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93951-81-6
003 µg/mL 1 ion W
TLC polyester sheets with a mixture of silica and a strongly acidic cation exchanger (SCX)
it belongs to the most popular seals for routine analysis
VA HPLC guard column (analytical), NUCLEOGEL Anion I, 10 µm, 21x4 mm HS-5.0235 93951-81-6For 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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