Burette
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A burette is a graduated glass tube with a tap at one end, for delivering known volumes of a liquid, especially in titrations. It is a long, graduated glass tube, with a stopcock at its lower end and
Black strip technique
Specification (on top of the burette)
Meniscus
Meniscus (liquid)
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In physics, the meniscus is the curve in the upper surface of a liquid close to the surface of the container or another object, produced by surface tension.
Burette
…the glass. In order to measure the amount of solution added in or drained out, the burette must be observed at eye level straight to the bottom of the meniscus. The liquid in the burette should be completely free of bubbles to ensure accurate measurements. The difference in volume can be calculated by taking…
A meniscus as seen in a burette of colored water. '20.00 mL' is the correct depth measurement.