Place your order by 4PM Today and your order will ship the same day. For further details see delivery estimates in cart. All orders are subject to verification. International orders are processed the next shipping day.
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.
Table of Contents
Show moreShow less
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.
A yellowish to brownish powder Characteristic odor
As a mordant In the preparation of the dry plates by the Tannin Process of Major Russell Tannic acid toning of cyanotypes
Tannic acid, a commercial form of tannin is not a true acid but an acid-like substance called a polyphenol.