two-neck flask 双颈烧瓶
three-neck flask 三颈烧瓶
long-neck flask 长颈烧瓶
micro narrow neck flask 微量三角烧瓶
side neck flask 支管烧瓶
wide neck flask 广口烧瓶
narrow neck flask 三角烧瓶
round-bottomed flask with long neck 长颈圆底烧瓶
flask neck 烧瓶颈
The organic layer in the neck of the flask is aspirated into the atomic absorption burner .
满至烧瓶颈部的有机层被抽吸进入原子吸收燃烧器中。
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 1%HNO3 or 1%HCl solution.
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1%硝酸或1%盐酸溶液定容。
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.
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。
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