量的酒瓶

Volumetlric flask Volumetlric flask is a kind of thin neck pear-shaped flat-bottomed bottle, by colorless or brown glass, and with grinding mouth glass plug or plastic plug. The neck is engraved with a circular mark is a quantity into type, said in referring to measure temperatures (usually 20 °C) liquid concave liquid surface and Volumetlric flask neck line tangent, solution volume coincide with the bottle is labeled volume equal. Volumetlric flask utility is accurate precision compound solutions or quantitatively dilution. This Volumetlric flask often cooperate to use pipette. Common size: 25ml 50ml 100ml 250ml 500ml 1000mL Experiments commonly used is 100 and 250mL Volumetlric flask