... white powdered crystals, specific gravity 1.532 (17°C), easily absorbs moisture, and forming a cake, soluble ... varies as the temperature increases, sublimes at 340°C. It appears strong corrosiveness. The product accords ... 0005% PH (200g/l liquor, 25 Degree C): 4.0-5.8 Moisture ≤ 0.5% Sulphate Content (as SO4) % ≤ 0 ... % PH (200g/l liquor, 25 degree C): 4.0-5.8 Moisture ≤ 0.5% Sulphate Content (as SO4) % ≤ 0 ...