Sonication improved TN recovery by 5 42% compared to a mechanically agitated sample. Sampling was via a 0.8 mm ID autosampler probe, using a Thermalox TN analyser. This directly injects the sample aliquot into a catalytic furnace. USER FRIENDLY WINDOWS™ PLATFORM SOFTWARE ALLOWS THE 8 1 00 S TO BE SET UP FOR DIFFERENT VIAL RACK GEOMETRIES AND METHODS. SERCON CAN PROVIDE SOFTWARE PACKAGES TO INTEGRATE THE 8100S WITH A MAIN ANALYSER