ASTM D2913-20
Standard Test Method for Mercaptan Content of the Atmosphere

Standard No.

ASTM D2913-20

Release Date

2020

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM D2913-20

Scope

1.1 This test method is for the measurement of mercaptans (organic thiols) in the atmosphere at concentrations below 100 parts per billion (ppb(v) = 195 µg/m3 ). For concentrations above 100 ppb(v), the sampling period can be reduced or the trapping liquid volume increased either before or after aspirating. (See Practice D1357 for sampling guidance.) The minimum detectable amount of methyl mercaptan is 0.04 µg/mL (1)2 in a final liquid volume of 25 mL. When sampling air at the maximum recommended rate of 2 L/min for 2 h, the minimum detectable mercaptan concentration is 1.0 ppb(v) (1.95 µg methyl mercaptan/m3 at 101.3 kPa (760 mm Hg) and 25°C). This test method determines total mercaptans and does not differentiate among individual mercaptans, although it is most sensitive to the lower molecular weight alkanethiols. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in 8.7, 8.8, and Section 9. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D2913-20 Referenced Document

• ASTM D1193 Standard Specification for Reagent Water
• ASTM D1356 Standard Terminology Relating to Sampling and Analysis of Atmospheres*， 2024-04-22 Update
• ASTM D1357 Standard Practice for Planning the Sampling of the Ambient Atmosphere
• ASTM D1914 Standard Practice for Conversion Units and Factors Relating to Sampling and Analysis of Atmospheres*， 2022-09-01 Update
• ASTM D2914 Standard Test Methods for Sulfur Dioxide Content of the Atmosphere (West-Gaeke Method)
• ASTM D3195 Standard Practice for Rotameter Calibration
• ASTM D3249 Standard Practice for General Ambient Air Analyzer Procedures
• ASTM D3609 Standard Practice for Calibration Techniques Using Permeation Tubes*， 2022-11-01 Update
• ASTM D3631 Standard Test Methods for Measuring Surface Atmospheric Pressure
• ASTM E2251 Standard Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids*， 2021-12-01 Update

ASTM D2913-20 history

• 2020 ASTM D2913-20 Standard Test Method for Mercaptan Content of the Atmosphere
• 2014 ASTM D2913-14 Standard Test Method for Mercaptan Content of the Atmosphere
• 1996 ASTM D2913-96(2007) Standard Test Method for Mercaptan Content of the Atmosphere
• 1996 ASTM D2913-96(2001)e1 Standard Test Method for Mercaptan Content of the Atmosphere
• 2001 ASTM D2913-96 Standard Test Method for Mercaptan Content of the Atmosphere