X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u00e0m l\u01b0\u1ee3ng v\u00e0ng trong qu\u1eb7ng v\u00e0ng l\u00e0 m\u1ed9t th\u1ee7 t\u1ee5c quan tr\u1ecdng \u0111\u1ec3 th\u0103m d\u00f2 t\u00e0i nguy\u00ean v\u00e0ng, l\u1ee3i \u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh luy\u1ec7n kim v\u00e0 \u0111\u00e1nh gi\u00e1 gi\u00e1 tr\u1ecb kinh t\u1ebf. V\u1edbi s\u1ef1 c\u1ea1n ki\u1ec7t d\u1ea7n d\u1ea7n c\u1ee7a t\u00e0i nguy\u00ean qu\u1eb7ng v\u00e0ng d\u1ec5 x\u1eed l\u00fd, t\u1ef7 l\u1ec7 qu\u1eb7ng v\u00e0ng ch\u1ed1ng ch\u00e1y ph\u1ee9c t\u1ea1p (ch\u1eb3ng h\u1ea1n nh\u01b0 qu\u1eb7ng silica cao, carbon cao v\u00e0 qu\u1eb7ng ph\u00e2n t\u00e1n vi m\u1ecbn) trong ph\u00e2n t\u00edch \u0111\u00e3 t\u0103ng \u0111\u00e1ng k\u1ec3, \u0111\u1eb7t ra y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch.<\/p>\n
Theo GB \/ T 29509.1-2025 Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch h\u00f3a h\u1ecdc cho carbon c\u00f3 t\u1ea3i v\u00e0ng - Ph\u1ea7n 1: X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng v\u00e0ng v\u00e0 b\u1ea1c, quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A500 Zeeman \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00f4ng qua trong b\u00e0i vi\u1ebft n\u00e0y. Do kh\u1ea3 n\u0103ng ch\u1ec9nh s\u1eeda n\u1ec1n tuy\u1ec7t v\u1eddi v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh xu\u1ea5t s\u1eafc c\u1ee7a n\u00f3, x\u00e1c nh\u1eadn ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng v\u00e0ng trong qu\u1eb7ng v\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n
D\u1ee5ng c\u1ee5: A500 Zeeman Flame Nh\u00e3n quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed<\/p>\n
Thu\u1ed1c ph\u1ea3n \u1ee9ng: Axit hydrochloric, axit nitric<\/p>\n
T\u00e0i li\u1ec7u tham kh\u1ea3o: GSB04-1715-2004 Gi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n v\u00e0ng<\/p>\n
Ch\u1ea5t li\u1ec7u tham kh\u1ea3o \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn: GBW (E) 070069 Ch\u1ea5t li\u1ec7u tham kh\u1ea3o \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn qu\u1eb7ng v\u00e0ng<\/p>","protected":false},"excerpt":{"rendered":"
Accurate determination of gold content in gold ore is a key procedure for gold resource exploration, beneficiation and metallurgy process optimization, and economic value evaluation. With the gradual depletion of easy-to-process gold ore resources, the proportion of complex refractory gold ores (such as high-silica, high-carbon, and micro-fine disseminated ores) in analysis has increased significantly, which […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-4473","post","type-post","status-publish","format-standard","hentry","category-petrochemical-and-chemical"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/comments?post=4473"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4473\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4473"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}