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Review Summary
2021-02-15T07:29:22
One of my key ingredients for dry plate photographic emulsion. Perfectly inert gelatin, which allows me to carefully control sensitization.
Jason L.
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
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Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
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Browse our FAQ
Sulfite of Soda
Sodium sulfite anhydrous
Disodium sulfite
Sulfurous acid, disodium salt
Exsiccated sodium sulfite
White granular crystals or powder
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
Na2SO3
50lbs (22.68kg)
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.
What you're looking at is a 50lbs pack of Anhydrous Sodium Sulfite, a pure and professional-grade product from the trusted brand, Photographers' Formulary. This high-quality, reliable, and effective chemical is a staple in the world of photography, particularly in the development of black and white film.
Anhydrous Sodium Sulfite serves multiple purposes in the photographic process. It acts as a preservative for developing agents, ensuring the longevity and effectiveness of your solutions. It's also a crucial constituent of the acid fixing bath, playing a pivotal role in stabilizing the image during development.
In addition, this versatile chemical is used as a blackener in negative intensification, enhancing the contrast and depth of your black and white images. It's an active energizer in Amidol development, boosting the process to yield superior results. Moreover, it's used to clear Polaroid Type 55 black & white negatives, providing clean and crisp images.
Notably, Sodium Sulfite is the most widely used preservative in developers, underlining its importance in the photographic process. It's not just a preservative, but also an integral part of the process itself, contributing to the quality and clarity of your final images.
Available in a convenient 50lbs pack, this Anhydrous Sodium Sulfite is perfect for photographers who need to purchase and store their chemicals in bulk. Trust in the quality and reliability of Photographers' Formulary products for your photographic needs.