Sale! Photographers’ Formulary Benzotriazole (Anti-Fog #1) – 10g
$16.26
$13.01
Photographers' Formulary Benzotriazole is used as an organic antifoggant and density depressant in developers. Benzotriazole acts as a restrainer without affecting other properties of the developer. It can also be used as a fog restrainer when processing o
- SKU: :
- YOGN785269490033
Photographers’ Formulary Benzotriazole is used as an organic antifoggant and density depressant in developers.
Benzotriazole acts as a restrainer without affecting other properties of the developer. It can also be used as a fog restrainer when processing outdated papers. When blue-black or cold-black image tones are desired with bromide papers, benzotriazole should be used in addition to, or substituted for, potassium bromide. Make a 0.2% solution of benzotriazole (2g benzotriazole in water at 125°f/52°c or higher to make 1 liter) then reduce the bromide to 1/10 or 1/6 strength and use just enough benzotriazole solution to prevent developer stain or fog. A little experimentation may be required. The same treatment can be applied to chloride and chlorobromide papers to eliminate any greenish black tendencies and/or achieve a blue-black tone. UPC: 675152250018
| Synonyms | Aziminobenzene Benzisotriazole Edwal’s Liquid Orthazite, which contains approximately a 3% solution of benzotriazole with sodium sulfite Kodak Anti-Fog #1 (no longer manufactured) |
| Appearance | Colorless crystals or white powder |
| Uses | Organic antifoggant and density depressant in developers Fog restrainer when processing out dated papers |
| Chemical Formula | C 6 H 5 N 3 |
| Notes | Benzotriazole does not dissolve readily in cold water. Use hot water 125°f/52°c or higher |
| Packaging Info | |
|---|---|
| Package Weight | 0.04 lb |
| Box Dimensions (LxWxH) | 3.0 x 1.3 x 1.3″ |
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Cost - $25
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