CLOSED LOOP INSTRUMENT SYSTEM FOR REGULATING INTRAVENOUS INFUSION OF FLUIDS, CONSISTING OF A VARIABLE PRESSURE VOLUMETRIC PUMP, A PRESSURE TRANSDUCER AND A CONTROLLER

analytical instrumentation for automating titration measurements, namely acid/base, redox, preset endpoint, and precipitation titration measurements, as well as analysis of non-titratable species; a laboratory autosampler, and software therefor