{"id":3785,"date":"2026-03-21T08:55:36","date_gmt":"2026-03-21T08:55:36","guid":{"rendered":"https:\/\/npk1169-001-site1.mtempurl.com\/?p=3785"},"modified":"2026-04-13T07:35:59","modified_gmt":"2026-04-13T07:35:59","slug":"flame-tests-coloured-fire","status":"publish","type":"post","link":"https:\/\/www.bharatwisdom.com\/hi\/physics-and-chemistry\/flame-tests-coloured-fire\/","title":{"rendered":"\u091c\u094d\u0935\u093e\u0932\u093e \u092a\u0930\u0940\u0915\u094d\u0937\u0923 (\u0930\u0902\u0917\u0940\u0928 \u0905\u0917\u094d\u0928\u093f) \u2013 \u0905\u0917\u094d\u0928\u093f \u0915\u0947 \u0930\u0902\u0917\u094b\u0902 \u0915\u094b \u092a\u0922\u093c\u0928\u093e"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1279.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p id=\"p-rc_2d99851739bfeb4f-1641\" data-path-to-node=\"40\"><span data-path-to-node=\"40,0\"><b data-path-to-node=\"40,0\" data-index-in-node=\"0\">\u0905\u0935\u0927\u093e\u0930\u0923\u093e<\/b> <\/span><span data-path-to-node=\"40,2\"><span class=\"citation-7361\">Different metals burn in different hues<\/span><\/span><span data-path-to-node=\"40,4\">. <\/span><span data-path-to-node=\"40,6\"><span class=\"citation-7360\">For example, sodium burns yellow, while copper burns green\/blue<\/span><\/span><span data-path-to-node=\"40,8\">. <\/span><span data-path-to-node=\"40,10\"><span class=\"citation-7359\">This is a key strategy for distinguishing between them<\/span><\/span><span data-path-to-node=\"40,12\">.<\/span><\/p>\n<p id=\"p-rc_2d99851739bfeb4f-1642\" data-path-to-node=\"41\"><span data-path-to-node=\"41,0\"><b data-path-to-node=\"41,0\" data-index-in-node=\"0\">\u0915\u0939\u093e\u0928\u0940<\/b> <\/span><span data-path-to-node=\"41,2\"><span class=\"citation-7358\">If you walked into an Indian metallurgy lab in 800 CE, you would see chemists identifying metals by the color of their fire<\/span><\/span><span data-path-to-node=\"41,4\">. <\/span><span data-path-to-node=\"41,6\"><span class=\"citation-7357\">\u092e\u0947\u0902 <\/span><i data-path-to-node=\"41,6\" data-index-in-node=\"7\"><span class=\"citation-7357\">Rasarnava<\/span><\/i><span class=\"citation-7357\">, they documented that copper burns with a blue flame, tin with a &#8220;pigeon-colored&#8221; flame, and lead with a pale hue<\/span><\/span><span data-path-to-node=\"41,8\">. <\/span><span data-path-to-node=\"41,10\"><span class=\"citation-7356\">This qualitative chemical analysis was happening over a thousand years before Robert Bunsen formalized the &#8220;Bunsen Burner&#8221; flame test in 1860<\/span><\/span><span data-path-to-node=\"41,12\">. <\/span><span data-path-to-node=\"41,14\"><span class=\"citation-7355\">It is the exact same science that paints the sky with colors during Diwali today and allows modern astronomers to identify the elements in distant stars<\/span><\/span><span data-path-to-node=\"41,16\">.<\/span><\/p>\n<p data-path-to-node=\"42\"><b data-path-to-node=\"42\" data-index-in-node=\"0\">\u0938\u092e\u092f\u0930\u0947\u0916\u093e<\/b><\/p>\n<table data-path-to-node=\"43\">\n<thead>\n<tr>\n<td><strong>\u092e\u0940\u0932 \u0915\u093e \u092a\u0924\u094d\u0925\u0930<\/strong><\/td>\n<td><strong>\u0935\u093f\u0935\u0930\u0923<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"43,1,0,0\"><b data-path-to-node=\"43,1,0,0\" data-index-in-node=\"0\">\u092a\u0936\u094d\u091a\u093f\u092e\u0940 \u0938\u0902\u0926\u0930\u094d\u092d.<\/b><\/span><\/td>\n<td>\n<p id=\"p-rc_2d99851739bfeb4f-1643\" data-path-to-node=\"43,1,1,0\"><span data-path-to-node=\"43,1,1,0,1\"><span class=\"citation-7354\">1860 CE (Bunsen &amp; Kirchhoff) <\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"43,2,0,0\"><b data-path-to-node=\"43,2,0,0\" data-index-in-node=\"0\">\u092d\u093e\u0930\u0924\u0940\u092f \u0938\u094d\u0930\u094b\u0924<\/b><\/span><\/td>\n<td>\n<p id=\"p-rc_2d99851739bfeb4f-1644\" data-path-to-node=\"43,2,1,0\"><span data-path-to-node=\"43,2,1,0,1\"><span class=\"citation-7353\">800 CE (<\/span><i data-path-to-node=\"43,2,1,0,1\" data-index-in-node=\"8\"><span class=\"citation-7353\">Rasarnavam<\/span><\/i><span class=\"citation-7353\">, <\/span><i data-path-to-node=\"43,2,1,0,1\" data-index-in-node=\"20\"><span class=\"citation-7353\">Rasarnava<\/span><\/i><span class=\"citation-7353\">) <\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"43,3,0,0\"><b data-path-to-node=\"43,3,0,0\" data-index-in-node=\"0\">\u0915\u093e\u0932 \u0905\u0902\u0924\u0930\u093e\u0932<\/b><\/span><\/td>\n<td>\n<p id=\"p-rc_2d99851739bfeb4f-1645\" data-path-to-node=\"43,3,1,0\"><span