When you use this ERM, please carefully break open the ampoule at the neck and pipet 10 ml from the ampule into 250 ml volumetric flask and bring to volume by laboratory-pure water.

 
  • 臨用時(shí)割開(kāi)安瓿,用10毫升干燥潔凈移液管從安瓿中準確移取濃樣10毫升于250毫升容量瓶中,用純水定容。
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