Gas yield ( L/ Kg) 295MIN
PH3 ( % ) 0.08MAX
H2S ( % ) 0.10MAX

CrO3 ( % ) 99.5 Min 99.7 Min
SO4 ( % ) 0.15 Max 0.06 Max
Water Insoluble ( % ) 0.05 Max 0.02 Max

Cr2O3( % ) 99 Min
Moisture( % ) 0.3 Max
Water soluble( % ) 0.4 Max
Oil absorption( % ) g/ 100g 25 Max
Mesh Residue( % ) 45Â µ m 0.3 Max

Sodium Silicate ( % ) 99MIN 99MIN 99MIN
Fe( % ) 0.036MAX 0.021MAX 0.025MAX
Module ( M) 3.1-3.4 2.2-2.5 2.6-2.9

common sodium sulphide
sodium sulphide with low ferric
purified sodiumn sulphide anhydrous
crystal sldium sophide

Na2CO3( % ) 98.5MIN 99.2MIN
NaCl ( % ) 0.9MAX 0.7MAX
Fe ( % ) 0.006MAX 0.004MAX
Water insolubles ( % ) 0.1MAX 0.04MAX

Content( % ) 70MIN
Sodium sulphide( % ) 3MAX
Sodium sulphite( % ) 1.5MAX
Ferrum( % ) 0.003MAX
Sodium carbonate( % ) 1MAX
Water insolubles( % ) 0.005MAX

NaOH( % ) 96MIN 98MIN 99MIN
Na2CO3 ( % ) 1.0MAX 0.9MAX 0.8MAX
NaCl( % ) 3.2MAX 1.0MAX 0.12MAX
Fe3O3 ( % ) 0.02MAX 0.02MAX 0.01MAX

NaHCO3( % ) 99MIN
Pb( % ) 0.0005MAX
Moisture( % ) 0.2MAX
As( % ) 0.0001MAX
PH( % ) 8.6 MAX

Cr2O3( % ) 24-26 21-23 21-23
Basicity( % ) 32-34 38-42 32-34
Fe( % ) 0.1 MAX 0.1MAX 0.1MAX
Water insolubles( % ) 0.1 MAX 0.1MAX 0.1MAX
Na2SO4 ( % ) 34.5 34.5 34.5