... acid, salt cake, pyrazolene, AH-salt, ammonium persulphate, gypsum, silver nitrate, ammonium phosphate, ammonium sulphate, ammonium thiosulphate, ion Exchange Resin ... nitrate, sodium perborate, sodium phosphate, citric acid, sodium sulphate, polysyrene, polyvinylacohol, sodium thiosulphate ... , pentaerythrite, plastic granules, glacial acetic acid, potassium chloride, potassium pensuphate, potassium ...