Propertise Use
 
　　This reagent is colorless transparent or white crystallization,dissolve it in the chloroform a little (have another name called-),used in the food additive,acidity buffer,metal detergent,soft water pharmaceutical,the pigment precipitating agent.etc
 
Physicalproperfies
 
Formula 　　　　K2HPO2.3H2O
Weight 　　　　228.22
disslove it in water　　　　（25。C,6.3g/100ml）
the aqueous solotion is alkaline,hydrogen ion index
of1% of the aqueous solution is probably9.
 

Specification
(HG3-1228-79)
 
NAME (%) (%)
　　K2HPO4.3H2O 99.0 97.0
　　The aqueous solution reacts Qualified Qualified
　　Putty degree and test Qualified Qualified
　　Water insoluble matter 0.01 0.03
　　(Cl) 0.002 0.005
　　(SO4) 0.01 0.03
　　(NO3) 0.001 0.003
　　(Na) 0.05 0.10
　　(Mg) 0.001 0.001
　　(Fe) 0.001 0.003
　　(As) 0.0001 0.0003
　　Heavy metal(Pb) 0.001 0.003
 

Package and storage
 
   
  ※ 25kg/in bag　　500g/bottle
  ※ it should be stored in cool and centilated place and kept away from sunlight and rain.