According to the relevant provisions of the Ministry of Food and Drug Administration, medical oxygen must reach 93% of the standard before it can be put into use in clinical treatment. Why is the standard of oxygen concentration of medical oxygen generator 93%±3%?When the human body absorbs oxygen w

Molecular sieve (also known as zeolite) is a microporous aluminosilicate crystal, which is mainly used in gas purification, petrochemical, refrigeration, automobile, architectural glass, medicine, coating, packaging and other fields. What should be paid attention to when storing it?1. Molecular siev

1. Advantages and disadvantages of distillation dryingDistillation technology is to remove moisture and other volatile impurities through heating, evaporation, condensation, collection and other steps. It is suitable for drying a large amount of ethanol.However, it consumes a lot of heat energy, if

CHEMXIN 13X Molecular Sieve, also known as sodium X molecular sieve, has a crystal pore size of about 1 nm. Compared with type A molecular sieve, 13X molecular sieve has larger pore size and pore volume, and static water adsorption can reach 26%, which has excellent performance in drying and purific