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BS ISO 17091:2013

Current
Current

The latest, up-to-date edition.

Workplace air. Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide. Method by measurement of corresponding cations by suppressed ion chromatography
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-30-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Requirement
6 Reagents
7 Apparatus
8 Occupational exposure assessment
9 Sampling
10 Analysis
11 Expression of results
12 Method performance
13 Test report
Annex A (informative) - Temperature and pressure correction
Annex B (normative) - Filter materials
Annex C (informative) - Sampler wall deposits
Bibliography

Provides a method for the determination of the time-weighted average mass concentration of lithium hydroxide (LiOH), sodium hydroxide (NaOH), potassium hydroxide (KOH), and calcium dihydroxide [Ca(OH)[2]] in workplace air by collection of the particulate hydroxides on a filter and analysis of the corresponding cations using ion chromatography.

This International Standard specifies a method for the determination of the time-weighted average mass concentration of lithium hydroxide (LiOH), sodium hydroxide (NaOH), potassium hydroxide (KOH), and calcium dihydroxide [Ca(OH)2] in workplace air by collection of the particulate hydroxides on a filter and analysis of the corresponding cations using ion chromatography.

For aerosol sampling, the method is applicable to the personal sampling of the inhalable fraction of airborne particles, as defined in ISO7708, and to static (area) sampling.

The method is applicable to the determination of masses of 0,005mg to at least 2,5mg of lithium per sample and 0,01mg to at least 5mg of sodium, potassium, and calcium per sample.

The concentration range of particulate LiOH, NaOH, KOH, and Ca(OH)2 in air for which the measuring procedure is applicable is determined by the sampling method selected by the user. For a 1m3 air sample, the working range is approximately 0,002mgm−3 to at least 20mgm−3 for all four hydroxides. For a 30l air sample, the lower limit of the working range is approximately 0,1mgm−3 for all four hydroxides.

The procedure does not allow differentiation between the hydroxides and their corresponding salts if both are present in the air. If the cations are present alone in the form of hydroxides, the method is specific for these basic compounds. In other circumstances, the results obtained represent the highest concentration of the hydroxides that could be present in the sampled air. (See 12.6.)

Committee
EH/2/2
DevelopmentNote
Supersedes 12/30258004 DC. (09/2013)
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 17091:2013 Identical

ASTM E 1370 : 2014 : REDLINE Standard Guide for Air Sampling Strategies for Worker and Workplace Protection
ASTM D 4840 : 1999 Standard Guide for Sampling Chain-of-Custody Procedures
ISO 7708:1995 Air quality — Particle size fraction definitions for health-related sampling
ISO 8655-1:2002 Piston-operated volumetric apparatus Part 1: Terminology, general requirements and user recommendations
ISO 3585:1998 Borosilicate glass 3.3 Properties
ISO 8756:1994 Air quality Handling of temperature, pressure and humidity data
ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
EN 482:2012+A1:2015 Workplace exposure - General requirements for the performance of procedures for the measurement of chemical agents
EN 13890:2009 Workplace exposure - Procedures for measuring metals and metalloids in airborne particles - Requirements and test methods
EN 14902:2005/AC:2006 AMBIENT AIR QUALITY - STANDARD METHOD FOR THE MEASUREMENT OF PB, CD, AS AND NI IN THE PM10 FRACTION OF SUSPENDED PARTICULATE MATTER
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
ISO 8655-2:2002 Piston-operated volumetric apparatus Part 2: Piston pipettes
PREN 13205-1 : DRAFT 2012 WORKPLACE EXPOSURE - ASSESSMENT OF PERFORMANCE OF INSTRUMENTS FOR MEASUREMENT OF AIRBORNE PARTICLE CONCENTRATIONS - PART 1: GENERAL REQUIREMENTS
EN 1540:2011 Workplace exposure - Terminology
ISO 8655-6:2002 Piston-operated volumetric apparatus Part 6: Gravimetric methods for the determination of measurement error
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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