EVERYDAY SCIENCE

Detailed explanation-1: -A buret is a scaled cylindrical tube attached to a stopcock, or valve. A buret is designed to dispense or transfer a precisely measured volume of liquid to another container.

Detailed explanation-2: -Volumetric flasks, burets and pipets are the most accurate with tolerances of less than 0.2%. To achieve these accuracies the person using the device needs to use the proper technique and the measurements need to made at the temperature for which the glassware was calibrated (usually 20 degrees C).

Detailed explanation-3: -When using a graduated cylinder, it is important to read the measurement that is at the bottom of the meniscus, which is the curve formed by the water in the cylinder. The marking at which the bottom of the meniscus rests is the accurate measurement of the volume of the liquid.

Detailed explanation-4: -It’s common to use measuring cylinders for handling potentially harmful substances, but there are advantages to using a pipette instead. Unlike a measuring cylinder, a pipette will be more accurate with all of the sample, accounting for every drop of the substance being held within the tool.