Accounting for interfering stream chemicals is the central consideration in engineering accurate H2S measurement. The OMA-300 H2S takes the proactive approach, monitoring each interfering compound (e.g. SO2, COS, mercaptans) alongside H2S as a peripheral component. Highly accurate multi-species analysis begins with the nova-II spectrometer, where 1,024 discrete photodiodes monitor UV absorbance in real time; AAI’s proprietary over-determined regression algorithm isolates each compound’s concentration from the composite absorbance.
The end result? H2S concentration is provided absolutely free from cross-interference and without any compromise in sample integrity. Challenging the dated tradition of lead acetate tape methods, the OMA-300 H2S showcases the elegance and unrivaled accuracy of diode array UV spectroscopy in hydrogen sulfide applications.