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Photographers' Formulary Sodium Hydroxide (10g)

Photographers' Formulary Sodium Hydroxide (10g)

B&H # PHSH10GQ MFR # 10-1270 10G
Photographers' Formulary Sodium Hydroxide (10g)

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Product Highlights

  • High-Energy Accelerator or Alkali
  • Used to Activate Low-Energy Developers

Weight: 10g

1 lb 100g

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5 lb

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  • 1Description

This is 10g 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: 675152127013
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 0.4 oz / 10 g
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