Sodium

Grade : Technical

Molecular Formula : Na H SO3

Molecular Weight : 104

Density : 1.345-50

pH Value of 5% Solution : 4 to 4.5

Grade : Technical

Molecular Formula : Na2S2O5

Molecular Weight : 190.10

Assay as (Na2S2O5) : 95 % Min.

Assay as (SO2) : 64 % Min.

Grade : Technical

Formula : (Na2) S2O3

Molecular Weight : 158

Assay as (Na2)S2O3 : 99 % Min.

20 % Solubility : Clear

Grade : Technical

Molecular Formula : CH2 (OH) SO3Na

Molecular Weight : 134.1

10 % Solubility : Clear

Formaldehyde : Negative

Grade : Technical

Appearance : White Free Flowing Crystalline Material

10 % Solution : Clear and colorless

pH : 8 to 10

Free Alkali : 0.02 % Min.

Grade : Technical

Formula : (Na2) S2O3

Molecular Weight : 158

Assay as (Na2)S2O3 : 99 % Min.

20 % Solubility : Clear

Grade : Technical

Formula : NH4HSO3

Molecular Weight : 99

Physical Appearance : Clear, Yellow Coloured Solution Free from Foreign Particles

Ammonium Bisulphite NH4HSO3 percentage by mass : 65% Min.

Grade : Technical

Molecular Formula : Na2CO3

Molecular Weight : 106

Total alkalinity (As Na2CO3) : 99 %

Insoluble Matter in Water Percent By Mass Max : 0.05 %

Grade : Technical

Formula : (Na2) S2O3 5 H2O

Molecular Weight : 248

Assay as (Na2)S2O3 : 97 % Min.

pH of 10 % Solution : 6.5 To 9.5