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Closure with slit Silicone/PTFE septum for safe penetration of thick or blunt HPLC needles
Chemical Form in Solution: Zn(OH)(aq)1+
Pre-sealed vial-closure combinations to reduce the contamination risk during consumption
clear acrylic syringe
Heptachlor-endo-epoxide (trans-)
EC HPLC guard column (analytical), NUCLEOSIL 100-5 C6H5, 5 µm, 4x3 mm Cemented Needle (CN) Closure with slit Silicone/PTFE septumFor 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