EC HPLC guard column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 4x3 mm [55019-50][MICROLAB] Hf ICP-OES 208

Hf ICP-OES 208

4-PrO-DMT hemifumarate (2:1)

13029-09-9

16-Docosapentaenoic acid (all-cis)

Is your method of addition of the IS very precise

EC HPLC guard column (analytical), NUCLEOSHELL RP 18plus, 5 µm, 4x3 mm [55019-50][MICROLAB] Hf ICP-OES 208For 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