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ONORM EN 14726 : 2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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ALUMINIUM AND ALUMINIUM ALLOYS - CHEMICAL ANALYSIS - GUIDELINE FOR SPARK OPTICAL EMISSION SPECTROMETRIC ANALYSIS
01-05-2019
12-01-2013
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
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