标准编号:ISO 20227:2017
中文名称:水质 污水、自然水域和紫背浮萍中的化学品生长抑制作用的测定 使用原种独立微生物试验法
英文名称: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
发布日期:2017-06
标准范围
This document 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 waste water and industrial effluents. The test is also applicable to pure chemicals and in particular, plant protection products and pesticides.