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876310-28-0
Methyltin mercaptide
12 self-adhesive test labels in a bag
18281-04-4
GC-IRMS Standard Kit
EC HPLC guard column (analytical), NUCLEODUR PFP, 5 µm, 4x2 mm [AASC1-125ML][JMPRICES] 876310-28-0For 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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