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188398-87-0
60 mm) Sales Quantity 1 needle per pack Hub C-Female
1000ug/mL AMMONIUM 500mL
4'-DDE-d8 (dichloropropyl-d4) (95%)
Diisopropyl phthalate
EC HPLC guard column (analytical), NUCLEOSIL CHIRAL-2/3, 5 µm, 4x3 mm 5183-4312 188398-87-0For 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