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Hf ICP-MS 195 amu 5 ppt n/a M+ 179Hf16O *ICP-OES D
Z)-Methomyl-d3 (N-methyl-d3)
Packaging Refill Tower
CGTI1-30ML
EC HPLC guard column (analytical), NUCLEODUR 300-5 C18 ec, 5 µm, 4x2 mm 8010-0170 Hf ICP-MS 195 amu 5For 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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