Foreword
1 Scope
2 Normative references
3 Principle
   3.1 Preparation of the test solution
   3.2 Instrumental techniques
       3.2.1 Flame atomic absorption spectrometry (FAAS)
       3.2.2 Inductively coupled plasma emission
             spectrometry (ICP-ES)
4 Apparatus
   4.1 General
   4.2 Volumetric glassware
   4.3 Filtration system
   4.4 Instruments
       4.4.1 Flame atomic absorption spectrometer
       4.4.2 Inductively coupled plasma emission
             spectrometer
5 Reagents
   5.1 General
   5.2 Nitric acid (HNO[3])
       5.2.1 Concentrated nitric acid
       5.2.2 Nitric acid 1:1 (V/V)
       5.2.3 Nitric acid 1:2 (V/V)
   5.3 Hydrochloric acid (HCI)
       5.3.1 Concentrated hydrochloric acid
       5.3.2 Hydrochloric acid 1:1 (V/V)
   5.4 Ammonia solution
   5.5 Pure lead
   5.6 Manganese nitrate solution
   5.7 Potassium permanganate solution
   5.8 Standard solutions
       5.8.1 Standard solutions (1 g/l)
       5.8.2 Standard solutions (100 mg/l)
       5.8.3 Standard solutions (10 mg/l)
       5.8.4 Multi-element solutions (either 10 mg/l or
             100 mg/l)
6 Sampling and sample preparation
7 Procedure
   7.1 Preparation of the test solution
       7.1.1 Dissolution
       7.1.2 Co-precipitation with manganese dioxide
       7.1.3 Test solution
   7.2 Preparation of the synthetic test solution
   7.3 Preparation of the blank test solution
   7.4 Preparation of the calibration solutions
8 Determination of elements by FAAS
   8.1 General
   8.2 Calibration and measurement of the test solution
   8.3 Expression of results
       8.3.1 Analyte recovery rate
       8.3.2 Analyte content in the sample
9 Determination of elements by ICP-ES
   9.1 General
   9.2 Calibration and measurement of the test solution
   9.3 Expression of results
       9.3.1 Analyte recovery rate
       9.3.2 Analyte content in the sample
10 Test report
Bibliography