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Photographers' Formulary Sodium Hydroxide (30g)
Photographers' Formulary Sodium Hydroxide (30g)
B&H # PHSH30GQ MFR # 10-1270 30G
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Product Highlights
- High-Energy Accelerator or Alkali
- Used to Activate Low-Energy Developers
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- 1Description
This is 30g of Sodium Hydroxide from Photographers' Formulary. It is commonly used as an accelerator or alkali to activate low-energy developing agents, such as hydroquinone. It also is added to increase overall contrast with developers.
UPC: 675152127020
Table of Contents
- 1Description
| Synonyms |
Caustic alkali Caustic soda Hydrate of soda Soda lye Sodic hydrate Lye Sodium hydroxide solid Sodium hydrate Red Devil Lye Mineral alkali |
| Appearance |
White, deliquescent pellets or flakes Odorless |
| Uses |
High-energy accelerator or alkali sometimes used to activate low-energy developing agents (e.g. hydroquinone). Caustic alkalis are most often used where a powerful and quick-acting developer is required. Developers compounded with caustic alkali have poor keeping properties and are soon exhausted. |
| Chemical Formula | NaOH |
| Notes |
Store in a well-sealed bottle. Weigh it rapidly as it can pick up moisture from the air and change its weight. Cautions: Of all the chemicals commonly used in the black & white darkroom, this is perhaps the most caustic. It is the same chemical used in many commercial drain cleaners. |
| Weight | 1.1 oz / 30 g |
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