容量瓶，是一种细颈梨形平底的容量器，带有磨口玻塞，颈上有标线，表示在所指温度下液体液体凹液面与容量瓶颈部的标线相切时，溶液体积恰好与瓶上标注的体积相等。容量瓶上标有：温度、容量、刻度线。
移取2mL此溶液到50mL容量瓶中并用缓冲溶液定容至刻度，混匀。
Transfer 2.0 mL of this solution to a 50-mL volumetric flsk, dilute with Buffer solution to volume, and mix.
Croll指出当组织在解决容量瓶颈时，可能会伴随着不健康的资源冲突。
Croll points out that when organizations deal with constrained capacity, an unhealthy competition for resources can follow.
临用时割开安瓿，用10毫升干燥洁净移液管从安瓿中准确移取浓样10 毫升于250 毫升容量瓶中，用纯水定容。
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.
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