ISO 11731:2017 specifies culture methods for the isolation of Legionella and estimation of their numbers in water samples. These methods are applicable to all kinds of water samples including potable, industrial, waste and natural waters.

with normal laboratory practice. This document does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to ensure compliance with an.

2014年12月31日 · BS EN ISO 11731:2017规定了军团菌分离和数量估计的培养方法 在水样中。 这些方法适用于所有类型的水样，包括饮用水、工业用水、废水和污水 天然水域。

This second edition of ISO 11731 cancels and replaces ISO 11731:1998 and ISO 11731-2:2004, which have been technically revised.

2019年4月18日 · 内容提示： 水质 —— 军团菌计数（ ISO 11731:2017 ） 目录 1 范围 1 规范性引用 1 2 术语与定义 1 3 原则 2 4 4.1 总 2 4.2 检查 2 4.3 确认 2 5 设备和地毯 2 6 文化传媒和试剂 3 7 采样 4 8 方法 4 8.1 中 4 8.2 浓度 of water samples 5 8.2.1 General 5 8.2.2 膜直接过滤和膜过滤 …

2025年3月19日 · zui近我公司科研人员经过多次的研究实验，结合公司自主研发的反射式光度仪，开发了一种新的土壤和水质中全铜的检测方法——利用反射式光度仪结合试纸法，来检测土壤和水质中铜的含量。 该方法操作比较简单，用试纸蘸取待测液20秒显色后就可以在反射仪上测试，立即可以显示结果，测试速度快。 测试的线性范围为... 分析测试百科网标准频道是为分析测试行业提供标准信息检索而建立，方便分析测试行业从业人员查找适用的标准。 本页面内容根据标准 …

2017年5月12日 · 该标准规定了环境样品中雷吉奥涅拉微生物的分离和微生物数估计的培养法。 이 표준은 환경 시료 중의 레지오넬라 미생물의 분리와 미생물 수의 추정을 위한 배양법에 대해 규정한다. Water quality. Enumeration of Legionella. Water quality. Detection and enumeration of Legionella. Direct membrane filtration method for waters with low bacterial counts. Water quality.

2017年6月7日 · ISO 11731:2017 specifies culture methods for the isolation of Legionella and estimation of their numbers in water samples. These methods are applicable to all kinds of water samples including potable, industrial, waste and natural waters.

These methods are applicable to all kinds of water samples including potable, industrial, waste and natural waters. These methods can be used for water related matrices, e.g. biofilms, sediments, etc. Not all legionella species are culturable; therefore, the methods described in this document do not recover all species of legionella.

2017年5月1日 · This document specifies culture methods for the isolation of Legionella and estimation of their numbers in water samples. These methods are applicable to all kinds of water samples including potable, industrial, waste and natural waters. These methods can be used for water related matrices, e.g. biofilms, sediments, etc.