NILE CHEMICALS

 

BORAX( DI-sodium Tetraborate )
Certificate of Analysis
Buffer Substance  
   
NA2B4O7, 10H2O M.W. 381.37
Assay 99.5- 102.5%
   
Maximum Limits of Impurities:  
Insoluble matter 0.003%
Boric Oxide(B2O3) 0.2%
Sodium Oxide (Na2O) 0.2%
Carbonate(CO3) 0.05%
Chloride (CI) 0.0005%
Phosphate(PO4) 0.001%
Sulphate(SO4) 0.0025%
Arsenic(As) 0.0002%
Calcium(Ca) 0.002%
Copper(Cu) 0.0005%
Iron(Fe) 0.0005%
Lead(Pb) 0.0005%
Magnesium(Mg) 0.002%
   
CAS No: 1303-96-4  
   

 

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