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Photographers' Formulary Sodium Sulfite (Anhydrous, 1 lb)

BH #PHSSLBZ • MFR #10-1340 1LB
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Photographers' Formulary Sodium Sulfite (Anhydrous, 1 lb)
Key Features
  • Common Developing Agent Preservative
  • Energizer for Amidol Developer
  • Used in Acid Fixing Bath
  • Blackener for Negative Intensification
This is 1 lb of anhydrous Sodium Sulfite from Photographers' Formulary. It is most commonly used as a preservative in developing agents and is also an active energizer in Amidol development. It is also used within acid fixing baths and as a blackener for negative intensification processes.
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Photographers' Formulary 10-1340 1LB Overview

This is 1 lb of anhydrous Sodium Sulfite from Photographers' Formulary. It is most commonly used as a preservative in developing agents and is also an active energizer in Amidol development. It is also used within acid fixing baths and as a blackener for negative intensification processes.

UPC: 675152134035

Photographers' Formulary 10-1340 1LB Specs

Synonyms
Sulfite of Soda
Sodium sulfite anhydrous
Disodium sulfite
Sulfurous acid, disodium salt
Exsiccated sodium sulfite
Appearance
White granular crystals or powder
Uses
As a preservative of developing agents
Constituent of the acid fixing bath
Blackener in negative intensification
Active energizer in Amidol development
To clear Polaroid Type 55 black & white negatives
Chemical Formula
Na2SO3
Notes
Sodium sulfite is the most widely used preservative in developers. It also plays an important part in the process itself.
Weight
1 lb / 453.6 g
Packaging Info
Package Weight
1.09 lb
Box Dimensions (LxWxH)
5 x 3.05 x 3.05"

Photographers' Formulary 10-1340 1LB Reviews

Photo developing permanent wash

By John
Rated 5 out of 5
Date: 2025-03-11

Mix your own permanent wash at a fraction of the price

Good Product

By Richard
Rated 5 out of 5
Date: 2022-08-18

Used to make chemistry for B&W development and it works great.

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