Na2 Cr2O7. 2H2O M.W.298.00
ASSAY ....................... min 99.5%
CHLORIDE (Cl) ............... max 0.001%
SULPHATE (SO4) .............. max 0.01%
Wt/ml(20?C) ................. 0.960-0.962g
IRON (Fe) ................... max 0.002%
HEAVY METALS (Pb) ........... max 0.002%
COPPER (Cu) ................. max 0.002%
POTASSIUM (K) ............... max 0.001%