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