Specialized GC Column
WEL-TVOC, 50m×0.32mm×1.0μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WEL-TVOC, 50m×0.32mm×3.0μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WEL-PONA, 50m×0.2mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WEL-bpx-70, 30m×0.22mm×0.25μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WM-TVOC, 50m×0.32mm×1μm, II
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WM-CN100, 50m×0.25mm×0.2μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WM-CN100, 100m×0.25mm×0.2μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WM-TVOC, 60m×0.20mm×1.12μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
WM-TVOC, 50m×0.32mm×1μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for pesticide residues, 30m×0.32mm×0.25μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for pesticide residues, 30m×0.53mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for pesticide residues, 30m×0.25mm×0.25μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for amides, 30m×0.53mm×5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for sulfides, 30m×0.53mm×5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for methane, 30m×0.53mm×20μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for Liquor, 30m×0.32mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for Liquor, 30m×0.32mm×1μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for Medical ethanol, 30m×0.32mm×1μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for chloroacetic acid, 30m×0.2mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for organophosphorus pesticide residues, 30m×0.32mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for fatty acids in aoybean oil, 30m×0.32mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
GC column for alkyl mercury, 15m×0.53mm×0.5μm
For separation problem of some complex samples, Welch developed the dedicated column which can be applied to pesticide analysis, volatile organic compounds analysis, petrochemical analysis, liquor ...
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