无水乙酸钠,(Reag. Ph. Eur.) ACS,≥99.0%

4.198528
Sodium Acetate anhydrous
ACS, Reag. Ph Eur
CH3COONa           M.=82.03
CAS No.            127-09-3
 
Minimum assay (Perchl. Ac.)       99.0 %
pH of 5% solution                 7.5 - 9.2
MAXIMUM LIMIT OF IMPURITIES
insol. matter in H2O              0.005 %
loss on drying at 120 °C         1.0 %
Chloride (Cl)                     0.002 %
Ammonium (NH4)                    0.001 %
Phosphate (PO4)                   0.001 %
Sulphate (SO4)                    0.003 %
Heavy metals (as Pb)              0.001 %
Al           0.001 %              Fe           0.0005 %
As           0.0001 %             K            0.02 %
Ca           0.002 %              Mg           0.001 %
Cd           0.0005 %             Ni           0.0005 %
Co           0.0005 %             Pb           0.0005 %
Cu           0.0005 %             Zn           0.0005 %