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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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HPLC Guard Columns: How They Work

Author – Rajesh Babu Dandamudi, Ph.D., Phenomenex Technical Manager This morning, I was watching a video clip forwarded by one of my motorcycle enthusiast friends. This was a video clip

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Chromatographic Peaks and Syringe Filtration

I have an intermittent issue with chromatographic peaks appearing in my analysis. I think they might be coming from my syringe filters, what should I do? It is possible that

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The Importance of a Well Prepared Mobile Phase Explained

A buffer is an AQUEOUS solution containing a weak acid and its conjugate base (or a weak base and its conjugate acid). The pH of a buffer solution changes very

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Liquid-Liquid Extraction vs. Simplified Liquid Extraction

Article source technical application "Liquid-Liquid Extraction (LLE) vs. Novum™ Simplified Liquid Extraction (SLE) Case Study: Analysis of Monomeric Phenolic Fermentation Inhibitors in Dilute-Acid Plant Hydrolysate" Pretreatment of lignocellulosic biomass is

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New Concerns about PFAS in Food: The Convergence of Environmental Contamination and Food Safety

This article "New Concerns about PFAS in Food" has been reprinted with the kind permission of International Labmate Ltd - first printed in International Labmate, February 2021, Volume 46 Issue

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All About Performing GC Column Bake Outs

June 28, 2022June 22, 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

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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 PreparationSitting With Scientists

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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Chromatography Spotlight: Select the Right Mobile Phase Solvent for Reversed Phase LC

May 5, 2022April 11, 2022 Science UnfilteredLeave a comment Share

The mobile phase used for reversed phase LC can be a pure solvent, a combination of a mixed solvent, or a solvent that contains buffers and additives. The mobile phase Continue Reading

Tagged HPLC Column,hplc mobile phase,lcms mobile phase,mobile phase solvent
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Stay Prepped: Sample Preparation Best Practices

April 21, 2022April 11, 2022 Science UnfilteredLeave a comment Share

Sample preparation may feel like a basic, routine task, but it lies at the core of your HPLC analyses. Running robust, accurate, and good analytical methods for HPLC and GC Continue Reading

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GC Solutions for Testing Organic Pollutants

April 7, 2022March 8, 2022 Science UnfilteredLeave a comment Share

Modern regulations emphasize analytical methods that can separate critical analyte pairs for identification and quantitation. To meet experimental separation goals and exceed regulatory requirements, new gas chromatography (GC) column selectivities Continue Reading

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Proper Ways to Clean Your HPLC Column

March 24, 2022March 21, 2022 Science UnfilteredLeave a comment Share

We all know that HPLC columns have a finite lifetime and even after good clean-up and storage they will reach the end of their lifetime. However, there are certain measures Continue Reading

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Cannabis Residual Solvents FAQs

March 10, 2022February 23, 2022 Science UnfilteredLeave a comment Share

In the cannabis space, residual solvents are volatile compounds that may have been used to extract, process, or refine cannabis materials. Traces of these solvents remain present after post-extraction methods Continue Reading

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Sample Prep Showdown: SPE vs. LLE vs. SLE

February 22, 2022February 21, 2022 Science UnfilteredLeave a comment Share

Sample Preparation (SP) is a broad technique that encompasses any modification to a collected sample before its qualitative or quantitative analysis. Not only does sample preparation remove interfering contaminates and Continue Reading

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Top Posts

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  • ¿Por qué C18 es la fase estacionaria más popular para fase reversa?

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