化学品　地表水系统﹘沉积物中泥鳅 毒性试验 Chemicals—Surface water﹘sediment Misgurnus anguillicaudatus toxicity test  ICS  13.300 CCS  A 80   中华人民共和国国家标准 GB/T 45422—2025 2025-02-2 8发布 2025-09-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     试验原理   ······························································································   2 5     受试物信息   ···························································································   2 6     仪器设备   ······························································································   2 7     试验系统   ······························································································   2      7.1     受试生物   ·························································································   2      7.2     试验用水   ·························································································   3      7.3     试验条件   ·························································································   3      7.4     沉积物   ···························································································   3 8     试验程序   ······························································································   4      8.1     预试验   ···························································································   4      8.2     限度试验   ·························································································   4      8.3     正式试验   ·························································································   4      8.4     生物观察   ·························································································   5      8.5     浓度分析   ·························································································   5 9     质量保证与质量控制   ·················································································   5 10     数据与报告   ··························································································   5      10.1     试验数据   ························································································   5      10.2     试验数据处理   ···················································································   6      10.3     结果报告   ························································································   6 附录A （资料性）    泥鳅生物学特性   ···································································   8      A.1     分类地位   ························································································   8      A.2     生活习性   ························································································   8      A.3     生物学特性   ······················································································   8 附录B （规范性）    试验用水的化学特征   ·······························································   9 附录C （资料性）    配制沉积物的组成   ································································   10 参考文献   ································································································   11 GB/T 45422—2025     Ⅰ