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GB/T 23119-2017Household and similar electrical appliances -- Water for performance testing (English PDF)

家用和类似用途电器性能测试用水

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine

Level / Type

National · Recommended

Issue date

October 14, 2017

Implementation date

May 1, 2018

Scope

GB/T 23119-2017 is the English-translated version of 家用和类似用途电器性能测试用水.

GB/T 23119-2017 is the Chinese standard "Household and similar electrical appliances -- Water for performance testing".

Its scope clause reads: This Standard describes the preparation of four types of water of different hardness, conductivity and alkalinity, intended to be used for testing the performance of household appliances (such as washing machines, dishwashers, tumble dryers, steam irons etc.).

It defines the characteristics of these waters and establishes various methods to be used for obtaining them. It also includes specifications for required measurements. Its clauses include terms, definitions and symbols.

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Document preview — GB/T 23119-2017

National Standard of the People's Republic of China

ICS: 97.180
Classification: Y 69

Issued by: General Administration of Quality Supervision, Inspection and Quarantine

Foreword3
Introduction5
1 Scope6
2 Normative References6
3 Terms, Definitions and Symbols6
4 Measurements and Accuracy8
5 Standard water9
6 Preparation of Standard Water11
7 Storage of Standard Water16
8 Checking17
Appendix A (Informative) Water Hardness - Conversion Table18

1 Scope

This Standard describes the preparation of four types of water of different hardness, conductivity and alkalinity, intended to be used for testing the performance of household appliances (such as washing machines, dishwashers, tumble dryers, steam irons etc.).

It defines the characteristics of these waters and establishes various methods to be used for obtaining them. It also includes specifications for required measurements.

2 Normative References

The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document.

ISO 6059, Water Quality - Determination of the Sum of Calcium and Magnesium

- EDTA Titrimetric Method

ISO 7888, Water Quality - Determination of Electrical Conductivity

ISO 9963-1, Water Quality - Determination of Alkalinity - Part 1: Determination of

Total and Composite Alkalinity

ISO 10523, Water Quality - Determination of pH

3 Terms, Definitions and Symbols

3.1 Terms and definitions

For the purposes of this document, the following definitions apply.

3.1.1 Water hardness

parameter indicating the quantity of alkaline earth salts (bicarbonates, sulphates, chlorides etc.) present in the water

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 6059 · ISO 7888 · ISO 9963 · ISO 10523

Cited by

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