N,N,N',N'-Tetramethyl-p-phenyl

8-Anilinonaphthalene-1-sulfoni

Lead

Manganese solution 1000 ppm

Ammonium iron(II) sulfate hexa

Naphthalene-2-sulfonic acid so

Sodium Chloride

Methyl orange-xylene cyanol FF

Zinc sulfate heptahydrate

Aluminium solution 10 000 ppm,

Potassium sodium tartrate tetr