EC HPLC guard column (analytical), NUCLEODUR HILIC, 5 µm, 4x3 mm 2283456 Flat bottom enables a stable

Flat bottom enables a stable standing position

AS1KHF25-1A

Dysprosium 100 mg/l for ICP-MS

Methyl 11-trans-octadecenoate

sudan blue II

EC HPLC guard column (analytical), NUCLEODUR HILIC, 5 µm, 4x3 mm 2283456 Flat bottom enables a stableFor 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