Sodium thiosulfate anhydrous,

Potassium oxalate monohydrate,

Potassium thiocyanate

Methyl Red

Lanthanum chloride heptahydrat

Benzoic Acid

Urea

Sodium Carbonate

Copper(II) sulfate pentahydrat

Zinc sulfate heptahydrate

Ammonium molybdate tetrahydrat