Bulk Borosilicate Glass Chromatography Vials are available with crimp or screw necks. These plain vials are available with large or standard openings. Type I Borosilicate Glass provides excellent protection against chemical attack. Borosilicate glass has a higher softening point for greater heat resistance.
Product Name Cat # Price; HPLC Chromatography Vial, 2mL CLEAR Glass vial with Writing Area, Flat Base w/ graduations, 9-425 Open Top Ribbed Screw Cap with 9mm White PTFE/Red Silicone Septa 1mm Thick, Vial size: 12 x 32 mm, 10 packs of 100, total 1000/CS
National chromotography inco offers a wide range of products which includes clear borosilicate vials. Features: vials are certified and traceable; documentation is provided for gmp, high level quality control and process control for lower toc backgrround, consistently lower levels of background toc for statistical studies.
Wheaton Sample Vials, 2mL or 0.07oz, Clear, 8-425 Finish with 14B Rubber Liner, Type I Borosilicate Glass (2 mL E-C Vial, Glass Clear, 8-425 Rubber Lined Cap)2 mL E-C Vial, Glass Clear, 8-425 Cap, Rubber.
The parameters of the HPLC, like any instrument, are important and are dependant on your sample. The solvent mixture, containing a strong solvent and a weak solvent, will depend on whether your sample is polar in nature or not. Common solvents include water, methanol and acetonitrile. Two different solvent methods can be use, isocratic or gradient.
Nov 22, 2012 · The LaChrom (Merck-Hitachi) high-performance liquid chromatograph equipped with an L-7100 pump, L-7200 autosampler, L-7300 column oven, DAD L-7450 photodiode array (PDA) detector, and D-7000 software HSM version 3.1 (Merck Hitachi, England) were employed. A double beam ultraviolet-visible spectrometer (PG Instruments, United Kingdom) was used.
Orochem Technologies offers vials for HPLC, GC and storage. The volume is from 0.1 mL to 4 mL. Both glass and plastic vials, with or without insert. There are several types of caps and septa.
1.5ml 2ml Hplc Vials Chromatograph Consumable Autosampler Vials Caps Septa Ptfe/silicone 2ml Clear Screw Vial , Find Complete Details about 1.5ml 2ml Hplc Vials Chromatograph Consumable Autosampler Vials Caps Septa Ptfe/silicone 2ml Clear Screw Vial,2ml Clear Screw Vial,Hplc Vial,Autosampler Vials from Bottles Supplier or Manufacturer-Hangzhou Chenguang Glassware Co., Ltd.
Borosil is the leading manufacturer of microwavable casseroles, bowls, plates & dishes in India, offering a range of Microwave safe glasses, cookware, bowls, dishes, plates, carafes, electric kitchen appliances, Glass Jars, and items online.
Overview of HPLC - Chromatography — HPLC - High-Pressure Liquid Chromatography (or High Performance Liquid Chromatography, HPLC) is a form of column chromatography used frequently in biochemistry and analytical chemistry to separate, identify, and quantify compounds.
different for each type of containers (glass versus PP vials) and confirmed that the vial adsorption phenomenon was one of fact ors that compromised the reliability of anal ytical results obtained. This article describes the adsorption behavior of newly developed low-adsorption HPLC vials with respect to basic compounds and peptides.
shape, and high activity toward chelating reagents is indi-cated by tailing, asymmetric peak shape. Quinizarin typi-cally elutes after ethylbenzene and before amitriptyline. It is interesting to note that for columns known to contain cer-tain embedded polar functional groups, quinizarin elutes last, with good peak symmetry. Peak asymmetry is not
Microvolume inserts are sold in both glass and polyproylene materials. Polypropylene inserts are recommended for pH-sensitive samples, greater solvent compatibility, biological samples, and ionic samples becasue of the material′s inertness.
Several styles are offered including flat bottom, concial inserts with a top spring or a bottom spring, and concial without springs.
The base silica for Purospher® high-purity HPLC columns is made from tetraalkoxysilane in a sol-gel process. Due to the absence of metals in the silica matrix, combined with an optimized surface coating and shielding process, Purospher® columns provide outstanding, tailing-free separations with excellent peak symmetry.
Our quality mission is to ensure that the Waters’ Columns you use today are the most reproducible and reliable LC columns available. As a primary manufacturer of silica and hybrid particles, scientists can be assured of consistent column performance, batch-to-batch reproducibility, and product availability over the life of the analytical method.
