Products
Syringe filters are single-use, membrane-based devices used for the removal of particulate impurities from liquid and gas samples prior to analysis by methods such as HPLC, ion chromatography, gas chromatography, ICP, and dissolution testing. Proper filtration of samples improves the quality and consistency of analytical results and decreases
These syringe filters can also be exposed to high temperatures and are an excellent choice for HPLC sample preparation. We offer PTFE syringe filters in both their hydrophobic and hydrophilic states. PVDF Syringe Filters; Capable of filtering high volumes of hard-to-filter samples, PVDF Syringe Filters are highly thermal resistant and compatible with many solvents. Designed to have good tensile strength and low protein binding properties, polyvinylidene fluoride syringe filters are suitable
Syringe Filters Solvent Compatibility Chart 1 Protect any analytical system. 2 Extend LC column lifetime. 3 Achieve more reproducible analyses. 4 Variety of membranes, porosities, and diameters available. 5 Luer lock inlet provides strong, leak-tight syringe connection to withstand filtration pressure.
Feb 25, 2021 · Recently a European Pharmacopeia monograph for [18 F]PSMA-1007 was published suggesting a different radio-HPLC method for the determination of its chemical and radiochemical purity. Since the here described method has certain advantages, not least of all easier technical implementation, it can be an attractive alternative to the monograph method.
Difference between hydrophilic and hydrophobic filters. Hydrophilic filters are easily wet with water. Hydrophilic filters can be wetted with virtually any liquid, and are the preferred filters for aqueous solutions, as appropriate by compatibility. Once wetted, hydrophilic filters do not allow the free passage of gases until the applied
Jul 11, 2017 · This design streamlines HPLC sample prep and minimizes the number of laboratory consumables. Filtration with a syringeless filter can be performed three times faster than with syringe filters. Using a syringeless filter simplifies the filtration process because you only need to add the sample to the outer chamber, place the plunger, and push.
Syringe Filter Housings. 1) Syringe filter housings are manufactured from solvent-resistant, low-extractable polypropylene resins specifically selected for wide compatibility with common HPLC sample matrices. 2) Solutions at temperatures up to 100°C can be filtered using syringe filters. 3) Syringe filters can be sterilized by autoclave at 125°C for 15 minutes.
6. Using a 0.45 µm nylon syringe filter, add ~1.5 mL of filtered solution from the previous step directly into an autosampler vial. 7. Inject the filtered samples into the HPLC according to the instructions provided by your laboratory instructor. Obtain the resultant chromatogram for each sample. To Complete the Experiment (partial report)
Dec 20, 2014 · This article will address the use of disposable female, Luer-compatible, syringe filters without built-in pre-filters for the filtration of individual samples into vials for HPLC or LC/MS analysis. - Note: 96 or 384 multi-well filtering plates provide for a better solution when large quantities of samples need to be filtered.
Jun 04, 2021 · Four antibiotics, oxytetracycline, tetracycline, doxycycline, and chlortetracycline were separated and quantified in medicated feed. Tetracyclines from feed samples were extracted with 0.01 M citric buffer and acetonitrile (pH 3.0) and further purified with 0.45 µm syringe filters. The purified extract was separated on commercial RP-C18 column and analyzing using liquid chromatograph (LC
Sep 02, 2021 · Sample filtration has been shown to be an important tool for improving the results from LC-MS. In part 1 of this two-part blog series, we review the results of some recent studies that looked at the improvements made possible by sample filtration with syringe filters prior to HPLC, and how to obtain these improvements without introducing other unwanted errors and effects.
Jan 01, 2015 · Europe PMC is an archive of life sciences journal literature. To the Editor: Cubicin (daptomycin for injection; Cubist Pharmaceuticals, Lexington, MA) is a cyclic lipopeptide antibacterial indicated in the United States for the treatment of complicated skin and skin structure infections and Staphylococcus aureus bloodstream infections, including those with right-sided infective endocarditis. 1
Oct 14, 2021 · Mutual Fund Comparison; and high demand for HPLC systems in pharmaceutical and biotechnology industries, North America dominates the global market for syringe filters. Europe is the second ...
Aug 25, 2021 · Objective The related substances test of Paracetamol API is given in European Pharmacopoeia monograph. In this method, it was mentioned to use ‘end-capped solid core octadecylsilyl silica gel, 0.10m x 2.1 mm; 2.7 µm’ HPLC Read more
Samples that are to be analyzed with HPLC should have a concentration of about 1 mg/mL (ref). All samples must be filtered using a syringe and ~25 µm filter (ref). Unfiltered samples run the risk of damaging the column. Degassed samples are best, as bubbles can cause complications with the instrument.