主要用于食品、饮料行业作为酸味剂、调味剂及防腐剂、保鲜剂。 还在化工行业、化妆品行业及洗涤行业中用作抗氧化剂、增塑剂、洗涤剂。 无色半透明的结晶或白色的颗粒,或白色结晶状粉末,常含一分子结晶水,无臭,味极酸,溶于水、醇和乙醚。其钙盐在冷水中比热水中易溶解,此性质常用来鉴定和分离柠檬酸。结晶时控制适宜的温度可获得无水柠檬酸。水溶液呈酸性。在干燥空气中微有风化性,在潮湿空气中有潮解性。175℃以上分解放出水及二氧化碳。 25公斤包装。 Is mainly used in food and beverage industry as sour agent, flavouring agent, preservative and antistaling agent. Also in the chemical industry, cosmetics industry, and used as antioxidant, plasticizer and detergent in the washing industry. Colorless transparent crystals or white granules, or white crystalline powder, often contain a molecular crystal water, odourless, taste very acid, soluble in water, alcohol and ether. The calcium salt easy dissolve in hot water than in cold water, commonly used to identify this nature and the separation of citric acid. Crystallization in control the suitable temperature anhydrous citric acid can be obtained. Acidic aqueous solution. Micro have to weathering in dry air, deliquescence in moist air. More than 175 ℃ decomposition release water and carbon dioxide. 25 kg packing. |