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Harmful Gases Within Your Home?

Air quality and pollution have been a concern for many years. In the 1970s and ‘80s, it was discovered that the ozone layer above Antarctica was thinning, and it brought air

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Extracting Nitrosamines and 1-4 Dioxane: The Answers to Sample Prep Challenges for a Robust Analysis by GC

Nitrosamines and 1-4 dioxanes are compounds classes notorious both for their carcinogenic potential and for their widespread pollution throughout the environment. From air, to water, to food—they pose a concerning

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Troubleshooting GC Column Problems

 Although we wish our GC column would always perform perfectly, there are times when issues rear their ugly heads. When this happens, it can be difficult to know what the

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Ten Most Common GC Troubleshooting Questions

1. GC troubleshooting can be daunting and time-consuming so, when facing peak and resolution issues, where is the best place to start? The inlet is the most common place where

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Could Hand Sanitizer Constitute a Health Hazard?

Since July of 2020, the FDA has issued more than 100 voluntary recalls for hand sanitizers due to the presence of toxic components or deficient alcohol levels to be effective.

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Derivatizing Reagents for GC – The Buffers Strike Back

Our previous technical tip spoke about silylation reagents that may be used to derivatize a range of polar, acidic, and basic analytes to improve volatility and peak shape during gas chromatography. Silylating

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Featured

Common HPLC Applications

September 19, 2022September 16, 2022 Science UnfilteredLeave a comment Share

High performance liquid chromatography, or HPLC, is a method used to separate out the compounds in a chemical mixture. It is a versatile method of analysis that has a number Continue Reading

EnvironmentalFeaturedPFAS

Fast and Economical PFAS Extraction Using Strata PFAS

September 6, 2022December 12, 2022 Science UnfilteredLeave a comment Share

PFAS are a class of highly stable synthetic organic compounds used in a wide variety of industrial and commercial applications. They are also highly stable in the environment and strongly Continue Reading

Featured

What to Look For in a GC Septa

August 22, 2022August 22, 2022 Science UnfilteredLeave a comment Share

Puncture!  Pierce!  Puncture!  Pierce! The fierce repetition and rage, Of a needle that is 26 gauge. Or was that 26s? Yes! Deliver the sample to a place none finer, Than Continue Reading

FeaturedLiquid Chromatography (LC)

How to Speed up Your HPLC Analysis

August 9, 2022August 8, 2022 Science UnfilteredLeave a comment Share

Column efficiency is a balance of trying to run your methods at a fast speed, without compromising separation quality. When an HPLC analysis is run quickly, you have more time Continue Reading

Tagged Chromatography,HPLC Column,hplc column length,hplc mobile phase,HPLC System
EnvironmentalFeaturedPFAS

PFAS Analysis Workflow: Are you ready to take on UCMR 5 demand?

July 28, 2022December 12, 2022 Science UnfilteredLeave a comment Share

Every five years, the Safe Drinking Water Act (SDWA) requires EPA to issue a list of priority unregulated contaminants to be monitored by certain public water systems serving between 3,300 Continue Reading

Tagged Chromatography,pfas
EnvironmentalFeaturedPFAS

Monitoring Human Exposure to PFAS

July 12, 2022December 12, 2022 Science UnfilteredLeave a comment Share

Introduction As the PFAS story continues, it is becoming widely recognized that drinking water isnot the only source by which humans can be exposed and suffer the effects of harmful Continue Reading

Featured

All About Performing GC Column Bake Outs

June 28, 2022September 14, 2022 Science UnfilteredLeave a comment Share

It is very important for GC users to know how to preserve the GC columns. Proper preservation not only helps in ensuring accurate results, but it also saves you money Continue Reading

Featured

Choosing the Right HPLC Column for LC-MS

June 16, 2022June 16, 2022 Science UnfilteredLeave a comment Share

Mass spectrometry (MS) is one of the most popular detection techniques for liquid chromatography (LC). It is also a technique that is not compatible with many of the mobile phase Continue Reading

Tagged column phase,HPLC Column,hplc column stationary phase,lcms columns,reverse phase column,volatile buffer
FeaturedGas Chromatography (GC)

Troubleshooting GC Column Problems

June 2, 2022June 2, 2022 Science UnfilteredLeave a comment Share

 Although we wish our GC column would always perform perfectly, there are times when issues rear their ugly heads. When this happens, it can be difficult to know what the Continue Reading

FeaturedLiquid Chromatography (LC)Pharma / BiopharmaSample Preparation

Chiral SMB Perspectives with Dr. Olivier Dapremont

May 18, 2022May 17, 2022 Science UnfilteredLeave a comment Share

New look at Chiral SMB with Dr. Olivier Dapremont Olivier Dapremont earned his Ph.D. in chemical engineering and applied chemistry from the University of Pierre & Marie Curie in Paris Continue Reading

Tagged Chemical engineering,Chiral,chiral chemistry,Chiral SMB,PhenoPrep

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Top Posts

  • Common HPLC Problems & How to Deal With Them
  • Buffers in Mobile Phase - Their Significance of Choosing the Correct Ones
  • Proper Ways to Clean Your HPLC Column
  • The Effects of Changing Column Inner Diameter on LC-MS Applications- Part 1
  • Guía de cuidado de columnas: cómo limpiar una columna de HPLC

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