Present status and trend of China's phosphoric & compound fertilizer industry and phosphate industry;

Experimental study for defluorination of industrial phosphoric acid with sodium chloride and silicate

For the strict quality requirements for food grade phosphoric acid,the process flow and dearsenication,desulfhydrylation,decolorization and removal of easily oxidized substances for production of food grade phosphoric acid by continuous operation of industrial phosphoric acid are highlighted.

Evaluation of the Measurement Uncertainty for the Determination of Phosphoric acid contents in Phosphoric acid for industry use by Gravimetric Analysis

The method has high sensitivity,its precision and accuracy were both meet requirements,can be used in routine inspection of Lead in Phosphoric acid for industry use.

Based on the actual production of industrial hydrochloric acid,some improvement measures for the determination of sulfate radical were given.

This paper introduced the simply method of quickly determination on HCl content in industrial hydrochloric acid and discussed the disturbance of Fe 3+ upon the determination.

Epichlorohydrin was synthesized from alkali and glycerol dichlorohydrin which was synthesized from glycerol and industrial hydrochloric acid in the presence of catalyst and additive.

Determination of chloride from industrial grade phosphorous acid by electrochemical method;