Components of bleach

Introduction: commonly used chemical bleaching agents are usually divided into two categories: chlorine bleach and oxygen bleach So what are the ingredients of the bleach Many bleaching agents are used in food The following safety net will introduce the ingredients of the bleaching agent, so that you can know more about the bleaching agent Bleach is a kind of chemical substance It can achieve the function of bleach through oxidation reaction, and bleach is to remove or fade the color of some substances Commonly used chemical bleaching agents are usually divided into two categories: chlorine bleaching agents and oxygen bleaching agents Chlorine bleach contains sodium hypochlorite, while oxygen bleach contains hydrogen peroxide or some compounds that release peroxides, such as sodium perborate or sodium percarbonate The composition of bleaching powder is usually calcium hypochlorite Bleaching is also the initial step in the dyeing process Bleaching agents can be divided into oxidation type and reduction type, and oxidation type can be divided into Salin (containing chlorine) and Acidin (containing oxygen) The bleaching power of salt bleaching agent is strong, and the effect of sterilization and deodorization is also good It is suitable for bleaching clothes, not for fancy clothes Not every kind of cloth can be bleached with salt bleach, so please read the instructions first In addition, if it is used together with washing powder containing acid element, the effect of washing powder will be reduced, so do not use it together The bleaching power of acid bleach is mild It can be used safely for clothing of different colors, even for silk and wool If put the washing machine with washing powder, it is very effective to prevent the yellow spot and black spot Reducing bleach is the most effective It can be used as long as it is white fiber, but it can't be used in fancy clothes Salt bleach can't wash out the yellow spots, blood and dirt, etc It's absolutely effective Generally, hypochlorite should be contained, of course, hydrogen peroxide and ozone are also used for bleaching, and even sulfur is used for different purposes The commonly used bleaching agent is mainly calcium hypochlorite (Ca (CLO) 2) Generally, the main component of the commercially available bleaching agent is sodium hypochlorite, which is hydrolyzed to produce hypochlorite Hypochlorite has strong oxidizability and can oxidize pigments In addition, hydrogen peroxide and bleaching powder are all bleached by the method of oxidizing pigment The bleaching agent of bleached object by reduction method may contain sodium thiosulfate, which is reductive Many foods use bleach, so is it safe to bleach? In fact, if it is used according to the national regulations, it will not be dangerous Now the state has a food safety detector, which can quantitatively detect 50 parameters in the food on the spot So that we can eat more safe food, more food safety knowledge in the hundred safety net Editor in charge: he xianrob