Restek develops and manufactures GC and LC columns, reference standards, sample prep materials, and accessories for the international chromatography industry. Our unbeatable Plus 1 customer service and top-quality products are known world-wide.
USP standards for drug reference standards are used to demonstrate identity, strength, purity and quality for medicines, dietary supplements and food ingredients.
Screw top GC vial-Aijiren Vials for HPLC/GC18mm Screw Magnetic Precision Caps for GC Vials The optional capacity is 10ml 20ml and the specifications are 22.5 x 46mm, 22.5 x 75.5mm
Available in magnetic 18 mm screw caps and 20 mm crimp caps. Please note: cat.#s 23854 and 23855 are temporarily unavailable. We recommend cat.#s 23856 and 23857 respectively as replacements.
Convenient Platinum Hot Start PCR Master Mix provides a ready-to-use mixture of DNA polymerase, salts, magnesium, and dNTPs, thus reducing the number of pipetting steps during PCR reaction setup. It is supplied with a separate vial of Platinum GC Enhancer, formulated for specific amplification and improved yields of GC-rich targets.
May 14, 2020 · 18mm Screw GC Headspace Vial is common element for each GC instrument. Sample handling in the overhead space is a convenient and fast sample pretreatment method in gas chromatography. In headspace analysis, the selection of sample vial is also critical.
Alibaba.com offers 919 gc headspace products. A wide variety of gc headspace options are available to you, such as classification, industrial use, and surface handling.
Sep 03, 2020 · The Resource Conservation and Recovery Act Test Methods for Evaluating Solid Waste: Physical/Chemical Methods (SW-846) provide guidance to analytical scientists, enforcement officers and method developers across a variety of sectors.
Platinum™ Quantitative PCR SuperMix-UDG is supplied in a 2X concentration [40 mM Tris-HCl (pH 8.4), 100 mM KCl, 6 mM MgCl 2, 400 µM dATP, 400 µM dCTP, 400 µM dGTP, 800 µM dUTP, 40 units/ml UDG, 60 units/ml Platinum™ Taq DNA Polymerase, stabilizers].
GC Vials ND18 headspace 20ml ,nd18 ctc vial,18-400 screw . GC Vials ND18 headspace 20ml (Screw Vials) No risk of incorrectly sealed vials as is the case with crimping. More convenient to close and open, especially as magnetic crimp caps are very hard to crimp . Lower coring and protection for the needle due to thinner septa.
Apr 26, 2021 · Metrohm AG is a leading provider of instruments and know-how for chemical analysis in the lab and in the process, specializing in titration, ion chromatography, electrochemistry, and spectroscopy.
Extract analytes of interest from large volume aqueous samples easily and efficiently with the Thermo Scientific Dionex AutoTrace 280 Solid-Phase Extraction (SPE) Instrument. The AutoTrace 280 automates all four steps of SPE (conditioning, loading, rinsing, and eluting), reducing solvent consumption
Press Release - New from Worldwide Glass Resources® - Lined 18mm Metal Screw Thread Designed for SPME. Worldwide Glass Resources® has expanded its Lined 18mm portfolio to include engineered septa for SPME (Solid Phase Micro-Extraction) applications.
Changes will be taking place on SigmaAldrich.com on June 5, 2021 that include visual and functional updates. All registered users will be prompted to reset their password the first time logging in to the new site.
18 mm screw thread headspace vials made specifically for analysis with the CombiPal autosampler. Clear or amber vials available in 10 or 20 mL volumes.