Photographers' Formulary Sodium Carbonate Monohydrate - 55 lbs
Photographers' Formulary Sodium Carbonate Monohydrate - 55 lbs
B&H # PHSCM55LB MFR # 10-1195 55LB
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- 1Description
Sodium Carbonate from Photographer's Formulary is commonly available in anhydrous and monohydrous forms. The crystalline form is available as Arm & Hammer Washing Soda, which is sodium carbonate decahydrate (use the yellow, unscented box). This can be safely substituted in almost all formulas calling for carbonate.
- 1Description
| Synonyms |
Soda Sal soda Soda ash Washing soda Carbonate Carbonate of soda Carbonic acid, disodium salt; disodium carbonate Soda ash |
| Appearance | White, odorless granular powder that absorbs moisture from the air |
| Uses | One of the principle alkalies (accelerators) used in development |
| Chemical Formula | Na2CO3 |
| Notes |
Balanced Alkali (Kodalk) can be used as a substitute for carbonate or vice versa. Cautions: Sodium carbonate releases a gas when added to an acid stop bath or an acid fixing bath; this gas may cause pinholes, or "blistering," to develop in film emulsions. |
