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Description
Photographers' Formulary Tannic Acid (100g)Commonly Used as a Reducer Prepare Dry Plates for Tannin Process This is 100g of Tannic Acid from Photographers' Formulary . It is commonly used as a reducer during the development process and is also used extensively in the preparation of dry plates for the Tannin Process of Major Russell. UPC: 675152145314 Synonyms Tannin is a name applied to vegetable substances possessing acid properties and having an astringent taste, and which produce, with iron
- Commonly Used as a Reducer
- Prepare Dry Plates for Tannin Process
This is 100g of Tannic Acid from Photographers' Formulary . It is commonly used as a reducer during the development process and is also used extensively in the preparation of dry plates for the Tannin Process of Major Russell.
| Synonyms | Tannin is a name applied to vegetable substances possessing acid properties and having an astringent taste, and which produce, with iron salts, a dark precipitate or solution, and precipitate albumen and gelatin. |
| Appearance | A yellowish to brownish powder Characteristic odor |
| Uses | As a mordant In the preparation of the dry plates by the Tannin Process of Major Russell Tannic acid toning of cyanotypes |
| Chemical Formula | C 76 H 52 O 46 |
| Notes | Tannic acid, a commercial form of tannin is not a true acid but an acid-like substance called a polyphenol. |
| Weight | 3.5 oz / 100 g |
| Packaging Info | |
|---|---|
| Package Weight | 0.25 lb |
| Box Dimensions (LxWxH) | 3.7 x 2.4 x 2.3" |
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