BS ISO 13933 , تعیین کلسیم و منیزیم فولاد و آهن

BS ISO 13933 : Steel and iron — Determination of calcium and magnesium — Inductively coupled plasma atomic emission spectrometric method

دانلود استاندارد BS ISO 13933 (استاندارد بین المللی ایزو برای تعیین میزان کلسیم و منیزیم در آهن و فولاد، توسط روش اسپکتروسکوپی جذب اتمی پلاسما)

فهرست استاندارد ISO 13933 :

1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
5.1 Inductively coupled plasma atomic emission spectrometer
5.2 Polytetrafluoroethylene (PTFE) beakers with PTFE cover
6 Sampling
7 Procedure
7.1 Test portion
7.2 Blank test
7.3 Determination
7.4 Adjustment of the apparatus
7.5 Measurement of the calibration solutions
7.6 Plotting a calibration curve
7.7 Measurements of the test solution
8 Expression of results
8.1 Method of calculation
8.2 Precision
9 Test report
Annex A (normative) Procedure for the determination of instrumental criteria
Annex B (informative) Additional information on international cooperative test
Annex C (informative) Graphical representation of precision data