Molecular formula :
nature : (1) photochemical, the terminology used to describe this system the absorption or emission intensity reduction process. (2) removed through chemical fiber materials and products pigment contained in the process. The bleaching agent commonly used as the oxidant and reductant also available. Bleached cotton, linen, regenerated cellulose fiber and pulp, generally used bleaching powder, calcium hypochlorite, sodium hypochlorite, sodium chlorite and hydrogen peroxide. Bleaching of silk and wool, available hydrogen peroxide, sulfur dioxide sometimes available, but easily yellowed. (3) camera processing bleaching refers to the special needs will be re-Ying silver oxidized and remove soluble silver halide process. If the black-and-white reversal processing after the first significant need bleach to remove silver shadow, so that the silver halide left exposed again just as forming. Color film in color development at the same time to form silver dye and video images also requires bleaching, remove the silver fixing video for pure dye image. Bleaching is a process of oxidation, a bleaching agent used is potassium ferricyanide, molysite ethylenediamine tetraacetic acid (EDTA iron). Moreover, bleach is also used flour, oil and so on.
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