data-path-to-node=\"43,3,1,0,1\"><span class=\"citation-7352\">\u090f\u0915 \u0939\u091c\u093e\u0930 \u0938\u093e\u0932 \u0938\u0947 \u092d\u0940 \u0905\u0927\u093f\u0915 <\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"44\"><b data-path-to-node=\"44\" data-index-in-node=\"0\">\u092e\u0942\u0932 \u092a\u093e\u0920<\/b><\/p>\n<blockquote data-path-to-node=\"45\">\n<p id=\"p-rc_2d99851739bfeb4f-1646\" data-path-to-node=\"45,0\"><span data-path-to-node=\"45,0,0\"><b data-path-to-node=\"45,0,0\" data-index-in-node=\"0\">\u0938\u0902\u0938\u094d\u0915\u0943\u0924 \u0936\u094d\u0932\u094b\u0915:<\/b> \u0936\u0941\u0932\u094d\u092c\u0947\u0928 \u0928\u0940\u0932\u0935\u0930\u094d\u0923\u0947\u0928 \u0915\u092a\u094b\u0924\u0947\u0928 \u091a \u0935\u0919\u094d\u0917\u0915\u092e\u094d \u0964 <\/span><span data-path-to-node=\"45,0,2\"><span class=\"citation-7351\">\u0939\u0930\u093f\u0924\u093e\u0932\u0947\u0928 \u0935\u0930\u094d\u0923\u0947\u0928 \u091c\u094d\u091e\u093e\u092f\u0924\u0947 \u0938\u0930\u094d\u0935\u0932\u094b\u0939\u0915\u092e\u094d \u0965 <\/span><\/span><\/p>\n<p data-path-to-node=\"45,0\"><span data-path-to-node=\"45,0,4\"> <b data-path-to-node=\"45,0,4\" data-index-in-node=\"1\">\u0932\u093f\u092a\u094d\u092f\u0902\u0924\u0930\u0923:<\/b> \u015aulbena n\u012blavar\u1e47ena kapotena ca va\u1e45gakam | Harit\u0101lena var\u1e47ena j\u00f1\u0101yate sarvalohakam || <\/span><span data-path-to-node=\"45,0,6\"><span class=\"citation-7350\">Rasarnava (4.51) \u2018Shulbena nila&#8230;\u2019 (Copper yields a blue flame&#8230;) <\/span><\/span><span data-path-to-node=\"45,0,8\">. <\/span><\/p>\n<p data-path-to-node=\"45,0\"><span data-path-to-node=\"45,0,10\"><b data-path-to-node=\"45,0,10\" data-index-in-node=\"0\"><span class=\"citation-7349\">\u0905\u0930\u094d\u0925:<\/span><\/b><span class=\"citation-7349\"> &#8220;Copper (Shulba) is known by a blue flame; Tin (Vanga) by a pigeon-colored (grey\/white) flame&#8230; By the color of the flame (with yellow orpiment), all metals can be identified.&#8221; <\/span><\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/blockquote>\n<p id=\"p-rc_2d99851739bfeb4f-1647\" data-path-to-node=\"46\"><span data-path-to-node=\"46,0\"><b data-path-to-node=\"46,0\" data-index-in-node=\"0\">\u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0928\u0935\u093e\u091a\u093e\u0930<\/b> <\/span><span data-path-to-node=\"46,2\"><span class=\"citation-7348\">The <\/span><i data-path-to-node=\"46,2\" data-index-in-node=\"4\"><span class=\"citation-7348\">Kautukachintamani<\/span><\/i><span class=\"citation-7348\"> (c. 15th century CE) documented formulae for creating coloured pyrotechnics for celebrations using metal salts<\/span><\/span><span data-path-to-node=\"46,4\">. <\/span><span data-path-to-node=\"46,6\"><span class=\"citation-7347\">The <\/span><i data-path-to-node=\"46,6\" data-index-in-node=\"4\"><span class=\"citation-7347\">\u0905\u0930\u094d\u0925\u0936\u093e\u0938\u094d\u0924\u094d\u0930<\/span><\/i><span class=\"citation-7347\"> (about 300 BCE) used Flame Colour Tests, instructing assayers to examine the colour of burnt metal to detect imperfections in gold and silver coinage<\/span><\/span><span data-path-to-node=\"46,8\">.<\/span><\/p>\n<p id=\"p-rc_2d99851739bfeb4f-1648\" data-path-to-node=\"47\"><span data-path-to-node=\"47,0\"><b data-path-to-node=\"47,0\" data-index-in-node=\"0\">\u092e\u091c\u0947\u0926\u093e\u0930 \u0924\u0925\u094d\u092f<\/b> <\/span><span data-path-to-node=\"47,2\"><span class=\"citation-7346\">This is the exact same chemistry used to create colours in Diwali fireworks today<\/span><\/span><span data-path-to-node=\"47,4\">.<\/span><\/p>\n<p id=\"p-rc_2d99851739bfeb4f-1649\" data-path-to-node=\"48\"><span data-path-to-node=\"48,0\"><b data-path-to-node=\"48,0\" data-index-in-node=\"0\">\u0906\u0927\u0941\u0928\u093f\u0915 \u0935\u093f\u0930\u093e\u0938\u0924<\/b> <\/span><span data-path-to-node=\"48,2\"><span class=\"citation-7345\">This concept underpins spectroscopy, which is the study of light from stars to determine their composition<\/span><\/span><span data-path-to-node=\"48,4\">.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[204,299,266,302,300,301],"class_list":["post-3785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-physics-and-chemistry","tag-chemistry","tag-flame-tests","tag-metallurgy","tag-pyrotechnics","tag-rasarnava","tag-spectroscopy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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