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The Schlenk line (also vacuum gas manifold) is a commonly used chemistry apparatus developed by Wilhelm Schlenk. [1] It consists of a dual manifold with several ports. [ 2 ] One manifold is connected to a source of purified inert gas , while the other is connected to a vacuum pump .
Argon is often used when analysing gas phase chemistry reactions such as F-T synthesis so that a single carrier gas can be used rather than two separate ones. The sensitivity is reduced, but this is a trade off for simplicity in the gas supply. Gas chromatography is used extensively in forensic science. Disciplines as diverse as solid drug dose ...
Aspirator - Beaker - Boiling tube - Büchner funnel - Bunsen burner - Burette - Calorimeter - Colorimeter - Conical measure - Nuclear Magnetic Resonance - Mass Spectrometer - Liquid Chromatography - Gas Chromatography - Crucible - Cuvette - Laboratory flasks (Büchner, Erlenmeyer, Florence, Retort, Round-bottom, Volumetric) - Fume hood - Gas syringe - Graduated cylinder - Perkin triangle ...
used to detect and classify serum proteins or proteins from any other source. Also used for DNA separation. Chemical laboratory apparatus: for Chemical tests: Chromatography: One of the basic modern "chemical examination" of body fluids and viscera;video links for details •Gas Chromatography or Gas Liquid Chromatography(GLC)-do- •Planar ...
A Schlenk-frit is a laboratory filtration device operating under inert gas conditions (schlenk conditions). It separates air- and water-sensitive suspensions into liquid and solid parts. A Schlenk-frit is made of a glass tube with a ground glass joint at both ends, a fused filter (a porous glass disk) and valves at both sides.
For the analysis of volatile compounds, a purge and trap (P&T) concentrator system may be used to introduce samples. The target analytes are extracted by mixing the sample with water and purge with inert gas (e.g. Nitrogen gas) into an airtight chamber, this is known as purging or sparging.
Pyrolysis–gas chromatography–mass spectrometry is a method of chemical analysis in which the sample is heated to decomposition to produce smaller molecules that are separated by gas chromatography and detected using mass spectrometry. Pyrolysis is the thermal decomposition of materials in an inert atmosphere or a vacuum.
The term inert gas is context-dependent because several of the inert gases, including nitrogen and carbon dioxide, can be made to react under certain conditions. [1] [2] Purified argon gas is the most commonly used inert gas due to its high natural abundance (78.3% N 2, 1% Ar in air) [3] and low relative cost.