tannic acid

How To Use tannic acid In A Sentence

• _ -- (1) Wagner's reagent (iodine dissolved in a solution of potassium iodide) yields a reddish-brown precipitate; (2) Mayer's reagent (potassio-mercuric iodide) gives a yellowish-white precipitate; (3) phospho-molybdic acid gives a yellow precipitate; (4) platinic chloride, a brown precipitate; (5) tannic acid, etc. Aids to Forensic Medicine and Toxicology
• The production of synthetic tannins employs two quite distinct methods; one is to synthesise the most simple tannin, viz., the tannic acid contained in galls (tannin), or to build up substances similar in character to the tannins, from hydroxybenzoic acids. Synthetic Tannins
• The agreeable odour of this sweet Woodruffe is due to a chemical principle named "coumarin," which powerfully affects the brain; and the plant further contains citric, malic, and rubichloric acids, together with some tannic acid. Herbal Simples Approved for Modern Uses of Cure
• Tannic acid, not as free acid, is combined with caffein as a tannate. Human Foods and Their Nutritive Value
• Extensive studies have shown that treatment with acaricides (chemical agents that kill dust mites) or tannic acid to denature dust mite allergens are only minimally effective and must be repeated frequently.
• Tannic acid, or tannin, is the same chemical used in tanning animal hides.
• The tannic acid containing organic substances such as a base convergence, pectin content can absorb toxins.
• In the natural products which have just been enumerated, the tannic acid is accompanied by some colouring matter, which is also absorbed by the cotton; in some (sumac and galls) this colour is present in but small quantities; in others (divi-divi, myrabolams, algarobilla), there is a large quantity; therefore cotton treated with these comes out more or less coloured. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student
• Treating carpets with tannic acid or benzyl benzoate can remove some dust mite residue, but such chemicals must be applied repeatedly and can worsen allergies in some people.
• Filling the Chinese galls in copper container , extract tannic acid by water with pressurized metering pump.