Tetraborato di sodio decaidrato (BORAX) AGR, 500 g

di-Sodio tetraborato decaidrato (BORACE) AGR
Na2B4O7·10H2O
Borace
M.W: 381.37 CAS: 1303-96-4 EC: 215-540-4 TARIC: 28401990
EC INDEX: 005-011-01-1

Appearance Colourless crystals/ white powder
Assay 99.5 – 100.5%
Iron (Fe) ≤ 0.0005%
Insolubility in water ≤ 0.005%
pH (25°C) 9.15 – 9.20
Chloride (Cl–) ≤ 0.001%
Phosphate (PO4) ≤ 0.001%
Sulfates (SO4) ≤ 0.005%
Heavy metals (Pb) ≤ 0.001%
Calcium (Ca) ≤ 0.005%