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GC-VUV as an Alternate Method to Karl Fischer Titration for Determination of Water in Ketones
Jack Cochran, VUV Analytics
Jack discusses how the GC-VUV alternative method to Karl Fischer titration provides more accurate water determination in ketone solvents.
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Handling Analyte Concentration Differentials with Makeup Gas Pressure Programming For GC-VUV
James Diekmann, VUV Analytics
Makeup gas pressure programming can be used to balance wide analyte concentration differences encountered in gas chromatography, allowing for proper compound identification and quantitative analysis by…
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Fast Residual Solvent Analysis by GC-VUV
Lindsey Shear-Laude, VUV Analytics
Lindsey Shear-Laude describes residual solvent analysis in pharmaceutical products by GC-VUV and static headspace. GC run times are reduced by >5X and solvent classes can be…
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Better Living Through (Flavor) Chemistry Part 1 – We Don’t Need No Separation, We Don’t Need No Flow Control
Alex Hodgson, VUV Analytics
Alex describes how GC-VUV is able to differentiate terpene isomers, and why it's possible to speed up GC run times and increase sample throughput.
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Rapid Equilibration of Samples for Residual Solvents Analysis by Static Headspace – GC-VUV
Jack Cochran, VUV Analytics
Jack describes using a combination of water and DMSO in residual solvents analysis in pharmaceutical products using static headspace - GC-VUV. GC run times are reduced…
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Residual Solvent Analysis – Improving Static Headspace Sampling with Water
Jack Cochran, VUV Analytics
Detectability in static headspace – GC for residual solvent analysis is largely driven by a solvent’s ability to partition from the pharmaceutical ingredient diluent into the…
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Residual Solvent Analysis – Non-Target Analysis
Jack Cochran, VUV Analytics
Our first efforts at doing residual solvent analysis in pharmaceutical products using static headspace – GC-VUV involved the Class 1 and Class 2 compounds specified by…
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Residual Solvent Analysis – No Matrix Effects with the Gerstel MPS2 Static Headspace Autosampler
Jack Cochran, VUV Analytics
Jack explains how no matrix effects were seen during the development of the fast GC-VUV and static headspace method for residual solvent analysis.
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Residual Solvent Analysis – The Lazy Analytical Chemist
Jack Cochran, VUV Analytics
Jack describes how unique VUV spectra enabled the deconvolution of co-eluting analytes that occurred during fast GC-VUV of residual solvent analysis of Class 3 compounds.
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