Specifications of Sodium Metabisulphite

Sodium Metabisulphite 64% Tech Grade
Sodium Metabisulphite (As SO2), %≥-----------------------------64
Fe %≤-------------------------------------------------------------0.005
Water-insoluble Matter%≤-----------------------------------------0.05
PH ----------------------------------------------------------------4.0-4.6
 
Sodium Metabisulphite 64% Food Grade
Sodium Metabisulphite (As SO2), %≥----------------------------64
Fe, %≤-----------------------------------------------------------0.005
Water-insoluble Matter, %≤--------------------------------------0.05
PH --------------------------------------------------------------4.0-4.6
Pb%≤------------------------------------------------------------0.002% As%≤------------------------------------------------------------0.0002%

Appearance : White powder