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Transfer pipette calibrating method easy to operate

A calibration method and pipette technology, applied in the field of instrument calibration, can solve the problems of more or less liquid volume, high accuracy, calibration failure, etc., to achieve easy adjustment, high accuracy and improved accuracy. Effect

Inactive Publication Date: 2018-04-27
安吉元融仪器仪表检测有限公司
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  • Summary
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  • Description
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Problems solved by technology

[0002] The pipette is a frequently used instrument in the chemical laboratory; the pipette can not only pipette liquid, but also accurately measure the corresponding volume of liquid as needed, so during the experiment, use the pipette to measure The accuracy of the liquid is high and the error is small; during the calibration process, if there is an error when the pipette measures the liquid, it will directly cause the volume of the liquid to be measured to be more or less, which will directly lead to the failure of the entire calibration

Method used

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Embodiment Construction

[0014] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.

[0015] A pipette calibration method with simple operation, comprising the following steps:

[0016] 1) Measure the temperature and air humidity in the laboratory, then rinse the pipette with deionized water, and place it on the pipette rack to dry naturally after rinsing;

[0017] 2) Select a beaker, and then use decontamination powder to scrub the inner wall of the beaker. After the scrubbing is completed, use deionization to rinse it several times, place it in an oven to dry, and then cool it down to room temperature naturally;

[0018] 3) Take out the deionized water from the container, then pour it into a 500mL beaker, put the beaker with deionized water in the room, and let it stand for...

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Abstract

The invention discloses a transfer pipette calibrating method easy to operate. The method includes the following steps of firstly, measuring the temperature and air humidity in a laboratory, flushinga transfer pipette with deionized water, and placing the transfer pipette on a transfer pipette rack to be naturally aired after flushing is completed. When deionized water is measured, it is accurately judged that the bottom face of a concave part formed by the upper end of the deionized water is tangent to a scale line, and therefore it is ensured that the volume of the measured deionized wateris the volume marked by the transfer pipette, it is avoided that calibrating errors are caused by measuring errors, and the calibrating reliability is ensured.

Description

technical field [0001] The invention belongs to the technical field of instrument calibration, in particular to a pipette calibration method with simple operation. Background technique [0002] The pipette is a frequently used instrument in the chemical laboratory; the pipette can not only pipette liquid, but also accurately measure the corresponding volume of liquid as needed, so during the experiment, use the pipette to measure The accuracy of the liquid is high and the error is small; during the calibration process, if there is an error when the pipette measures the liquid, it will directly cause the volume of the liquid to be measured to be more or less, which will directly lead to the failure of the entire calibration. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides a pipette calibrating method with simple operation for accurately measuring liquid. [0004] In order to achieve the above object,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F25/00
CPCG01F25/0084
Inventor 张明
Owner 安吉元融仪器仪表检测有限公司
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