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PD CEN/TS 15656:2015 Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method, 2015
- Contents Page
- Foreword
- 1 Scope
- 2 Normative references
- 3 Principle
- 4 Reagents
- 5 Apparatus
- 6 Sampling
- 7 Procedure [Go to Page]
- 7.1 Preparation of the test portion solution [Go to Page]
- 7.1.1 Test portion
- 7.1.2 Test portion solution
- 7.2 Blank test
- 7.3 Check test
- 7.4 Establishment of the calibration curve [Go to Page]
- 7.4.1 Preparation of the calibration solutions [Go to Page]
- 7.4.1.1 General
- 7.4.1.2 Phosphorus mass fraction between 0,001 % and 0,005 %
- Table 1 — Calibration for phosphorus mass fractions between 0,001 % and 0,005 % [Go to Page]
- 7.4.1.3 Phosphorus mass fraction between 0,005 % and 0,01 %
- Table 2 — Calibration for phosphorus mass fractions between 0,005 % and 0,01 % [Go to Page]
- 7.4.1.4 Phosphorus mass fraction between 0,01 % and 0,10 %
- Table 3 — Calibration for phosphorus mass fractions between 0,01 % and 0,10 % [Go to Page]
- 7.4.1.5 Phosphorus mass fraction between 0,10 % and 0,50 %
- Table 4 — Calibration for phosphorus mass fractions between 0,10 % and 0,50 % [Go to Page]
- 7.4.2 Adjustment of the spectrophotometer
- 7.4.3 Spectrophotometric measurement of the calibration solutions
- 7.4.4 Calibration curve
- Table 5 — Wavelength, cell path length and reference solution [Go to Page]
- 7.5 Determination [Go to Page]
- 7.5.1 General
- 7.5.2 Procedure [Go to Page]
- 7.5.2.1 Phosphorus mass fraction between 0,001 % and 0,005 %
- 7.5.2.2 Phosphorus mass fraction between 0,005 % and 0,01 %
- 7.5.2.3 Phosphorus mass fraction between 0,01 % and 0,10 %
- 7.5.2.4 Phosphorus mass fraction between 0,10 % and 0,50 %
- 7.5.3 Spectrophotometric measurements
- 8 Expression of results
- 9 Precision
- Table 6 — Statistical information
- 10 Test report
- Bibliography [Go to Page]