eLibrary >
BS EN ISO 21676:2021 Water quality. Determination of the dissolved fraction of selected active pharmaceutical ingredients, transformation products and other organic substances in water and treated waste water. Method using high performance liquid chromato >
Expand All
TOC Search:
BS EN ISO 21676:2021 Water quality. Determination of the dissolved fraction of selected active pharmaceutical ingredients, transformation products and other organic substances in water and treated waste water. Method using high performance liquid chromato, 2021
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Interferences
- 5.1 During sample preparation
- 5.2 During high performance liquid chromatography and mass spectrometry
- 6 Reagents
- 6.1 General
- 6.2 Preparation of solutions
- 7 Apparatus
- 8 Sampling
- 9 Procedure
- 9.1 General
- 9.2 Sample preparation
- 9.3 High performance liquid chromatography (HPLC)
- 9.4 Detection
- 9.4.1 General
- 9.4.2 Tandem mass spectrometry (MS/MS)
- 9.4.3 High-resolution mass spectrometry (HRMS)
- 9.5 Blank value measurements
- 10 Calibration
- 10.1 General
- 10.2 Calibration with external standard
- 10.3 Calibration with internal standard
- 11 Calculation of recovery
- 11.1 General
- 11.2 Calculation of analyte recovery using samples
- 11.3 Recovery of internal standards
- 12 Evaluation
- 12.1 Verification of individual substances
- 12.2 Calculation of the individual results using calibration with an external standard
- 12.3 Calculation of the individual results using calibration with an internal standard
- 13 Expression of results
- 14 Test report
- Annex A (informative) Performance data
- Annex B (informative) Examples of recovery
- Annex C (informative) Examples of HPLC columns and chromatograms
- Annex D (informative) Examples of detection
- Annex E (informative) Examples of extension of the method
- Bibliography [Go to Page]