![EC HPLC guard column (analytical), NUCLEOSIL 100-5 NH2-RP, 5 µm, 4x3 mm [AAU1-125ML][IVDAUSD] 1190043-34-5](https://cdn.shopify.com/s/files/1/0296/2155/1241/products/HPLC_guard_column_EC_4-3_NUCLEOSIL_NUCLEODUR_NUCLEOSHELL_chromatography_9ee56b0f-47e1-4222-ba4c-d1c3cdd48c2e.jpg?v=1740396377)
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1190043-34-5
Tritest L indicator paper has three different indicator zones separated by two hydrophobic barriers
000ug/mL MOLYBDENUM 500mL
21061-10-9
EC HPLC guard column (analytical), NUCLEOSIL 100-5 NH2-RP, 5 µm, 4x3 mm [AAU1-125ML][IVDAUSD] 1190043-34-5For 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
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