Photographers' Formulary Sodium Hydroxide (100g)

BH #PHSH100GQ • MFR #10-1270 100G
Photographers' Formulary
Photographers' Formulary Sodium Hydroxide (100g)
Key Features
  • High-Energy Accelerator or Alkali
  • Used to Activate Low-Energy Developers
This is 100g 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.
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Photographers' Formulary Sodium Hydroxide (100g)

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Photographers' Formulary 10-1270 100G Overview

This is 100g 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: 675152127037

Photographers' Formulary 10-1270 100G Specs

SynonymsCaustic alkali
Caustic soda
Hydrate of soda
Soda lye
Sodic hydrate
Lye
Sodium hydroxide solid
Sodium hydrate
Red Devil Lye
Mineral alkali
AppearanceWhite, deliquescent pellets or flakes
Odorless
UsesHigh-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 FormulaNaOH
NotesStore 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.

Weight3.5 oz / 100 g
Packaging Info
Package Weight0.3 lb
Box Dimensions (LxWxH)4.8 x 2.1 x 2.1"
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