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flame-coloration tests
In mineral identification, qualitative tests made by moistening powdered material with hydrochloric acid, placing a few grains on platinum or nickel-chrome wire, and noting any color imparted to a blue Bunsen flame. Sodium gives a strong yellow flame; calcium, light red; strontium, crimson; barium, green; potassium, lilac; and copper, bluegreen.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)