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Potassium hydrogen phthalate
The 1 mm connector is designed to attach pulled glass needles directly to a small hub RN connection
Benzene-d6
Pigment Green
Pyrimethanil-d5 (phenyl-d5)
EC HPLC guard column (analytical), NUCLEOSIL 100-5 C18, 5 µm, 4x3 mm 100017-1-500 Potassium hydrogen phthalateFor 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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