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Faster Environmental Sample Analysis with Accelerated Solvent Extraction

By Thermo Fisher Scientific

The interview is about asking customer questions on their use of our ASE or AutoTrace sample preparation system for a particular area of environmental analysis. The interviewee will be telling the interviewer (LCGC editor) what they do using our instrument, their workflow for their routine work, why is it so important to do these analyses, and the challenges and how the instruments help them to achieve what they want.

Intuvo 9000 Gas Chromatography System

By Sponsor's Content

This podcast will celebrate the launch of the Agilent Intuvo 9000 GC System.Intuvo changes the paradigm in GC and is Agilent’s new GC solution which comprises capillary gas chromatographs, consumables and supplies. Based on numerous patented innovations, designed to simplify the way GC is done, the Agilent Intuvo System greatly improves operational efficiency in the GC laboratory.

Perchlorate Analysis by IC: Water Impact

By Sponsor's Content

Continuing MilliporeSigma’s series of podcasts on the impact of water quality on chromatography techniques, Joe Plurad discusses the practical effects of ultrapure water in a specific area of analysis: The importance of water quality on perchlorate analysis by ion chromatography (IC).

Q&A with Stuart Adams

By Sponsor's Content

Some polar ionic pesticides, such as glyphosate, glufosinate, and chlorate and their associated metabolites, residues of polar ionic compounds, are usually often extracted using acidified solvents as used in the so-called Quick Polar Pesticides Extraction (QuPPe) method. This method, which was developed by the European Reference Laboratory for single residue methods, does not incorporate either solvent partitioning or clean-up steps. Thus, the extracts can contain high amounts of co-extracted matrix compounds and be are difficult to analyze. To obtain sufficient chromatographic retention and acceptable peak shapes, individual extracts have to be analyzed multiple times using different chromatographic columns and conditions. Suppressed ion chromatography coupled to mass spectrometry has a number of advantages in the analysis of ionic pesticides. In this interview, Dr. Stuart Adams discusses his thoughts on the use of ion-chromatography in food control laboratories and, especially for the analysis of polar ionic pesticides.

Q&A with Professor Amadeo Fernandez-Alba

By Thermo Fisher Scientific

The introduction of more affordable high resolution, accurate mass (HRAM) mass spectrometry technology coupled to liquid chromatography (LC) brings a new level of performance and flexibility in full scan and MS/MS acquisition modes and perfectly complements recent developments in GC-HRAM technology. Together these technologies provide truly comprehensive workflow solutions for pesticides residues analysis with the capability of performing simultaneously quantitative target residues whilst screening for pesticides not expected to be present in the samples; all at low ng/g concentrations, in complex sample types, and in a single analysis. These developments place a lot of analytical power into the hands of the residues chemists, but which operational parameters do they need to select to harness the power to provide most the most effective residues analysis? In this Q & A, Prof. Amadeo Fernandez-Alba discusses his thoughts on the use of HRAM in food control laboratories

Orbitrap GC-MS for Quantitative and Qualitative Multi-residue Analysis of Pesticides

By Sponsor's Content

The recent introduction of high resolution, accurate mass (HRAM) OrbitrapTM technology coupled to GC brings a new level of performance and flexibility in full scan acquisition and more. Comparable sensitivity and selectivity of triple quadrupole GC-MS/MS, but with broad scope, and the capability for simultaneous targeted and non-targeted analysis of pesticides at low ng/g concentrations, in complex sample types. In this Q & A, Paul Silcock discusses the story so far, around the use of Orbitrap GC-MS for quantitative and qualitative multi-residue analysis of pesticides.

Challenges & Benefits of Using SFC

By Sponsor's Content

Ted Szczerba, Technical Director of Chromatography and SFC Separations at Regis Technologies, overviews incorporating Supercritical Fluid Chromatography (SFC) into his separations lab. With over 30 years experience working with chiral compounds and over 10 years running SFC, he assesses the value of the technique versus the drawbacks of what is available in the field today. Learn about a typical screening day and this industry veteran's advice on what is needed for an effective separations process.

Looking for What We Know About and What We Don’t in Drinking Water

By Sponsor's Content

This podcast will explore the latest developments in the analysis of contaminants of emerging concern in drinking water. We will explore the requirements and results from the EPA’s Unregulated Contaminant Monitoring Rule 3 program for Perfluorinated organics, and hormones. After a brief overview of the EPA analytical techniques, we’ll take a look at new technology and ask how it compares for both and if it can find compounds we didn’t even know were there.

Hormone Analysis by LC–MS and Water Impact

By Sponsor's Content

The increased use of hormone-based therapies in health care throughout the world has resulted in hormones finding their way into municipal water supplies. The potential health risks of unintended consumption of hormones through drinking water have significantly increased the interest in identifying these compounds in our water supplies. The Milli-Q system incorporates a combination of purification processes that provides ultrapure, hormone-free lab water for the LC–MS techniques used for interference-free analysis of these contaminants.

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