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What Is PTFE Syringe Filter/Teflon Syringe Filter Polytetrafluoroethylene, abbreviated as PTFE is a polymer synthesized by polymerizing tetrafluoroethylene monomers. It is white, waxy, semi-transparent, and exhibits excellent heat and cold resistance, allowing for long-term usage in the temperature range of -180 to 260ºC. The PTFE syringe filter, also known as a Teflon filter, utilizes an …
What Is QuEChERS Method QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) is a sample preparation method that was initially developed in 2003 for analyzing veterinary drugs in food. The method was also tested for pesticide residue analysis in plant material with great success. In 2003, the detailed method was published in the journal AOAC International. Since then, the QuEChERS …
Why is a syringe filter used in cell culture? The syringe filter typically features micropores that effectively block the passage of bacteria, fungi, and other microorganisms, ensuring the sterility of the culturing process. This helps maintain the purity of cell culture and prevents potential contamination from affecting experimental results. In the process of cell culture, …
How To Remove Bacteria in Biological Samples？——Escherichia Coli Solution Filtration Read More »
Syringe filter is the Gateway to analysis systems which provide a protection! The microporous filter membrane is created by coating a support layer with high-molecular-weight chemical materials and pore-forming additives after special treatment. It is mainly used for filtering the mobile phase and samples in chromatographic analysis, with its function manifested in the following two …
Why We Need Syringe Filters In Pharmaceutical Field Read More »
The dead volume reflects the extent of volume loss in a sample. During sample filtration, some residual sample is inevitably left inside the filter or filter membrane, affecting the final sample recovery rate. The smaller the dead volume, the less the loss, and the higher the recovery rate. The dead volume refers to the portion …
How Does The Laboratory Syringe Filter Affects the Filtration Results? Here, a Chinese engineer conducted relevant experiments. This engineer selected filters with five different membrane materials, designed a series of experiments, and observed chromatograms of the same solution passing through these five filters. Additionally, they prepared different solutions to observe the chromatographic performance of each …
How Does The Laboratory Syringe Filter Affects The Filtration Results? Read More »
Use QuEChERS Kit to simplify the purification process A rapid detection method for 10 kinds of carbamate pesticide in cabbage was established by extracting high performance liquid chromatography according AOAC standard, in which a kind of creative QuEChERS kit-QuSLE syringe filters were involved to simplify the purification process to one step. The sample was extracted …
Laboratory syringe filters are designed for disposable use . Reuse poses a high risk of cross-contamination. There is literature indicating that the repeated use of Syringe filters would lead to a decrease in measurement precision.
3 Most Importants Points for Syringe Filter Selection How to Choose A Syringe Filter？ Consider Membrane Pore Size 0.45μm Used for general sample mobile phase filtration, suitable for typical chromatography requirements. For example, used in chromatography systems with 3μm or larger particle size fillers. 0.22μm Meets the requirement to remove extremely fine particles from …
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