BS ISO 24384:2024
$142.49
Water quality. Determination of chromium(VI) and chromium(III) in water. Method using liquid chromatography with inductively coupled plasma mass spectrometry (LC-ICP-MS) after chelating pretreatment
Published By | Publication Date | Number of Pages |
BSI | 2024 | 28 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
6 | Foreword |
7 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
10 | 5 Interferences 5.1 General 5.2 Samples 5.3 Sample storage and sample preparation 5.4 Chelating pretreatment 5.5 LC-ICP-MS measurements |
11 | 6 Reagents and standards |
13 | 7 Apparatus |
14 | 8 Sampling, preservation and storage of samples |
15 | 9 Procedure 9.1 Sample preparation 9.1.1 pH-adjustment of water sample 9.1.2 Chelating pretreatment 9.2 Optimization of operating condition for LC-ICP-MS |
16 | 9.3 Identification of Cr(VI) and Cr(III) on LC-ICP-MS 9.4 Blank value measurements 10 Calibration 10.1 General requirements |
17 | 10.2 Calibration covering the total procedure |
18 | 10.3 Recovery test of target substances 11 Calculation 11.1 Use of the calibration curve to determine the result 11.2 Calculation of results after calibration |
19 | 11.3 Treatment of results lying outside the calibration range 12 Expression of results 13 Test report |
20 | Annex A (informative) Example of an operating condition of LC-ICP-MS and chromatogram of Cr(VI) and Cr(III) in the case of PDCA-chelating pretreatment |
22 | Annex B (informative) Example of operating condition of LC-ICP-MS and chromatograms of Cr(VI) and Cr(III) in the case of EDTA-chelating pretreatment |
24 | Annex C (informative) Performance data |
26 | Bibliography |