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Photographers' Formulary Chrome Alum - 100 Grams

B&H # PHCA100G Mfr # 10-0390 100G
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You Pay: $9.95
Synonyms Chrome alum
Chromium and potassium sulfate
Potassium chromium sulfate
Appearance Dark violet-red crystals substance, or light violet powder
Uses Preparation of chrome alum fixing bath
Hardening agent for gelatin
Chemical Formula (SO4)3Cr2.K2SO4.24H2O
Notes Slightly toxic to moderately toxic

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