The OMA-300 hydrogen sulfide (H2S) analyzer crude oil edition from Applied Analytics, Inc. (AAI) is a specialized configuration of the OMA-300 H2S system. Equipped with a headspace sample-conditioning system, it monitors an opaque liquid process. When a sample is too dark or dirty to transmit a light signal, the head-space system is said to produce a represen-tative vapor-phase sample that can be easily monitored via ultraviolet-visible absor-bance spectroscopy and correlated to the chemical composition of the liquid process.
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