Photographers’ Formulary Potassium Bromide (100g)(Photographers Formulary Potassium Bromide 100g)
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- Helps to Prevent Fog During Development
- Commonly Used as a Restrainer
- Reduces Contrast, Provides a Warm Tone
This is 100g of Potassium Bromide from Photographers’ Formulary . It is commonly used as a restrainer in developers, especially those containing hydroquinone, pyrocatechin, or pyrogallol, and helps to prevent fog during development. When used in paper developers, it also reduces contrast and provides a warming effect. Additionally, potassium bromide is used as an ingredient in intensifying and reducing toners, as well as a variety of other photographic solutions.
| Synonyms | Bromide Bromide of potash Bromide of potassium Bromide salt of potassium |
| Appearance | White, deliquescent, granular powder Odorless |
| Uses | Fog preventer and restrainer in developing solutions Ingredient in intensifying, reducing, toning, and many other photographic solutions |
| Chemical Formula | KBr |
| Notes | Potassium bromide is the most commonly used restrainer in developing formulas, especially those using hydroquinone, pyrocatechin, or pyrogallol. The addition of potassium bromide usually results in a reduction of contrast and can have a warming effect on image tone when used in paper developers |
| Weight | 3.5 oz / 100 g |
| Packaging Info | |
|---|---|
| Package Weight | 0.28 lb |
| Box Dimensions (LxWxH) | 4.0 x 2.0 x 2.0″ |
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