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This standard solution was accurately prepared in super-clean laboratory with benzene and sub-packed in 5ml ampoules.
本标准溶液以高纯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 iso-propyl benzene and sub-packed in 2ml ampoules.
本标准溶液以纯异丙苯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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