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BS ISO 23506:2021

BS ISO 23506:2021

$167.15

Workplace air. Analysis of airborne water immiscible mineral oil droplets and vapor with Fourier. Transform infrared spectroscopy

Published By Publication Date Number of Pages
BSI 2021 34
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The method described in this document quantifies the absolute exposure to mineral oil vapours and droplets, within a concentration range from 0,5 mg/m3 to 125 mg/m3, in the inhalable fraction of the workplace air.

This document contains comprehensive information and instructions on the equipment and chemicals to be used.

This method is applicable for water soluble oils and metal working fluids.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
10 5 Apparatus and reagents
5.1 Collecting materials for analysis and other chemicals
11 5.2 Sampler equipment
5.3 Analytical equipment
12 5.4 Other equipment
13 6 Polymer resin preparation
6.1 Drying
6.2 Sieving
6.3 Purification of unused polymer resin
6.3.1 General
6.3.2 Step 1: Preparatory purification with ethanol
6.3.3 Step 2: Purifying with tetrachloroethene
14 7 Sampling
7.1 Sampler preparation
7.1.1 Glass fibre filter (droplets)
7.1.2 Polymer resin (vapours)
7.1.3 Marking
7.1.4 Cleaning
7.1.5 Assembly
7.2 Sampling
7.2.1 Parameters
15 7.2.2 Pump
7.2.3 Initial flow rate
7.2.4 Flow rate verification
7.2.5 Storage and transport
8 Analysis
8.1 FTIR scanning parameters
8.2 Preparation
8.2.1 Sample
8.2.2 Solvent blank
8.2.3 Collection substrate blank
16 8.3 Calibration
8.3.1 General
8.3.2 Stock solution
8.3.3 Calibration standards
17 8.3.4 Calibration with liquid paraffin
8.4 Measurement
8.4.1 General
8.4.2 Instrument background
8.4.3 Filling the cuvette
8.4.4 Calibration
8.4.5 Sample measurement
18 9 Evaluation
9.1 Calibration
9.2 Samples
19 10 Interferences
20 Annex A (informative) Validation
28 Annex B (informative) Example for estimation of expanded uncertainty
32 Bibliography

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BS ISO 23506:2021
$167.15