DB43/T 1968-2020 穗状狐尾藻生长抑制试验操作技术规程

ICS65.020

CCSB16

DB43

湖南省地方标准

DB43/T1968—2020

穗状狐尾藻生长抑制试验操作规程

GuidelineforMyriophyllumVerticillatumL.GrowthInhibitionTest

2020-12-29发布2021-03-29实施

湖南省市场监督管理局发布

DB43/T1968—2020

目次

前言························································································································Ⅲ

1范围·····················································································································1

2规范性引用文件······································································································1

3术语和定义············································································································1

3.1扦插···············································································································1

3.2预培养············································································································1

3.3植物长············································································································1

3.4植物鲜重·········································································································1

3.5植物干重·········································································································1

4试验条件···············································································································2

4.1温度···············································································································2

4.2光照···············································································································2

4.3曝气···············································································································2

4.4暴露方式·········································································································2

4.5试验周期·········································································································2

5材料准备··············································································································2

5.1沉积物的制备···································································································2

5.2培养基的制备···································································································2

5.3生物试材的预培养·····························································································2

6试验仪器设备·········································································································3

7试验方法···············································································································3

7.1试验准备·········································································································3

7.2预试验············································································································3

7.3正试验············································································································3

7.4限度试验·········································································································3

7.5参比试验·········································································································3

8观察记录···············································································································3

9浓度检测···············································································································4

10数据处理······························································