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A flame test is an analytical procedure that can determine the presence of certain elements.

ProcedureEdit

A flame test is carried out by placing a sample on a clean wire (commonly made out of platinum or nichrome), and placing it in a hot non-luminous flame (one that does not exhibit black-body radiation). 


Flame Coloration Chart (From CRC Handbook of Chemistry and Physics)Edit

VioletEdit

Potassium (masked easily)

AzureEdit

Copper halides

Light blueEdit

Arsenic, selenium, cesium, lead

EmeraldEdit

Copper non-halides

Ytterbium metal powder

Pure greenEdit

Boron, tellurium, thallium

Yellowish-greenEdit

Barium

Bluish-greenEdit

Phosphates with sulfuric acid

Whitish-greenEdit

Zinc metal

Feeble greenEdit

Antimony, ammonium

YellowEdit

Sodium (masks everything, invisible through blue glass)

OrangeEdit

Calcium (greenish through blue glass, green through green glass, masked by barium)

ScarletEdit

Strontium (violet through blue glass, yellowish through green glass, masked by barium)

CarmineEdit

Lithium (violet through blue glass, invisible through green glass, masked by barium)

PinkEdit

Samarium metal

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