ASTM-D2913:2001 Edition

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D2913-96(2001)e1 Standard Test Method for Mercaptan Content of the Atmosphere

Published By	Publication Date	Number of Pages
ASTM	2001	4

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Categories: 13.040.20 - Ambient atmospheres, ASTM

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Description

ASTM D2913-96-e1-Reapproved2001

Historical Standard: Standard Test Method for Mercaptan Content of the Atmosphere

ASTM D2913

Scope

1.1 This test method covers measurement of the concentration 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) level, the sampling period can be reduced or the liquid volume increased either before or after aspirating. The minimum detectable amount of methyl mercaptan is 0.04 µg/mL (1) 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/m ³ at 101.3 kPa (760 mm Hg) and 25^oC). 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 the 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in 8.7, 8.8, and Section 9.

Keywords

ambient atmospheres; analysis; mercaptans; sampling

ICS Code

ICS Number Code 13.040.20 (Ambient atmospheres)

DOI: 10.1520/D2913-96R01E01

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use Interferences
2	Apparatus Reagents and Materials
3	Safety Precautions Sampling Calibration and Standardization Procedure Calculation
4	Precision and Bias Keywords REFERENCES

Additional information

Standard Title	D2913-96(2001)e1 Standard Test Method for Mercaptan Content of the Atmosphere
Published Code	ASTM
Publication Date	2001
Pages Count	4
ICS Codes	13.040.20 - Ambient atmospheres