西草净,97%(分析标准试剂)
西草净溶液,1000ug/ml in Purge and Trap Methanol
西草净溶液,1000μg/mL in Acetonitrile, uncertainty 2%
西草净溶液,100μg/mL in Methanol, uncertainty 3%
甲醇中西草净溶液,100μg/mL in Methanol,不确定度3%