Ultisil MM NH2/CN column features a mixed-mode stationary phase with amino (NH2) and cyano (CN) bonding, providing unique selectivity compared to conventional amino columns. It is particularly suit...
Welchrom TPH (Chinese Herbal Special) solid phase extraction column fillers are filled in layered by A, B and C ingredients in a certain proportion. The effect is to remove the pigment in Chinese h...
Ultisil MM NH2/CN column features a mixed-mode stationary phase with amino (NH2) and cyano (CN) bonding, providing unique selectivity compared to conventional amino columns. It is particularly suit...
WelFlash columns include a wide variety of amorphous silica, spherical silica, and inorganic sorbent packing materials, offering a diverse range of sample selectivity. The packing materials consist...
QuEChERS (pronounced “catchers”) stands for Quick, Easy, Cheap, Effective, Rugged and Safe - the qualities that describe this sample preparation method for food substances. The technique is quite s...
QuEChERS (pronounced “catchers”) stands for Quick, Easy, Cheap, Effective, Rugged and Safe - the qualities that describe this sample preparation method for food substances. The technique is quite s...
Activated carbon has a very high adsorption capacity, but the adsorption process is irreversible, making it difficult to elute the adsorbed substances. Welchrom Carb overcomes the irreversibility o...
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
Activated carbon has a very high adsorption capacity, but the adsorption process is irreversible, making it difficult to elute the adsorbed substances. Welchrom Carb overcomes the irreversibility o...
