nitrate v\u00e0 nitrate kali. Carbonate natri \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 l\u00e0m s\u1ea1ch m\u1ea1t gi\u0169a.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"color: #000000;\"><em>Ngu\u1ed3n: K\u1ef9 thu\u1eadt gia c\u00f4ng kim ho\u00e0n &amp; S\u01b0u t\u1ea7m<\/em><\/span><\/p>\n<p><span style=\"color: #000000;\">Nh\u1eefng b\u00e0i vi\u1ebft li\u00ean quan:<\/span><\/p>\n<p><a class=\"hnsa-a-tag\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-1\/\">LUY\u1ec6N KIM - PH\u1ea6N 1<\/a><\/p>\n<p><a class=\"hnsa-a-tag\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-2\/\">LUY\u1ec6N KIM - PH\u1ea6N 2<\/a><\/p>\n<p><a class=\"hnsa-a-tag\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-4\/\">LUY\u1ec6N KIM - PH\u1ea6N 4<\/a><\/p>\n<p><span style=\"color: #0000ff;\"><a class=\"hnsa-a-tag\" href=\"https:\/\/trangdoan.vn\/kythuatkimhoan\/luyen-kim-phan-5\/\">LUY\u1ec6N KIM - PH\u1ea6N 5<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ea4U CH\u1ea2Y \u0110i\u1ec1u c\u01a1 b\u1ea3n l\u00e0 ho\u00e0n t\u1ea5t c\u00e1c t\u00ednh to\u00e1n th\u00e0nh ph\u1ea7n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u quy tr\u00ecnh h\u1ee3p kim h\u00f3a. Quan tr\u1ecdng nh\u1ea5t l\u00e0 t\u00ednh to\u00e1n l\u01b0\u1ee3ng h\u1ee3p kim c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi ti\u00eau chu\u1ea9n (\u0111\u1ed9 tinh khi\u1ebft)&#8230;<\/p>\n","protected":false},"author":4,"featured_media":3770,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63,61],"tags":[],"yst_prominent_words":[],"class_list":["post-3648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kien-thuc","category-kien-thuc-kim-hoan"],"_links":{"self":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts\/3648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/comments?post=3648"}],"version-history":[{"count":15,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts\/3648\/revisions"}],"predecessor-version":[{"id":3794,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts\/3648\/revisions\/3794"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/media\/3770"}],"wp:attachment":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/media?parent=3648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/categories?post=3648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/tags?post=3648"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/yst_prominent_words?post=3648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}