EC HPLC guard column (analytical), NUCLEODUR HILIC, 3 µm, 4x2 mm INWC-02 35694-06-5

35694-06-5

21145-77-7

Na2CO3 in Pt0 or Borax in Pt0)

Samarium 100 mg/l for ICP-MS

46 mm) Barrel Outer Diameter 0

EC HPLC guard column (analytical), NUCLEODUR HILIC, 3 µm, 4x2 mm INWC-02 35694-06-5For 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