50% hydrogen peroxide solution is obtained by distillation and concentration of 27.5% hydrogen peroxide solution.
Hydrogen peroxide is used in chemical reagent production as the raw material of sodium perborate, sodium percarbonate, peroxyacetic acid, sodium chlorite, thiourea peroxide, tartaric acid, vitamins, etc. In the printing and dyeing industry, hydrogen peroxide can be used as a bleach for cotton fabric and the color development after reducing dye staining. It can be used both to remove iron and other heavy metals when producing metal salts or other compounds. It can also be used for plating to remove inorganic impurities, improving the plating quality. It is also used for bleaching of wool, raw silk, ivory, pulp, fat, etc.