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© 2021 MJH Life Sciences and Chromatography Online. All rights reserved.
© 2021 MJH Life Sciences™ and Chromatography Online. All rights reserved.
January 01, 2021
Temperature is frequently employed to enhance analytical extractions, especially with solid samples or volatile analytes. Using temperature to enhance analytical extractions continues today with more recently developed techniques, which we explore.
December 08, 2020
A panel discussion on the latest advances and future developments in sample preparation.
November 04, 2020
Which key efficiency techniques can maximize your analytical goals? This instalment of the LCGC Blog begins by describing the principles and optimization of liquid-liquid extraction (LLE).
November 01, 2020
It is important to develop analytical methods to detect crude MCHM components in environmental water samples. This article describes two microextractive methods based on solid-phase microextraction (SPME) in fibre format and thin film microextraction (TFME) that were developed and validated for 4-MCHM and other constituents of crude MCHM.
This article reviews how nanomaterials are being used in a variety of sample preparation techniques, such as dispersive solid-phase extraction (dSPE), solid-phase microextraction (SPME), stir-bar sorptive extraction (SBSE), and matrix solid-phase dispersion (MSPD).
The analysis of contaminants found in environmental waters and originating from personal care products using metalorganic frameworks (MOFs) combined with liquid chromatography (LC) is described. This work expands the use of MOFs from gas chromatography to LC and also meets the requirements of green analytical chemistry.
A simple method for the analysis of leachables using solid-phase microextraction (SPME) and comprehensive two-dimensional gas chromatography, coupled to mass spectrometry (GCxGC–MS). This fully automated method bypasses the use of solvents and excessive sample handling. Four potential leachables were tentatively identified.
October 01, 2020
Douglas E. Raynie explores formal and informal training opportunities that may be available to educate all chemists in the fundamentals of necessary laboratory sample preparation skills.
September 08, 2020
Oliver Napoleon Hill (1883– 1970) was an American self-help author once described as ”the most famous conman you’ve probably never heard of” (1 ). Conman maybe, but there is a quote of his that I believe to be particularly true when considering sample preparation for chromatography techniques; ”The one who tries to get something for nothing generally winds up getting nothing for something.”
August 01, 2020
In electromembrane extraction (EME), the target analyte is extracted from an aqueous sample across a supported liquid membrane (SLM) and analyzed using LC. Through the study presented here, we demonstrate the principles of the technique and test its performance.