ISO 20227-2017
ISO 20227-2017 标准详情
- 标准号:ISO 20227-2017
- 中文标题:
- 英文标题:Water quality -- Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza -- Method using a stock culture independent microbiotest
- 标准类别:国际标准化组织ISO
- 发布日期:
内容简介
ISO 20227:2017 specifies a method for the determination of the inhibition of the growth of the first fronds of Spirodela polyrhiza germinated from turions, by substances and mixtures contained in water or waste water, including treated municipal wast
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