Paragraph 4 REAGENTS
Diluted hydrochloric acid (HCl) solution, about 6 M
4.1
Mix 1 volume of hydrochloric acid (r = 1.18 g/ml) with one volume of water.
Concentrated ammonia solution (NH4OH, r = 0.9 g/ml)
4.2
Diluted hydrochloric acid (HCl) solution, about 6 M
Mix 1 volume of hydrochloric acid (r = 1.18 g/ml) with one volume of water.
Concentrated ammonia solution (NH4OH, r = 0.9 g/ml)