Comparison of Hydrogen Sulfide Analysis Techniques

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Abstract
A summary and critique of common methods of analysis for H2S is presented. The procedures described are: reflectance from silver plates and lead acetate-coated tiles, lead acetate and mercuric chloride paper tape, sodium nitroprusside and methylene blue wet chemical methods, infrared spectrophotometry, and gas chromatography. Pertinent details included for each method are type (continuous, semicontinuous, averaging), lower detection limit, range, known interferences and suggestions for their elimination, and appropriate instrument parameters as wavelength, flow rates, temperature, and sample size. The limitations of each technique are clearly described, as are the advantages, in such a manner as to aid the user to select proper instrumentation for his analytical requirements.

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