Tannic acid that you don't know
character
Light yellow powder
nature
This product is a light yellow to light brown powder with a special odor and extremely astringent taste; Dissolve in 1 part of water or ethanol, soluble in acetone, insoluble in chloroform or ether.
purpose
Clarifier, astringent, crude oil deodorizer, fragrance enhancer; Tannic acid can be used for tanning leather, ink manufacturing, gluing paper and silk, boiler descaling, etc. It can also be used as a mordant, a clarifying agent for beer and wine, a gelling agent for rubber, etc. It can be used in industries such as printing and dyeing, metallurgy, and pharmaceuticals, and tannic acid itself has low toxicity. Precipitation and weight determination of beryllium, aluminum, gallium, indium, niobium, tantalum, and zirconium. Specific determination of copper, iron, vanadium, cerium, and cobalt. Protein and alkaloid precipitants. External indicator for ammonium molybdate titration of lead. Dye mordant.
