| 分子式 |
水中CODCr溶液标准物质
编号:GBW(E)082710 规格:10mL 浓度:1000μg/mL
甲醇中噁唑磷溶液
编号:1ST20056-100M CAS号:18854-01-8 规格:1mL 浓度:100μg/mL
甲醇中十二环吗啉溶液
编号:1ST21146-100M CAS号:1593-77-7 规格:1mL 浓度:100μg/mL
乙腈中泼尼松龙溶液
编号:1ST2225-100A CAS号:50-24-8 规格:1mL 浓度:100μg/mL
倍硫磷砜砜化倍硫磷
编号:C13586000 CAS号:3761-42-0 规格:10mg
乙腈中6种雌激素混标溶液
编号:1ST47169-100A 规格:1mL 浓度:100μg/mL