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82 mm) Needle Inner Diameter 0
Most popular screw closure N 9 with a Silicone/PTFE septum for reliable analysis results even in sophisticated analysis
Methyl perfluorooctane sulfonate
Geological Samples( fuse in Pt0 with Na2CO3 followed by HCl solution of the fuseate)
EC HPLC guard column (analytical), NUCLEOCEL DELTA S, 5 µm, 4x3 mm [7746-01][MICROLAB] 82 mm) Needle Inner DiameterFor protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary
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US$ 284.00