Pay in 4 interest-free payments of $40.25 Learn more
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
17942-32-4
Element properties Potassium
5-Nitro-o-toluidine
Chemical Form in Solution: Cr(H2O)63+
3-Methoxytyramine-d4 hydrochloride
EC HPLC guard column (analytical), NUCLEOSIL 300-5 C18, 5 µm, 4x3 mm E3HF4P 17942-32-4For protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary
US$ 187.50
US$ 135.00