Application Notes: GC

This application note demonstrates the quantitative recollection of split sample to a clean sample saver tube for a group of VOCs in TD–GC–MS.

This application note follows the Pyroprobe application decision making tree with EGA and pyrolysis to study biodegradable plastics by GC-MS.

In this application note, we will walk you through the steps required to change your carrier gas from helium to hydrogen.

Quantitative recollection of split sample to a second sample saver tube is demonstrated for different split ratios on the CDS 7550S automated thermal desorber.

Application guide to PFAS analysis in environmental and food samples, from sample preparation to LC–MS/MS analysis, featuring both validated and exploratory methods.

In a commercial laboratory setting, Strata-X-AW and Gemini 3 µm C18 show excellent precision and recovery in EPA Method 533 for the analysis of PFAS in drinking water.

Strata PFAS (WAX and GCB combined in a single SPE tube) compliant with DOD QSM 5.1, but more accurate, precise, and economical than dual tube or dispersed GCB solutions.

A QuEChERs + SPE sample preparation technique coupled with LC–MS/MS is shown to provide sub-ppb analysis of PFAS in dairy and fish samples.

Phenomenex announces a new graphitized carbob black (GCB) SPE tube for DOD QSM 5.3 compliant PFAS analysis.

A municipal wastewater laboratory demonstrates the use of QuEChERs sample preparation techniques to analyze PFAS in sediments at sub ng/g levels.

A wide variety of LC column chemistries were evaluated to demonstrate new chromatographic approaches to complex PFAS analyte lists.

Strata-SDB-L and Luna Omega 1.6 µm PS C18 demonstrate excellent precision and recovery in EPA Method 537.1 for the analysis of PFAS in drinking water.

A novel LC approach to manipulate the chromatography of closely related PFAS analytes to separate co-eluties and avoid matrix interferences.

An online thermal desorber has been developed for the automated, in situ, determination of VOCs. The system does not need liquid nitrogen or CO2.

This e-book demonstrates the use of Purge and Trap coupled with GC–MS to meet the challenges of VOC analysis for the most common EPA regulations and methods.

Learn how to convert your GC carrier gas from helium to hydrogen with this step-by-step guide to avoid the increasing cost of helium.

GCxGC TOFMS analysis can be overwhelming, but ChromaTOF Tile can quickly compare these data sets to bring statistically significant differences to the forefront.

What has happened over the last two years since the global helium shortage was the hot topic in GC, where do we currently stand, and what is the short-term outlook?

This application demonstrates a reliable GC–MS/MS method for analysis of nitrosamine drug products including the three impurities NDMA, NDEA, and NDBA listed by US FDA.

Historically, helium has been used as a makeup or carrier gas. Learn about the disadvantages of helium and why so many laboratories are switching to nitrogen gas for GC.

Profiling of whiskeys in the Lucidity miniGC shows alcohol content as well as the amount of seven other interesting compounds that add flavor and aroma to the whiskeys.

Profiling of whiskeys in the Lucidity miniGC shows alcohol content as well as the amount of seven other interesting compounds that add flavor and aroma to the whiskeys.

The profiling of edible oils in the Lucidity miniGC, allows users to confirm the type of oil and measure the amounts of saturation of the different components of the oil.

The Eclipse Neutrino, a premier monomer analyzer process gas chromatograph, couples MSD, PDHID, and FID detectors to characterize an extremely broad range of analytes from fixed gases to C5+. Quickly detecting ppm-ppb levels of impurities and catalyst poisons.

The low sensory threshold of 2,4,6-tricholoranisole (TCA), a major contributor of wine cork taint, is hard to detect without a sensitive instrument like the Pegasus® BT.

A highly sensitive, validated method for atrazine determination in different water types using the QSight 420 LC–MS/MS employed a simple filtration and direct injection.

Using the LX50 UHPLC and QSight 420 triple quad MS, three analytical methods were developed to provide sensitive, reproducible results without the need for pre-concentration steps.