The Ricca Chemical ammonium molybdate reagent with composition of 59.25% water, 38.83% sulfuric acid and 1.92% ammonium molybdate tetrahydrate is suitable for use in stannous chloride method (without extraction) in phosphorus determination. It can be stored at a temperature of 15 to 30 degree C. …

The Ricca Chemical ammonium molybdate reagent II with composition of 80.78% water, 15.37% sulfuric acid and 3.85% ammonium molybdate tetrahydrate is suitable for use in stannous chloride method (with extraction) in phosphorus determination. It can be stored at a temperature of 15 to 30 degree C. …