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HIGH SCHOOL

Biology

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Basic Biology

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General Laboratory Techniques

How Analytical Balances Measure Samples

Description

Analytical balances measure sample mass with very high precision in the laboratory. These instruments can read down to ten thousandths or even hundred thousandths of a gram. A triple beam balance is another common scale. It uses counterweights on three rider beams to balance the sample in the pan.

Transcript

La balance analytique peut être trouvée dans la plupart, si pas tous, les laboratoires scientifiques. Ces instruments hautement précis permettent aux scientifiques de mesurer précisément la masse d’un grand nombre de substances. Ces balances peuvent exister en plusieurs types différents. La balance analytique est la plus fré...

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