本标准溶液以纯度为99%间硝基甲苯在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with m-nitrotoluene (99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99.9%邻硝基甲苯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with o-nitrotoluene (99.9%) and sub-packed in 2ml ampoules.
本标准溶液以狄氏剂在超净实验室中准确配制并分装于5毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with dieldrin and sub-packed in 5ml ampoules.
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