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6-Dichlorophenol
which among others also contains diethanolamine and propanolpyridine (this test mixture is separately available)
AALU1-125ML
Thallium 100 mg/l for ICP-MS
70-200) for Mass spectrometry
VA HPLC guard column (analytical), NUCLEOGEL SUGAR Na, 8-10 µm, 21x4 mm Filling quantity - 2/2g 6-DichlorophenolFor 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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