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![[Post New]](/templates/default/images/icon_minipost_new.gif) 4 May 2007 08:28:28 IST
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What metals do colors indicate? | Color | Metal | | Red | Carmine: Lithium compounds. Masked by barium or sodium.
Scarlet or Crimson: Strontium compounds. Masked by barium.
Yellow-Red: Calcium compounds. Masked by barium. | | Yellow | Sodium compounds, even in trace amounts. A yellow flame is not indicative of sodium unless it persists and is not intensified by addition of 1% NaCl to the dry compound. | | White | White-Green: Zinc | | Green | Emerald: Copper compounds, other than halides. Thallium.
Blue-Green: Phosphates, when moistened with H2SO4 or B2O3.
Faint Green: Antimony and NH4 compounds.
Yellow-Green: Barium, molybdenum. | | Blue | Azure: Lead, selenium, bismuth, CuCl2 and other copper compounds moistened with hydrochloric acid.
Light Blue: Arsenic and come of its compounds.
Greenish Blue: CuBr2, antimony | | Violet | Potassium compounds other than borates, phosphates, and silicates. Masked by sodium or lithium.
Purple-Red: Potassium, rubudium, and/or cesium in the presence of sodium when viewed through a blue glass. | | Symbol | Name | Color | | As | Arsenic | Blue | | B | Boron | Bright Green | | Ba | Barium | Light green | | Ca | Calcium | Red-orange | | Cs | Cesium | Pale violet | | Cu(I) | Copper(I) | Blue | | Cu(II) | Copper(II) (non-halide) | Green | | Cu(II) | Copper(II) (halide) | Blue-green | | Fe | Iron | Gold | | In | Indium | Blue | | K | Potassium | Lilac | | Li | Lithium | Crimson | | Mn(II) | Manganese(II) | Yellowish green | | Mo | Molybdenum | Yellowish green | | Na | Sodium | Intense Yellow | | P | Phosphorus | Pale bluish green | | Pb | Lead | Pale green | | Rb | Rubidium | Pale violet | | Sb | Antimony | Pale green | | Se | Selenium | Azure blue | | Sr | Strontium | Crimson | | Te | Tellurium | Pale green | | Tl | Thallium | Pure green | | Zn | Zinc | Bluish green |
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