ISO 24450:2005规定了国际认可的锥形烧瓶系列和一般实验室用宽颈平底和圆底烧瓶系列的要求和尺寸。这些烧瓶可直接用于实验室，与其他设备一起用于一般实验室用途，并可用于其他产品的进一步加工。 对于窄颈沸腾烧瓶，ISO 1773适用。对于带有锥形研磨接头的沸腾烧瓶，参见ISO 4797。

ISO 24450:2005 specifies requirements and dimensions for an internationally acceptable series of conical flasks and of flat-bottom and round-bottom flasks with wide neck for general laboratory purpose. The flasks are provided for direct use in laboratory, fitting together with other equipment for general laboratory purposes, and for further work up to other products. For narrow-necked boiling flasks, ISO 1773 applies. For boiling flasks with conical ground joints, see ISO 4797.