![EC HPLC guard column (analytical), NUCLEOSIL 120-5 C18, 5 µm, 4x3 mm [7651-01][MICROLAB] d4 C27 ααα (20R)-Cholestane](https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_guard_column_EC_4-3_NUCLEOSIL_NUCLEODUR_NUCLEOSHELL_chromatography_8984cf0d-c1ed-4908-bf14-578144b36b2d.jpg?v=1740396393)
Pay in 4 interest-free payments of $40.25 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
d4 C27 ααα (20R)-Cholestane
2-tert-Butyl-4-methylphenol
566 mm) Std Needle Dead Volume 0 µL Sales Quantity 1 syringe per pack
Base material - activated carbon
EC HPLC guard column (analytical), NUCLEOSIL 120-5 C18, 5 µm, 4x3 mm [7651-01][MICROLAB] d4 C27 ααα (20R)-CholestaneFor 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