Photographers' Formulary 10g Anhydrous Sodium Sulfite
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Photographers' Formulary 10g Anhydrous Sodium Sulfite

SKU: PYSSUT10G MFR: 10-1340 10G
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$3.95
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Key Features

  • Achieve archival quality: Sodium Sulfite ensures long-lasting black and white prints.
  • Use as a developing agent preservative, extending the life of your darkroom chemicals.
  • A key constituent for acid fixing baths, vital for film and print processing needs.
  • Enhance negatives with our blackener, perfect for negative intensification projects.
  • Energize Amidol development; Sodium Sulfite boosts image quality and consistency.
  • Clear Polaroid Type 55 B&W negatives effectively with this high-quality sulfite.
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Special Order?Estimated to Ship: 09/09/2025
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Reviews about this item

Review Summary

2021-02-15T07:29:22

Rated 5 out of 5

Use it regularly for photographic emulsion

One of my key ingredients for dry plate photographic emulsion. Perfectly inert gelatin, which allows me to carefully control sensitization.

Jason L.

Photographers' Formulary Sodium Sulfite Specifications

  • 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

  • Weight

    10g (0.35oz)

  • UPC Code

    675152134011

About Photographers' Formulary Sodium Sulfite

FEATURED REVIEWS

Use it regularly for photographic emulsion

By Jason L.

One of my key ingredients for dry plate photographic emulsion. Perfectly inert gelatin, which allows me to carefully control sensitization.

Sodium Sulfite 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

Note:

Sodium sulfite is the most widely used preservative in developers. It also plays an important part in the process itself.

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Key Features

  • Achieve archival quality: Sodium Sulfite ensures long-lasting black and white prints.
  • Use as a developing agent preservative, extending the life of your darkroom chemicals.
  • A key constituent for acid fixing baths, vital for film and print processing needs.
  • Enhance negatives with our blackener, perfect for negative intensification projects.
  • Energize Amidol development; Sodium Sulfite boosts image quality and consistency.
  • Clear Polaroid Type 55 B&W negatives effectively with this high-quality sulfite.