Photographers' Formulary Sodium Sulfite (Anhydrous, 20 lb)

Photographers' Formulary Sodium Sulfite (Anhydrous, 20 lb)

Photographers' Formulary Sodium Sulfite (Anhydrous, 20 lb)

B&H # PHSS20LBZ MFR # 10-1343 20LB
Photographers' Formulary Sodium Sulfite (Anhydrous, 20 lb)

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Product Highlights

  • Common Developing Agent Preservative
  • Energizer for Amidol Developer
  • Used in Acid Fixing Bath
  • Blackener for Negative Intensification

Weight: 20 lb

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  • 1Description

This is 20 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: 675152134318
Table of Contents
  • 1Description
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 20 lb / 9.1 kg
Packaging Info
Package Weight 21.26 lb
Box Dimensions (LxWxH) 10.25 x 9.25 x 9.25"

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