Page 2 of 828 IC Dual Suppressor by Metrohm AG

one plus one equals three with the 828 ic dual suppressor metrohm introduces a new suppressor generation in addition to the usual chemical suppression which eliminates the carbonate-hydrogen carbonate background the new suppressor has an additional suppression stage that removes the co2 produced to reduce the background conductivity even further this increases the peak areas in the ppm range and above by approximately 30 at the same time the areas of the injection peak water dip and the system peak diminish considerably this means improved detection of the anions that elute very early and of those situated around the system peak retention time of hco3­/co32­ the new formula in gradient ic 1+1=3 when purchasing an 828 ic dual suppressor and adding it to your modular metrohm ic system you have at your disposal · a chemical suppressor · a co2 suppressor · an electronic suppressor this means that your system now covers the whole spectrum of ion chromatography you can now determine anions with or without chemical suppression and analyze samples for cations using electronic suppression when performing anion chromatography the injection peak water dip and the system peak no longer affect your chromatography what s more you still have a wide range of eluents at your disposal namely borate carbonate-hydrogen carbonate and hydroxide eluents this is how the injection peak water dip is minimized determination of standard anions using a the metrohm suppressor module msm b the 828 ic dual suppressor

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