Thermo Fisher introduces new GC solvents

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  • Published: Mar 3, 2016
  • Author: Jon Evans
  • Source: Thermo Fisher Scientific
  • Suppliers: Thermo Fisher Scientific
  • Channels: Gas Chromatography
thumbnail image: Thermo Fisher introduces new GC solvents

Thermo Fisher Scientific has introduced new solvents designed to detect residual solvents and volatile organic compounds (VOCs) used or produced during the manufacturing of pharmaceuticals, food packaging, personal care products, paint and other samples.

The new line of Fisher Chemical gas chromatography (GC) headspace-grade solvents can accurately detect the amount of residual solvent, providing users with a measure of toxicity. The headspace-grade solvents are performance tested to exceed the purity standards required by the International Conference of Harmonization, allowing for accurate detection of organic volatile impurities in a sample.

“We are excited to offer a complete solution that meets the needs of testing for residual impurities in research samples,” said Stephen Roemer, senior manager product development at Thermo Fisher Scientific. “The new Fisher Chemical GC headspace-grade solvents allow researchers to improve detection of impurities, are tested to ensure low organic contamination, amplify productivity and ensure detection of Classes 1 to 3 or residual solvents.”

Headspace GC analysis is a common practice to detect and quantify residual solvents in products and unreacted monomers in packaging. The technique requires extraction of residual solvents from the sample using a high-purity solvent that is free of contaminants that could interfere with GC analysis by co-eluting with the peaks of interest.

All products in the new line of GC headspace-grade solvents have impurities equal to or below 1ppm for Class 1 residual solvents, 10ppm for Class 2 and 50ppm for Class 3. The product offerings include water, dimethyl sulfoxide (DMSO), N,N-dimethylformamide (DMF), N,N-dimethylacetamide (DMAC) and N-methyl-2-pyrrolidone (NMP). All of the solvents are tested by UV absorbance spectroscopy to ensure low organic contamination and are packaged in an inert atmosphere to maximize shelf life in unopened containers

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