Naphthalene-2-sulfonic acid so

Sodium Chloride

Methyl orange-xylene cyanol FF

Zinc sulfate heptahydrate

Aluminium solution 10 000 ppm,

Potassium sodium tartrate tetr

Lotoxane《

Potassium Bromide

Oxalic acid dihydrate

Octan-1-ol

1,10-Phenanthroline hydrate