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LCGC North America-05-01-2018

LCGC North America

New Sample Preparation Products and Accessories

May 01, 2018

Sample Prep Perspectives

36

5

Our yearly report on new products covers sample preparation instrumentation, supplies, and accessories. New sample preparation technologies introduced in the past year, while not necessarily disruptive, take giant leaps in that direction.

Fittings and Connections for Liquid Chromatography—So Many Choices!

May 01, 2018

LC Troubleshooting

36

5

A bad connection between an LC column and the rest of the system can ruin a good separation. New technologies may improve the quality of these connections and the likelihood of establishing a good connection in the first place. Understanding the issues will help you choose the best option for you.

New Gas Chromatography Products for 2017–2018

May 01, 2018

GC Connections

36

5

We present our annual review of new developments in the field of gas chromatography, which this year includes eight new GC and GC–MS laboratory benchtop systems as well as numerous new columns and accessories.

Quantitating Toxaphene Parlar Congeners in Fish Using Large Volume Injection Isotope Dilution GC with Electron-Capture Negative Ion MS

May 01, 2018

Peer-Reviewed Articles

36

5

A novel automated ultratrace gas chromatography–mass spectrometry (GC–MS) method has been developed that quantitates the eight toxaphene Parlar congeners designated in U.S. Environmental Protection Agency Method 8276. This method, combined with an efficient extraction, cleanup, and fractionation technique, makes is possible to extend instrument detection limits to the low parts-per-trillion concentration level for these toxaphene Parlar congeners.

Cannabis Testing in North America

May 01, 2018

Market Profile

36

5

Cannabis products are frequently tested for potency, pesticides and fungicides, solvent residues, heavy metals, microbes, foreign organic matter, and moisture. The most common techniques used for these tests are high-performance liquid chromatography (HPLC), gas chromatography (GC), LC or GC with mass spectrometry detection, and inductively coupled plasma–MS.

Vol 36 No 5 LCGC North America May 2018 Regular Issue PDF

May 01, 2018

Issue PDF

36

5

Click the title above to open the LCGC North America May 2018 regular issue, Vol 36 No 5, in an interactive PDF format.