Here’s a trick to calibrate your pipette How Often A Pipette Calibration Should be Conducted? The pipette calibration generally needs to be conducted once a year, and if it is used frequently, calibration needs to be more frequent as well Here’s A Trick to Calibrate A Pipette Have you ever wondered whether the pipette you’re …
How to Calibrate A Pipette? Simplest Way for Pipette Calibration Read More »
Filtration Efficiency Filtration Efficiency is usually stated in terms of the percentage of particles of a certain size that would be stopped and retained by a filter medium. What Is The Filtration Retention of A Laboratory Syringe Filter? The retention rate is an important parameter for the Laboratory Syringe Filter. When using a filter for …
An Experiment to Help You Understand Filtration Efficiency! Read More »
How to Use A Syringe Filter? Step 1 Before filling with sample, draw approximately 1 mL of air into the syringe. This will minimize fluid retention. Step 2 Draw your sample into the syringe, then draw in about mL of air. Invert the syringe and wipe residue off tip. Step 3 Connect the syringe to …
How to Use A Syringe Filter – Most Easy Guide-4 Steps to Use A Syringe Filter Read More »
0.22μm Syringe Filter: With Sterilizing-grade Membrane Inside With a higher filtration precision, it can filter out microorganisms, cells, etc., with a diameter larger than 0.22 micrometers. It is generally used to remove extremely fine particles in samples or mobile phases, meeting the requirements of sterilization at 99.99% according to GMP or pharmacopeia standards. Therefore, it …
0.22μm Syringe Filter VS. 0.45 μm Syringe Filter: How To Make A Choice Read More »
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 …
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 »
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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