DIN EN ISO 21676 : 2022 Title: 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 chromatography and mass spectrometric detection (HPLC-MS/MS or -HRMS) after direct injection (ISO 21676:2018) Year: 2022 Publisher: DIN Media GmbH Availability: Within 1-2 working days