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Photographic Grades

Sodium Acetate Anhydrous

IS: 557 – 1988
Sodium acetate content: Anhydrous ( calculated as CH3COONa ), percent by Mass 98.5% Min
Insoluble matter, percent by Mass 0.5% w/w Max
Heavy metals ( as Pb ), percent by Mass 0.005% w/w Max
Iron ( as Fe ), percent by mass 0.005% w/w Max
Free alkali ( as NaOH ), percent by mass 0.04% w/w Max
Free acid ( as CH3COOH ), percent by mass 0.1% w/w Max
Chlorides ( as Cl ), percent by mass 0.2% w/w Max
Clarity of 10 percent solution Clear and Colourless

Sodium Acetate Trihydrate

IS: 557 – 1988
Sodium acetate content: Hydrated ( calculated as CH3OONa, 3H2O), percent by mass 98.5% Min
Insoluble matter, percent by Mass 0.3% w/w Max
Heavy metals ( as Pb ), percent by Mass 0.003% w/w Max
Iron ( as Fe ), percent by mass 0.003% w/w Max
Free alkali ( as NaOH ), percent by mass 0.02% w/w Max
Free acid ( as CH3COOH ), percent by mass 0.06% w/w Max
Chlorides ( as Cl ), percent by mass 0.2% w/w Max
Clarity of 10 percent solution Clear and Colourless