BS ISO 16740:2005
Current
The latest, up-to-date edition.
Workplace air. Determination of hexavalent chromium in airborne particulate matter. Method by ion chromatography and spectrophotometric measurement using diphenyl carbazide
Hardcopy , PDF
English
24-02-2005
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General definitions
3.2 Particle size fraction definitions
3.3 Sampling definitions
3.4 Analytical definitions
3.5 Statistical terms
4 Principle
5 Reactions
6 Requirement
7 Reagents
8 Apparatus
8.1 Sampling equipment
8.2 Laboratory apparatus
9 Occupational exposure assessment
9.1 General
9.2 Personal sampling
9.3 Static sampling
9.4 Selection of measurement conditions and measurement
pattern
10 Sampling method
10.1 Preliminary considerations
10.2 Preparation for sampling
10.3 Sampling position
10.4 Collection of samples
10.5 Transportation
11 Analysis
11.1 Analytical requirements
11.2 Preparation of solutions for determination of soluble
hexavalent chromium compounds
11.3 Preparation of solutions for determination of insoluble
hexavalent chromium compounds
11.4 Instrumental analysis
11.5 Estimation of detection and quantification limits
11.6 Quality control
11.7 Measurement uncertainty
12 Expression of results
13 Method performance
13.1 Sample collection and stability
13.2 Hotplate extraction
13.3 Ultrasonic extraction
13.4 Interferences
14 Special cases
14.1 Spray-painting
14.2 Action to be taken when particles have become dislodged
from the filter during transportation
15 Test report
15.1 Test record
15.2 Laboratory report
Annex A (informative) Temperature and pressure corrections
Annex B (informative) Background on methods for determination
of hexavalent chromium in air and guidance
on their use
Bibliography
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