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PHYELLOW-7-500ML
AATH1-500ML
Washer bottle closure
celite) for simultaneous preparation of several samples
EC HPLC guard column (analytical), UNIVERSAL RP, 4x3 mm [80930][MICROLAB] PHYELLOW-7-500MLFor 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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