EC HPLC guard column (analytical), NUCLEODUR 100-3 NH2-RP, 3 µm, 4x3 mm pH 4 Point Style 5 Needle Length

Point Style 5 Needle Length 2 inch (51 mm) Autoclavable Yes Needle Inner Diameter 0

and CP-9025 GC Autosamplers

3-Trimethylnaphthalene

210555-94-5

AS1KTH25-1

EC HPLC guard column (analytical), NUCLEODUR 100-3 NH2-RP, 3 µm, 4x3 mm pH 4 Point Style 5 Needle LengthFor 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