Chromatography Sample Preparation

Enhance your laboratory's filtration efficiency with MilliporeSigma's Celite 545. Boasting a particle size between 0.02 and 0.1 mm, this product provides an optimal balance between speed and clarity in separation processes. Widely utilized in sample preparation for chromatography, it has been...

Enhance your laboratory's filtration process with the Celite Hyflo Supercel. This high-quality filter aid is designed for optimal performance, particularly in the realm of chromatography. With its superior flow rate and filtration capabilities, it can significantly boost the efficiency of your lab...

These small canisters are designed for controlled sampling, such as personal air sampling, as an alternative to tube and pump samplers. The 1,000 cc canister is suitable for sampling volatile organic compounds in air according to methods TO-14A, TO-15, IP-1A, ASTM 5466, OSHA PV 2120, and NJ DEP Low...

CAS No.: 68855-54-9 pH: 10 (100 g/l, H2O, 20°C) Solubility: Bulk Density: 300 kg/m3

Sampling bags are a low-cost whole air sampling device for high level VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose the...

High-quality vacuum gauges with 316 stainless steel wetted surfaces. –30" Hg to 0" Hg. Recommended for use with passive sampling kits. All are rear mount.

CAS No.: 68855-54-9 pH: 10 (100 g/l, H2O, 20°C) Solubility: Bulk Density: 300 kg/m3

Oil-free vacuum pumps are piston powered, so they do not pollute the air and require minimal maintenance Quiet, low-vibration units keep disturbances to a minimum Built-in thermal protector automatically shuts off pump if it overheats and then restarts it once the unit is cool Inlet filter traps...

Available for 2 mL, 15 mL, and 50 mL tubes Alphanumerical grid reference on top tier for easy identification of samples Easy to assemble; simply fold and snap together securely

Optimized for Methods TO-14A, TO-15, IP-1A, ASTM D5466, OSHA PV 2120, and NJ DEP Low Level TO-15 Proprietary electropolished surface maintains compound stability. High-quality, metal-to-metal seal, 2/3-turn valve with stainless steel diaphragms prevent sample adsorption for more-accurate results....

The 30mm Filters for ASE 100/300 Extraction Cells are essential for maintaining sample purity during the extraction process. These filters are designed to effectively remove particulates, ensuring consistent sample quality. Compatible with ASE 100 and 300 systems, they are crafted for durability and...

This cylinder stand is designed to support small-diameter cylinders, such as 104L and 110L disposable cylinders. It is a simple, safe, and economical way to stabilize the position of small cylinders, while keeping them within close proximity. The stand is constructed of heavyweight painted steel and...

Ideal for the construction of large extraction columns, the Extrelut NT Packing Material ensures precision and reliability in chromatography operations. This high-quality material contributes to a smoother separation process, enhancing the accuracy of results. Its robust composition withstands...

Cleaned, assembled, and ready to use Clear or amber glass Caps and PTFE-lined septa included

Enhance the precision of your laboratory filtration process with the Celite 281. This high-quality filter aid is composed of diatomaceous earth, offering superior filtration capabilities for even the minutest particles. Its high porosity and large surface area make it an ideal choice for...

Anhydrous sodium sulfate is the most common drying agent used to remove moisture from sample extracts. We package our 10-60 mesh material in recloseable buckets. Ideal for removing water from sample extracts Activate by heating to 400°C for four hours before use Packaged in recloseable 5 kg...

Luer lock inlet offers leak-tight syringe connection Variety of filter types, porosities, and diameters Color coded for easy identification Rugged polypropylene housing Autoclavable to 121°C for 15 minutes Quantity break pricing for greater savings Cellulose Acetate, Nylon, PES,...

Restek's passive air sampling kit incorporates all the hardware necessary to collect air samples and is easy to assemble for field sampling.* The improved filter design greatly reduces the number of potential leak sites. The passive air sampling kit is available in seven sampling flow ranges and in...

Retention Mechanisms: Lipid matrix is retained via normal phase, hydrophobic, and Lewis acid-Lewis base interactions Sample Matrix Compatibility: Oils Dual layer SPE that contains both LC-Florisil® (upper layer) and Z-Sep/C18 (lower layer) SPE sorbents, separated by a PE frit Developed to offer...