It is used to measure certain volumes.It is also called a full volume flask.The flat flask on the bottom has an elongated neck and is usually a single line at the neck.Since the diameter of the neck portion is thinner than the same size, the scale is more accurate than the graduated cylinder of the same capacity.It is used to accurately adjust certain reagent concentration.The scale represents the volume of the reception (volume included). The TC indicating acceptance (availability).(TC: To Contain abbreviation) Scale represents the volume of water measured at 44°F (20°C).
