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BS ISO 8518:2022 – TC

BS ISO 8518:2022 – TC

$217.84

Tracked Changes. Workplace air. Determination of particulate lead and lead compounds. Flame and electrothermal atomic absorption spectrometric methods

Published By Publication Date Number of Pages
BSI 2022 90
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PDF Catalog

PDF Pages PDF Title
1 30466669
51 A-30395417
52 National foreword
57 Foreword
58 Introduction
59 1 Scope
2 Normative references
60 3 Terms and definitions
4 Principle
61 5 Reactions
6 Requirement
7 Reagents
63 8 Apparatus
66 9 Occupational exposure assessment
9.1 Assessment strategy
9.2 Measurement strategy
9.2.1 General
9.2.2 Personal sampling
9.2.3 Static (area) sampling
9.3 Selection of measurement conditions and measurement pattern
9.3.1 General
67 9.3.2 Screening measurements of time-weighted average concentration and worst-case measurements
9.3.3 Screening measurements of variation of concentration in either time or space, or both
9.3.4 Measurements for comparison with limit values and periodic measurements
10 Sampling
10.1 Preliminary considerations
10.1.1 Selection and use of samplers
10.1.2 Sampling period
68 10.1.3 Temperature and pressure effects
10.2 Preparation of sampling equipment
10.2.1 Cleaning of samplers
10.2.2 Loading the samplers with sampling substrate
10.2.3 Setting the volumetric flow rate
69 10.2.4 Field blanks
10.3 Sampling position
10.3.1 Personal sampling
10.3.2 Static (area) sampling
10.4 Collection of samples
70 10.5 Transportation
10.6 Storage
11 Analysis
11.1 Cleaning of glassware and plasticware
71 11.2 Preparation of sample and blank solutions
11.2.1 General
11.2.2 Selection of sample dissolution method
11.2.3 Hot plate digestion method
11.2.4 Microwave assisted digestion method
72 11.2.5 Ultrasonic extraction method
73 11.3 Instrumental analysis
11.3.1 Selection of analytical line
11.3.2 Flame atomic absorption spectrometry
74 11.3.3 Electrothermal atomic absorption spectrometry
76 11.4 Estimation of the instrumental detection limit
11.5 Estimation of the method detection limit and method quantification limit
11.6 Quality control
11.6.1 General
11.6.2 Reagent blanks and media blanks
77 11.6.3 Spiked samples and spiked duplicate samples
11.6.4 Certified reference materials
11.6.5 External quality assessment
12 Expression of results
12.1 Calculation
78 12.2 Method performance
12.2.1 Sample collection
12.2.2 Hot plate digestion and flame atomic absorption spectrometry
12.2.3 Microwave assisted digestion and flame atomic absorption spectrometry
12.2.4 Ultrasonic extraction and flame atomic absorption spectrometry
12.2.5 Hot plate digestion and electrothermal atomic absorption spectrometry
12.2.6 Microwave assisted digestion and electrothermal atomic absorption spectrometry
12.2.7 Ultrasonic extraction and electrothermal atomic absorption spectrometry
79 13 Special cases
14 Test report
81 Annex A (informative) Guidance on filter selection
84 Annex B (informative) Sampler wall deposits
86 Annex C (normative) Temperature and pressure correction
87 Bibliography

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BS ISO 8518:2022 - TC
$217.84