Chromic acid 10% w/v ie 10ml of sulfuric acid requires 1g of potassium dichromate .
Chromic acid

  This is not an item but instructions

 Ingredients :

Sulfuric acid 98%

Potassium dichromate

Borosilicate glass bottle or glass beaker

Ratio:- for 20g sulfuric acid add 1g of potassium dichromate

Always add the acid first.

Mix/stir with a glass rod.

Generally only make as much as required per treatment or store in the borosilicate glass bottle.

Take general lab precautions- wear safety goggles, nitrile gloves. Read safety data sheet fro sulfuric acid and potassium dichromate before use.

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