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9999% purity|Accredited by A2LA to ISO/IEC 17025:2017 and ISO 17034:2016
AS10kB10-3
70 mL CHROMABOND SPE polypropylene (PP) columns
10 µg/mL (10 ppm) for ICP-MS in 2% HNO3
Accessory Holder & Country Specific Power
EC HPLC guard column (analytical), NUCLEODUR 100-3 CN-RP, 3 µm, 4x3 mm 5190-8517 9999% purity|Accredited by A2LA toFor 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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