Pay in 4 interest-free payments of $40.50 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Claritas PPT® Grade ICP-MS Instrument Check Standard 4
9-Nitroanthracene
6-Trimethylbenzothiophene
They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations
6'-octabromodiphenyl ether
EC HPLC guard column (analytical), NUCLEODUR 100-3 C18 ec, 3 µm, 4x2 mm Phase - Xtra SILGUR Claritas PPT® Grade ICP-MS InstrumentFor protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary
US$ 20.00
US$ 11.95
US$ 15.95