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ISO 19040-2:2018
Water quality — Determination of the estrogenic potential of water and waste water — Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans)- 발행일 : 2018-08-07
- 발행기관 : ISO
상세정보
분야 | ISO/TC 147/SC 5 : Biological methods |
---|---|
적용범위 | This document specifies a method for the determination of the estrogenic potential of water and waste water by means of a reporter gene assay with a genetically modified yeast strain Arxula adeninivorans. This reporter gene assay is based on the activation of the human estrogen receptor alpha. Arxula adeninivorans is a highly robust and salt- and temperature-tolerant test organism and is especially suitable for the analysis of samples with high salinity (conductivity up to 70 mS/cm). The test organism can be cultivated in medium with sodium chloride content up to 20 %. This method is applicable to: — fresh water; — waste water; — sea water; — brackish water; — aqueous extracts and leachates; — eluates of sediments (fresh water); — pore water; — aqueous solutions of single substances or of chemical mixtures; — drinking water. The limit of quantification (LOQ) of this method for the direct analysis of water samples is between 1,5 ng/l and 3 ng/l 17β-estradiol equivalents (EEQ). The upper threshold of the dynamic range for this test is between 25 ng/l and 40 ng/l 17β-estradiol equivalents (EEQ). Samples showing estrogenic potencies above this threshold have to be diluted for a valid quantification. Extraction and pre-concentration of water samples can prove necessary, if their estrogenic potential is below the given LOQ. An international interlaboratory trial for the validation of this document has been carried out. The results are summarized in Annex F. NOTE Extraction and pre-concentration of water samples can prove necessary. |
국제분류(ICS)코드 | 13.060.70 : 물의 생물학적 특성에 대한 시험 |
페이지수 | 55 |
Edition | 1 |
이력정보
No. | 표준번호 | 표준명 | 발행일 | 상태 |
---|---|---|---|---|
1 | ISO 19040-2:2018상세보기 | Water quality — Determination of the estrogenic potential of water and waste water — Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans) | 2018-08-07 | 표준 |
관련상품
- ISO 19040-1:2018 - Water quality — Determination of the estrogenic potential of water and waste water — Part 1: Yeast estrogen screen (Saccharomyces cerevisiae)
- ISO 19040-3:2018 - Water quality — Determination of the estrogenic potential of water and waste water — Part 3: In vitro human cell-based reporter gene assay
다른 사람이 함께 구입한 상품
- JIS K 3822:1990 - Testing methods for specific resistivity recovery characteristic of water filtered by ultrafiltration modules
- ISO 10705-1:1995 - Water quality — Detection and enumeration of bacteriophages — Part 1: Enumeration of F-specific RNA bacteriophages
- ISO 17294-2:2016 - Water quality — Application of inductively coupled plasma mass spectrometry (ICP-MS) — Part 2: Determination of selected elements including uranium isotopes
- ISO 16075-3:2015 - Guidelines for treated wastewater use for irrigation projects — Part 3: Components of a reuse project for irrigation
- ISO 2063-2:2017 - Thermal spraying — Zinc, aluminium and their alloys — Part 2: Execution of corrosion protection systems
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