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Photographers' Formulary Sodium Carbonate Monohydrate - 55 lbs

BH #PHSCM55LB • MFR #10-1195 55LB
Photographers' Formulary
Photographers' Formulary Sodium Carbonate Monohydrate - 55 lbs
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Expected availability: 2-4 weeks
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Photographers' Formulary 10-1195 55LB Overview

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.

Photographers' Formulary 10-1195 55LB Specs

SynonymsSoda
Sal soda
Soda ash
Washing soda
Carbonate
Carbonate of soda
Carbonic acid, disodium salt; disodium carbonate
Soda ash
AppearanceWhite, odorless granular powder that absorbs moisture from the air
UsesOne of the principle alkalies (accelerators) used in development
Chemical FormulaNa2CO3
NotesBalanced 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.

Photographers' Formulary 10-1195 55LB Reviews

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