EC HPLC guard column (analytical), NUCLEODUR PolarTec, 3 µm, 4x2 mm [201900][MICROLAB] Chemical Form in Solution: Pr(OH)y(H2O)x+3-y

Chemical Form in Solution:  Pr(OH)y(H2O)x+3-y

CGNA1-30ML

3 reels of 5 m length and 7 mm width in one plastic box

CGYB10-500ML

362049-53-4

EC HPLC guard column (analytical), NUCLEODUR PolarTec, 3 µm, 4x2 mm [201900][MICROLAB] Chemical Form in Solution: Pr(OH)y(H2O)x+3-yFor 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