Magnesium Chloride as per IS: 254, Q3, Potassium, Dichromate, Potassium Permanganate as per IS 333, Sodium Chloride, Analytical Reagent as per IS: 4408, Sodium Nitrate as per IS: 12681, Sodium, Thiosulphate as per IS 14781, Starch as per IS 1005, Q4, Sodium fluoride, Extra Pure and AR/ ACS, Zinc, Acetate, Oxalic Acid as per IS: 501, Carbonate Anhydrous as per IS 296