chrome alum

Chrome alum was used in the past.

Chrome alum, also known as chromium potassium sulfate, is a chemical compound.

It is also used as a mordant for dyeing pigments, in the manufacturing of alizarin, chrome alum, leather tanning and oil purification.

This kind of reaction is also observed with solutions of chrome alum and other water-soluble chromium(III) salts.

Chrome alum or Chromium(III) potassium sulfate is the potassium double sulfate of chromium.

Chromium(III) salts, especially chrome alum and chromium(III) sulfate, are used in the tanning of leather.

Mordants include tannic acid, alum, urine, chrome alum, sodium chloride, and certain salts of aluminium, chromium, copper, iron, iodine, potassium, sodium, and tin.

Add 25g of chrome alum to gelatin and stir NOTE: carefully read the MSDS for chrome alum.