If you buy a front filter, how should you choose? The front filter is a reliable impurity filtration device, which can actively protect the dark compress pipes, faucets, electrical appliances, etc. it is still necessary to install it. There are many brands of front filters on the market. it is recommended to buy imported brands with 40 micron high-precision filters, such as Annette front filters, with good quality and function. The gasket is better than the fiber. many domestic rubber gaskets are used, and the service life is relatively short. the cleaning method must be siphon backwashing. the kind that needs to be taken apart and washed can be annoying once; the bottle body is good, and it is not fun to carry the water pressure. The Annette front filter I used is great, you can have a look.
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Is the solvent filter the same thing as the membrane filtration system? Special hard and high-quality glass materials, uniform wall thickness, no bubbles, can be used for sterilization at high temperature and high pressure, good sealing performance, fast flow and standard grinding port are used.Mainly used for the filtration of the mobile phase of HPLC,The filter film has a certain degassing effect,To ensure the cleanliness of the mobile phase,Prevent the blockage of the HPLC liquid Road.It is a screening process related to the pore size of the film,Driven by the pressure difference on both sides of the film,Take the film as the filter medium,Under certain pressure,When the liquid flow through the surface of the film,Many tiny pores on the surface of the membrane allow only water and small molecules to pass through and become liquid,However, substances with a large volume in the liquid solution larger than the micro-pore size on the surface of the film are trapped on the liquid inlet side of the film,Beco
