Disposable needle filters are divided into two categories: organic and water. What are they used to filter?
Apply to a small amount of liquid filtration, large amount, or too much insoluble substances will lead to congestion. Commonly used to handle HPLC specimens, and Schlenk and line in conjunction with the use of very convenient.
The common filter membrane has a pore size of 0.22 microns and 0.45 microns. The caliber of filter is 1, 1.3 and 2.5 cm. It is used in combination with disposable syringes and needles, and the interface is standard.
The so-called organic system used to filter water solutions should also be no problem, but in turn water systems may be dissolved by organic solvents and not suitable for organic system filtration.
What you call a river / organic system should be based on the material of the filter membrane, which are applicable to filtration, water solution (Life Science), and organic solution (chemical application
