ASTM-D4323 › Standard Test Method for Hydrogen Sulfide in the Atmosphere by Rate of Change of Reflectance
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1.1 This test method covers the automatic continuous determination of hydrogen sulfide (H2S) in the atmosphere or in gaseous samples in the range from one part per billion by volume (1 ppb/v) to 3000 ppb/v. Information obtained may be used for air-pollution studies and to monitor for emission sources.
1.2 The range may be extended by appropriate dilution techniques or by equipment modification.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. (See Section for specific safety precautionary statements.)
atmospheres; hydrogen sulfide; tape sampler;; ICS Number Code 13.040.20 (Ambient atmospheres)
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April 15, 2015