Ammonium Dichromate

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Ammonium Dichromate (NH4)2Cr2O7

Ammonium dichromate has important uses in photography, used as an alternative to potassium dichromate,  it is a common inorganic chemical reagent.

Gum bichromate printing Carbon print to harden gum and gelatine when exposed to ultraviolet light. Used in the bleach solution in bromoils.

Handle with care: it is carcinogenic and corrosive Handle with gloves, eye protection and appropriate health and safety protection.