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- Volumetric glassware is typically made from borosilicate glass and is also calibrated at the factory to ensure accurate measurements. However, due to the nature of their design, volumetric glassware may not be as precise as precision glassware.
tnlab.com/blogs/news/differences-in-volumetric-accuracy-of-different-types-of-glasswareVolumetric Accuracy of Different Types of Laboratory Glassware
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Jun 17, 2023 · In the case of the glassware used in general chemistry lab, both the 10 mL volumetric pipet and 50 mL volumetric flask will have two significant figures (sig figs) after the decimal point (i.e. 10.00 mL and 50.00 mL), for a total of four significant figures each.
Jan 17, 2023 · Volumetric glassware is typically made from borosilicate glass and is also calibrated at the factory to ensure accurate measurements. However, due to the nature of their design, volumetric glassware may not be as precise as precision glassware.
However, some glassware such as volumetric flasks and volumetric pipettes only have a single line to indicate volume. This is because they are made to measure just one specific volume.
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Apr 29, 2018 · Class A volumetric glassware has a lower tolerance than Class B; for class A, the tolerance can be as low as 0.08 ml for a 100 ml flask or pipet. Generally, measurements with class A volumetric glassware can be considered reliable to two places after the decimal point.
Volumetric glassware is manufactured to a high degree of precision. As a result, the glassware needs to be treated well to avoid affecting its accurate volume. Sources of heat can easily distort the glassware and as a result volumetric glassware should be protected from extremes of heat.
However, some glassware such as volumetric flasks and volumetric pipettes only have a single line to indicate volume. This is because they are made to measure just one specific volume.
In fact, you’re usually trying to find it. This is where precision comes in. Precision is how reproducible your results are, or how close a set of measurements are to each other. If you measure the volume of a liquid multiple times with the same piece of glassware, do you get the same value each time?
