Sodium Borax, Tetra

(Sodium Tetraborate, Decahydrate) Na2B4O7 .10H2O   FW. 381.37   CAS #1303-96-4 A.C.S. Specifications

Assay   99.5-105%
Calcium   0.005%
Chloride   0.001%
Insoluble Matter   0.005%
Iron (Fe)   5ppm
pH of 0.01M Solution @ 25°C   9.15-9.20
Other Heavy Metals (as Pb)   0.001%
Phosphate (PO4 )   0.001%
Sulfate (S04)   0.005%
SKU: 21130
Pack: 500 g
$42.50