laboratory headspace gas chromatography metal cap for sale

For over 20 years, GenTech Scientific has been a trusted partner – providing premium refurbished analytical instrumentation and services to labs around the world. Our inventory includes specialized equipment for applications such as gas chromatography, mass spectrometry, HPLC, and cannabis testing.

Terms & Conditions. 1. Validity The present general terms of sale and delivery apply to all business of VWR International GmbH, i.e. particularly to industrial chemicals, reagents and diagnostic products as well as general laboratory supplies including equipment for the use of these products and consulting.

Jan 19, 2018 · New products of Macherey-Nagel! Polypropylene micro-insert, 0.1 mL,with integrated spring, 100 pcs. Fields of application for plastic micro-inserts are: – Ion chromatography (IC), heavy metal analysis, Atomic Absorption Spectrometry (AAS),

Nov 26, 2010 · The temperature of the gas chromatograph injector was programmed at 150 °C for 0.10 min, and subsequently at a rate of 300 °C/min to 250 °C, at which it was held for 15 min. The gas chromatograph was fitted with a CP-Wax 58 (FFAP) CB column (polar, 25 m × 0.25-mm inner diameter, 0.3-μm coating thickness).

Oct 22, 2018 · Advantages. The use of longer columns and higher velocity of carrier gas permits the fast separation in a matter of a few minutes. Higher working temperatures up to 5000C and the possibility of converting any material into a volatile component make gas chromatography one of the most versatile techniques.

Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture. [1]

Used Gas Chromatography GC for sale with warranties and worldwide shipping Gas Chromatography is also sometimes referred to as GLC or Gas-Liquid Chromatography. Gas chromatography happens in a capillary or packed column. During the mobile separation phase the substance is a gas, Therefore this technique is referred to as gas chromatography

The Shimadzu GC-2014 is a highly versatile gas chromatograph system. The all-metal construction makes this workhorse GC rugged enough for use in the lab or in an industrial setting. The GC unit is ideal for both routine analysis like in ethanol analysis as well as for R&D in places like universities interested in chemicals analyses.

Barbed fittings easily connect fluid paths without the use of tools. Slip your flexible tubing or hose onto the barb to create a seal that typically holds pressures up to 30 psi (2 bar).

Aijiren Gas Chromatograph. Manufacturer: Aijiren Model: *Retention Time Locking (RTL) maintains exact retention times from injection to injection, column to column, instrument to instrument, and lab to lab*Capillary Flow Technology (CFT) provides unique instrument cap

May 21, 1999 · (d) However, instead of filling first a loop, a pressurized headspace gas can expand directly into the column. Such a sampling system, called balanced pressure sampling system was already introduced in 1968 in the first automated headspace sampler by Perkin-Elmer and its principle is shown in Fig. 2, while a detailed description is shown later in Fig. 11 when techniques for cryogenic trapping

Aijiren's gas chromatography (GC) systems combine innovative technology, Instrument Intelligence, and expected reliability to offer the broadest range of GC solutions. Integrated Instrument Intelligence provides labs and operators wth predictive technologies to help avoid common GC problems before it affects chromatographic accuracy.

Mar 22, 2016 · headspace-gas chromatography-mass spectrometry (DHS-GC- and dynamic 257 headspace. GC-MS is a popular laboratory method for determining different constituents of test ... Out of 25 multi-metal ...

Jan 01, 2002 · Chapter 10 Headspace gas chromatography Zelda E. Penton 10.1 OVERVIEW 10.1.1 Introduction Headspace gas chromatography (GC) is a sample preparation method for determining volatile compounds in solid and liquid samples. The technique has existed since the late 1950s [1] and is still actively used.

Gas chromatography as an accepted laboratory procedure has been in use for the last 35 years or so. From simple, insulated box ovens that kept the column at a set temperature, we have progressed to ovens that are programmed to provide steady or increasing temperatures at preset time intervals to maximize the separation of similar compounds.