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 |