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 |
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 |