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471238-97-8
The CAL solutions are used to calibrate the instrument response with res
Semi-quantitative test strips for the determination of Calcium
and then combine the three solutions at 50 – 100x dilutions to evaluate if more spectrally complex solutions (i
Metazachlor oxalic acid
EC HPLC guard column (analytical), NUCLEOSIL 100-5 C18 HD, 5 µm, 4x3 mm [AAK1-500ML][ALFREDH] 471238-97-8For 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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