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Lithium (Li+) Single-Element Ion Cation Standard
O-Diethylthiophosphate-13C2
Valve Model: 3-3Valve Model Description: "T" Flow Path 3-portsFluid Path: PTFE/CTFEValve Size: HVNominal Port Diameter: 0
Chromate - Carbazide
Volasil 244 (Techn
EC HPLC guard column (analytical), NUCLEOSHELL RP 18, 5 µm, 4x3 mm 5190-8356 Lithium (Li+) Single-Element Ion CationFor 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