This standard solution was accurately prepared in super-clean laboratory with tetrachloroethylene and sub-packed in 2ml ampoules.
本标准溶液以四氯乙烯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 tetrachloroethylene and sub-packed in 2ml ampoules.
本标准溶液以四氯乙烯在超净实验室中准确配制并分装于2 毫升安瓿中。
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