关键词: 磷酸, 净化, 湿法, 化工行业标准

Abstract: Drawing-up procedure,job schedule,work content,and project establishment background of Industrial Purified Wetprocess Phosphoric Acid Standard (HG/T 4069—2008) were briefly introduced.Main indexes of Industrial Purified Wetprocess Phosphoric Acid Standard was compared with those of Industrial Phosphoric Acid Standard (GB/T 2091—2008).Results showed that the indexes set up in Industrial Purified Wetprocess Phosphoric Acid Standard are reasonable,they can meet the requirements of manufacturers and consumers in China,and the experiment method is scientific and accurate.In addition,this standard also has many advantages,such as:1)low producing cost and good economic benefits;2)energy conservation,emission reduction,and green production;3)technical innovation and advanced standard;4)win-win of enterprises and users,as well as the social benefit.

Key words: phosphoric acid, purification, wet method, chemical industry standard