NEN EN 14726 : 2005

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Review and principle of test method
6 Consumables and calibration materials
   6.1 Consumables
   6.2 Reference material and recalibration samples
7 Testing equipment
   7.1 Spark spectrometer
   7.2 Equipment for sample preparation
8 Samples
   8.1 Requirements on test samples
   8.2 Sampling
9 Sample preparation
10 Operating conditions of the spectrometer
11 Taking measurements
12 Calibration and evaluation (methods of calculation)
   12.1 Fundamental principles
   12.2 Standard and reference materials
   12.3 Base calibration
   12.4 Recalibration
   12.5 Alloy group calibration with simultaneous calibration
13 Accuracy (precision and trueness)
   13.1 General
   13.2 Possibility of error
   13.3 Measuring and calibration uncertainty
   13.4 Comprehensive investigation of accuracy
14 Inspection
   14.1 General
   14.2 Continuous supervision
   14.3 Checking the analytical sample
   14.4 Analytical capability
15 Availability of the analytical system
16 Test report
Annex A (informative) Representative sparking area
Bibliography

Provides guidance on the criteria and the fundamental operation procedure governing the spark optical emission spectral analysis (S-OES) of metal samples, beginning with sampling, through sample preparation to reporting the test, as well as the requirements of the whole spark source spectrometric procedure.