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GB/T 12810-2021Laboratory glassware - Capacity methods testing and use of volumetric instruments (English PDF)

实验室玻璃仪器玻璃量器的容量校准和使用方法

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

August 20, 2021

Implementation date

March 1, 2022

Scope

GB/T 12810-2021 is the English-translated version of 实验室玻璃仪器玻璃量器的容量校准和使用方法.

GB/T 12810-2021 is the Chinese standard "Laboratory glassware - Capacity methods testing and use of volumetric instruments". Its scope clause reads: This document specifies the volume calibration and usage methods of glass measuring devices.

This document is applicable to the calibration and use of glass measuring devices with a capacity range of 0.01mL~5000mL. Its clauses include terms and definitions.

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Document preview — GB/T 12810-2021

National Standard of the People's Republic of China

Classification: N 64

Issued by: State Administration for Market Regulation, China National Standardization Administration

1 Scope
2 Normative references
3 Terms and definitions
3.1 Measuringcontainer(tocontain)
3.2 Measuringcontainer(todeliver)
3.3 Calibration liquid
3.4 Remaining liquid
3.5 Dischargingtime

1 Scope

This document specifies the volume calibration and usage methods of glass measuring devices.

This document is applicable to the calibration and use of glass measuring devices with a capacity range of 0.01mL~5000mL.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 6682 Analytical laboratory water specifications and test methods

JJF1009 Capacity measurement terms and definitions

3 Terms and definitions

The following terms and definitions defined in JJF1009 apply to this document.

3.1 Measuringcontainer(tocontain)

A measuring device used to measure the volume of liquid in the injection measuring device (the inner wall is dry).

[Source. JJF1009-2006, 2.5]

Note. The input symbol is represented by "In".

3.2 Measuringcontainer(todeliver)

A measuring device used to measure the volume of liquid discharged from the inside of the measuring device.

[Source. JJF1009-2006, 2.6]

Note. The symbol of the measure-out formula is represented by "Ex".

3.3 Calibration liquid

The liquid used in the calibration of the gauge.

[Source. JJF1009-2006, 2.5]

3.4 Remaining liquid

The amount of liquid remaining on the surface of the inner wall of the measuring device after the liquid inside the measuring device is discharged within the specified time.

[Source. JJF1009-2006, 2.11]

3.5 Dischargingtime

In order to ensure the measuring accuracy of the measuring device, the prescribed time for all liquid in the measuring device to flow out.

[Source. JJF1009-2006, 2.12] […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 29 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 6682Water for analytical laboratory use - Specification and test methods

Cited by

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