When you use this ERM, please carefully break open the ampoule at the neck and pipette 5ml from the ampoule into 100ml volumetric flask and bring to volume by pre-distilled carbon tetrachloride.
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释义
临用时割开安瓿,用5毫升干燥洁净移液管从安瓿中准确移取浓样5毫升于100毫升容量瓶中,用经重蒸馏等纯化处理过的四氯化碳稀释定容。
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