PREN 10351 : DRAFT 2009

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