http://www.laboratorytalk.com http://www.laboratorytalk.com http://www.laboratorytalk.com/magazine/graphics/logo.png http://www.laboratorytalk.com http://www.laboratorytalk.com/analytical-instruments/chromatography/gas/safely-switching-to-hydrogen/405640.article http://www.laboratorytalk.com/analytical-instruments/chromatography/gas/safely-switching-to-hydrogen/405640.article Research from scientists at Peak Scientific suggests that the use of hydrogen in gas chromatography (GC) is safe. Wed, 15 May 2013 09:38 GMT http://www.laboratorytalk.com/analytical-instruments/chromatography/gas/managing-helium-use-in-the-laboratory/405568.article http://www.laboratorytalk.com/analytical-instruments/chromatography/gas/managing-helium-use-in-the-laboratory/405568.article Peak Scientific has advised GC operators to switch to hydrogen in the face of dwindling helium supplies. Thu, 25 Apr 2013 16:17 GMT http://www.laboratorytalk.com/analytical-instruments/chromatography/determining-halogens-and-sulphur-in-differing-matrices/405270.article http://www.laboratorytalk.com/analytical-instruments/chromatography/determining-halogens-and-sulphur-in-differing-matrices/405270.article Metrohm has produced 11 new application notes on combustion ion chromatography (CIC).  Thu, 7 Feb 2013 14:49 GMT http://www.laboratorytalk.com/laboratory-equipment-and-wares/water-purification/environmental-impact-of-elix-uv-lab-water-purification-system/405166.article http://www.laboratorytalk.com/laboratory-equipment-and-wares/water-purification/environmental-impact-of-elix-uv-lab-water-purification-system/405166.article This technical note compares the environmental effect of an Elix 3 water purification system with that of a distillation system. Thu, 10 Jan 2013 09:40 GMT http://www.laboratorytalk.com/analytical-instruments/chromatography/absolute-size-exclusion-chromatography/405157.article http://www.laboratorytalk.com/analytical-instruments/chromatography/absolute-size-exclusion-chromatography/405157.article Malvern describes how combining DLS and chromatography can lead to enhanced resolution of protein size distributions. Mon, 7 Jan 2013 10:30 GMT http://www.laboratorytalk.com/analytical-instruments/chromatography/analysis-of-catecholamines/405125.article http://www.laboratorytalk.com/analytical-instruments/chromatography/analysis-of-catecholamines/405125.article Fortis Technologies’ technical note describes the analysis of Catecholamines on its silica-based Fortis HILIC column.  Mon, 7 Jan 2013 10:07 GMT