Raw Chemicals (Film)

Sodium Sulphite (anhydrous), often called Sodium of Soda, is a developer preservitive, mild silver solvent in fine grain developers and post fixer ...

This soft working developing agent is the another popular ingredient found in many film and print developers and no home developing cookbook is com...

This high contrast developing agent is the most popular ingredient in many film and print developers and no home developing cookbook is complete wi...

Sodium carbonate anhydrous is used as one of the principle alkalies (accelerators) used in development formulas, sometimes known as Washing Soda, C...

This soft working developing agent is the another popular ingredient found in many film and print developers and no home developing cookbook is com...

Borax, also known as sodium borate, sodium tetraborate, or disodium tetraborate, is an important boron compound, a mineral, and a salt of boric aci...

Potassium bromide is used as a restrainer in many black and white developer formulas, especially those containing hydroquinone, pyrocatechin, or py...

Sodium Thiosulphate is a standard and universal fixing agent. This ''penta'' version with 33% water in it and is often referred to as Hypo. The...

Citric Acid is used as an occasional additiive for physical developers and intensifiers and stop baths. It is also a buffering agent. Citric acid e...

Sodium Bisulphite (Metabisulphite) is a developer preservitive and buffering agent, stop bath and fixer acidifier and clearing bath ingredient to r...

Because metol is relatively toxic and can cause skin sensitisation, modern commercial developers often use phenidone or dimezone S (4-hydroxymethyl...

Antifoggants are used to restore out of date paper. Papers containing incorporated developers usually keep less well than those without developers ...

Acetic Acid is a colourless liquid that has a characteristic pungent odour and boils at 118°C. Although not glacial (100%) it is entirely miscible ...

Sodium Hexametaphosphate or Calgon, has the property of holding calcium and magnesium salts in solution, even when boiling, making it a great water...

Pyrogallol or Pyrogallic Acid is a developing agent often used for its tanning qualities. It most famous use of recent times was by Gordon Hutching...

Ascorbic Acid is often refrred to as the Vitimin C film developer. Some modern developers often replace the toxic Hydroquinone or Metol with ascorb...

Boric Acid is used as a fine grain developer additive or a solution buffering agent when used with Borax. It can also be used as an acid fixing bat...