NS-EN ISO 20130:2020


 

 

非常抱歉,我们暂时无法提供预览,您可以试试: 免费下载 NS-EN ISO 20130:2020 前三页,或者稍后再访问。

您也可以尝试购买此标准,
点击右侧 “立即购买” 按钮开始采购(由第三方提供)。

 

标准号
NS-EN ISO 20130:2020
发布
2020年
发布单位
SCC
当前最新
NS-EN ISO 20130:2020
 
 
适用范围
  Full Description ADOPTED_FROM:EN ISO 20130:2020 This document specifies a method for the measurement of several hydrolase activities (arylamidase, arylsulfatase, β-galactosidase, α-glucosidase, β-glucosidase, N-acetyl-glucosaminidase, acid, alkaline and global phosphatases, urease) simultaneously (or not) in soil samples, using colorimetric substrates. Enzyme activities of soil vary seasonally and depend on soil chemical, physical and biological characteristics. This method can be applied either to detect harmful effects on soil enzyme activities derived from toxic substances or other anthropogenic agents in contaminated soils against a control soil, or to test chemicals.

NS-EN ISO 20130:2020相似标准





Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号