ASTM D4856-23

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.
Designation: D4856 − 23
Standard Test Method for
Determination of Sulfuric Acid Mist in Workplace
Atmospheres Collected on Mixed Cellulose Ester Filters (Ion
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Chromatographic Analysis)
This standard is issued under the fixed designation D4856; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This ion chromatographic test method describes the
determination of sulfuric acid mist in air samples collected
2. Referenced Documents
from workplace atmospheres on a mixed cellulose ester (MCE)
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2.1 ASTM Standards:
filter.
D1193 Specification for Reagent Water
NOTE 1—Other filter types such as quartz fiber, polytetrafluoroethylene
D1356 Terminology Relating to Sampling and Analysis of
(PTFE), and polyvinyl chloride (PVC) filters are also suitable.
Atmospheres
1.2 The lower detection limit of this test method is
D1914 Practice for Conversion Units and Factors Relating to
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0.001 mg ⁄sample or 0.017 mg ⁄m of sulfuric acid (H SO )
2 4 Sampling and Analysis of Atmospheres
mist in 60 L of air sampled at 1 L/min.
D4327 Test Method for Anions in Water by Suppressed Ion
Chromatography
1.3 This test method is subject to interference from soluble
D4840 Guide for Sample Chain-of-Custody Procedures
and partially soluble sulfate salts. Other sulfur-containing
D5337 Practice for Setting and Verifying the Flow Rate of
compounds can be oxidized to sulfate and also interfere.
Personal Sampling Pumps
1.4 The values stated in SI units are to be regarded as
D8358 Guide for Assessment and Inclusion of Wall Deposits
standard. No other units of measurement are included in this
in the Analysis of Single-Stage Samplers for Airborne
standard.
Particulate Matter
1.5 No detailed instrument operating instructions are pro-
E200 Practice for Preparation, Standardization, and Storage
vided because of differences among various makes and models
of Standard and Reagent Solutions for Chemical Analysis
of ion chromatography (IC) systems. Instead, the analyst shall
E288 Specification for Laboratory Glass Volumetric Flasks
follow the instructions provided by the manufacturer of the
E1154 Specification for Piston or Plunger Operated Volu-
particular instrument, analytical column, and suppressors used.
metric Apparatus and Operator Qualification
2.2 ISO and European Standards:
1.6 This standard does not purport to address all of the
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ISO 648 Laboratory glassware — Single-volume pipettes
safety concerns, if any, associated with its use. It is the
ISO 7708 Air quality — Particle size fraction definitions for
responsibility of the user of this standard to establish appro-
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health-related sampling
priate safety, health, and environmental practices and deter-
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ISO 18158 Workplace air — Terminology
mine the applicability of regulatory limitations prior to use.
ISO 20581 Workplace air — General requirements for the
For specific precautionary statements, see Section 9.
performance of procedures for the measurement of chemi-
1.7 This international standard was developed in accor-
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cal agents
dance with internationally recognized principles on standard-
ISO 21438-1 Workplace atmospheres — Determination of
ization established in the Decision on Principles for the
inorganic acids by ion chromatography — Part 1: Non-
Development of International Standards, Guides and Recom-
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volatile acids (sulfuric acid and phosphoric acid)
1 2
This test method is under the jurisdiction of ASTM Committee D22 on Air For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Quality and is the direct responsibility of Subcommittee D22.04 on Workplace Air contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Quality. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Sept. 1, 2023. Published October 2023. Originally the ASTM website.
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approved in 1988. Last previous edition approved in 2016 as D4856 – 11 (2016). Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
DOI: 10.1520/D4856-23. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D4856 − 23
NOTE 3—Some size-selective samplers are designed to collect the
EN 13205 Workplace exposure — As
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