ガラス製体積計による測容のばらつきについて

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  • Volumetric Errors in Use of Volumetric Glassware

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The error in the volume of water was measured when a fixed volume of water was measured using a volumeter such as a measuring flask, measuring cylinder, whole pipette, burette, or piston pipette. The experimenters were 33 third-year undergraduate students who had mastered the basic use of volumeters. The average error was within the allowable error range for each volumeter as specified by JIS, indicating that even undergraduate students were able to use the instruments with sufficient accuracy. We were able to show that a volumetric glassware with a relatively large capacity reduces the error, while a non-volumetric glassware such as a beaker or Komagome pipette results in a very large error.

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