product description
    					
    				
    				
    					
The main purpose/Главные назначения
    				
    				
    					Sodium bisulfite is used for the bleaching of cotton fabrics and organic materials; and used as a reducing agent in dyestuff, papermaking, tanning, chemical synthesis and other industries. In the pharmaceutical industry, it is applied to produce intermediates of metamizole and aminopyrine; serves as bleaching agent, preservative, and antioxidant food grade products, and used as a plating additive in the treatment of chromium-containing waste water. 
    				
    				
    					
    					
Quality Standard/Стандарт качества