Pay in 4 interest-free payments of $40.50 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Active ingredients from strongly matrix contaminated
702826 and 702826
Bis(2-ethylhexyl) phthalate-3
AS10kNA25-1
21870-97-3
EC HPLC guard column (analytical), NUCLEODUR 100-3 C8 ec, 3 µm, 4x2 mm Method - Nitrate - Modified Griess reaction Active ingredients from strongly matrixFor protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary
US$ 39.90
US$ 106.90
US$ 39.90
US$ 34.90
US$ 29.90
US$ 21.90
US$ 29.90
US$ 52.90
US$ 31.90