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      QX/T 216-2013 "Determination of formaldehyde in the atmosphere, phenolic reagent Spectrophotometric method, spec-trophotometry" specifies a method for the determination of formaldehyde in the atmosphere using phenolic reagent Spectrophotometric method, spec-trophotometry. This standard is applicable to the monitoring and analysis of formaldehyde concentration in the atmospheric environment. The principle is that formaldehyde reacts with phenolic reagents to form colored compounds, and the measurement of its Absorbance at a specified wavelength determines the formaldehyde concentration.

      This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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      CCS (A47) 气象学 ICS (07.060) 地质学、气象学、水文学
      Release Date 2013-12-22 00:00:00 Implementation Date 2014-05-01 00:00:00
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