IMPROVEMENTS IN INSTRUMENTS FOR MEASURING THE TOTAL ORGANIC CARBON CONTENT OF WATER

摘要

An improved instrument, method and a circuit for measuring the total organic carbon (TOC) content of water, using UV radiation (UV lamps 50 and 62) combines a "static sample part" (42) and a "continuous flow module" (44). This provides substantially instantanous TOC measurements that are repetitively calibrated, as well as improved accuracy of results in a circuit, which provides improved noise rejection and a faster response. also the instrument provides controlled dilution of the sample stream to extent the useful range of the instrument.