AVA Chemicals [P] Ltd. Offers Pure Grade Potassium Acetate. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Pure Grade Potassium Acetate has white crystals like appearance. The pH of this product in 5% Solution is 7.5 to 8.5. It suffers maximum 1% loss on Drying. Pure Grade Potassium Acetate contains maximum 250 PPM of chlorides and Sulphate and the assay of this chemical is minimum 99%.