Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
4.1 Hydrochloric acid, HCl (rho[20] = 1,19 g/ml)
4.2 Hydrochloric acid, solution 1 + 1
4.3 Nitric acid, HNO[3] (rho[20] = 1,33 g/ml)
4.4 Nitric acid, solution 1 + 1
4.5 Hydrofluoric acid, HF (rho[20] = 1,13 g/ml)
4.6 Sulphuric acid, H[2]SO[4] (rho[20] = 1,84 g/ml)
4.7 Sulphuric acid, solution 1 + 1
4.8 Fusion mixture
4.9 Aluminium, 1 g/l standard solution
4.10 Chromium 1 g/l standard solution
4.11 Cobalt 1 g/l standard solution
4.12 Copper 1 g/l standard solution
4.13 Manganese 1 g/l standard solution
4.14 Molybdenum 1 g/l standard solution
4.15 Nickel 1 g/l standard solution
4.16 Phosphorus 1 g/l standard solution
4.17 Tin 1 g/l standard solution [freshly prepared]
4.18 Vanadium 1 g/l standard solution
4.19 Internal standard solution, 1 g/l
4.20 Pure iron
5 Apparatus
5.1 Close texture filter paper and/or 0,45 [mu]m
cellulose nitrate filter
5.2 Filter funnel suitable for 0,45 [mu]m filters
5.3 Vacuum vessel
5.4 Platinum crucibles and platinum covers
5.5 Atomic emission spectrometer, equipped with
inductively coupled plasma (ICP)
6 Sampling
7 Sample solution preparation
7.1 Test portion
7.2 Preparation of the test solution
8 Calibration process
8.1 Preparation of the multi-elemental calibration
solutions
8.2 Standardization or re-calibration
9 Determination
9.1 Adjustment of the apparatus
9.2 Spectrometric measurements of the calibration solutions
9.3 Analysis
10 Expression of results
11 Precision
12 Test report
Annex A (informative) - Optical emission spectrometer (OES) -
Suggested performance criteria to be checked
Annex B (normative) - Synoptic of the operations related to
section 9
Annex C (informative) - Test samples used for the precision
test
Annex D (informative) - Detailed results obtained from the
precision test
Annex E (informative) - Graphical representation of the
precision data
Bibliography