Citric acid is colorless crystal or white crystalline powder, it is mainly used in food and beverage industry as sour agents, flavoring agents and preservatives, meantime, it is also as a antioxidants, plasticizers, detergent in the chemical industry, the cosmetics and the detergent industry, etc. Product index Appearance: colourless or white crystalline powder Taste and smell:little acid, no special smell Critic acid monohydrate (%):99.5-100.5 Sulphated ash:max.0.1% Sulphates:max.150ppm Moisture:7.5-8.8% Oxalates:max.150ppm Reducing sugars:max.0.05% Ph:5-7 Chlorides:max.50ppm Iron:max.50ppm Calcium:max.200ppm Heavy metal: max.5ppm Pb:max.1ppm As:max.1ppm Total plate count:max.3000 cfu pre gram Coliforms:max.30mpn per 100grams Pathogenic bacterium:negative Packing:25kgs, 1000kgs.Packed in paper or pp bag, customized sizes are also available. Storage:stored in dry and ventilated place, away from light. Shelf life:18 months