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water hardness

water hardness, Total:30 items.

In the international standard classification, water hardness involves: Water quality, Fruits. Vegetables, Products of the chemical industry, Road vehicle systems.

PL-PKN, water hardness

• PN C04554 ArkusZ03-1972 Wo?er and waste water Siudy of hardness De?ermina?ion of ?he fota I hardness by EDTA method Rang?: 0,357 mval/l and below

CO-ICONTEC, water hardness

• ICONTEC 1062-1984

German Institute for Standardization, water hardness

• DIN 38409-6:1986 German standard methods for the examination of water, waste water and sludge; summary indices of actions and substances (group H); water hardness (H 6)

Professional Standard - Agriculture, water hardness

• NY/T 2009-2011 Determination of fruit firmness

RO-ASRO, water hardness

• STAS 3026-1976 DRINKING WATER Determination of hardness
• STAS 7313-1982 WATER AND STEAM FROM BOILER PLANTS Determination of hardness, alkalinity and acidity
• STAS 8509-1986 ORGANIC DYES Sennitiveness determination to hard waler

American Society for Testing and Materials (ASTM), water hardness

• ASTM D1126-02 Standard Test Method for Hardness in Water
• ASTM D1126-96 Standard Test Method for Hardness in Water
• ASTM D1126-02(2007)e1 Standard Test Method for Hardness in Water
• ASTM D1126-12 Standard Test Method for Hardness in Water
• ASTM D1126-17 Standard Test Method for Hardness in Water
• ASTM D8192-23 Standard Test Method for Hardness in Colored and Colorless Water

Professional Standard - Coal, water hardness

• MT/T 206-1995 Determination method of hardness of coal-mine water
• MT/T 206-2011 Determination of hardness of coal mine water

GOSTR, water hardness

• GOST 4151-1972 Drinking water. Method for determination of total hardness

British Standards Institution (BSI), water hardness

• BS EN 12829:2011 Surface active agents. Preparation of water with known calcium and magnesium hardness

NL-NEN, water hardness

• NEN 6549-1988 Water for boiler plants Photometric determination of total hardness

RU-GOST R, water hardness

• GOST 29263-1991 Surface active agents. Preparation of water with known calcium hardness

Association Francaise de Normalisation, water hardness

• NF EN 12829:2011 Agents de surface - Préparation d'une eau de dureté calcique et magnésienne déterminée

BE-NBN, water hardness

• NBN-ISO 2174:1994 Surface active agents - Preparation of water with known calcium hardness

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, water hardness

• GB/T 6367-1997 Surface active agents--Preparation of water with known calcium hardness
• GB/T 6367-2012 Surface active agents.Preparation of water with known calcium hardness

International Organization for Standardization (ISO), water hardness

• ISO 2174:1972 Title missing - Legacy paper document
• ISO 2174:1990 Surface active agents; preparation of water with known calcium hardness

Korean Agency for Technology and Standards (KATS), water hardness

• KS M ISO 2174-2006(2021) Surface active agents－Preparation of water with known calcium hardness
• KS M ISO 2174-2006(2016) Surface active agents－Preparation of water with known calcium hardness
• KS M ISO 2174:2006 Surface active agents－Preparation of water with known calcium hardness

Professional Standard - Light Industry, water hardness

• QB/T 1325-1991 Preparation of water of known calcium hardness for detergent testing

The American Road & Transportation Builders Association, water hardness

• AASHTO T 186-2007 Standard Method of Test for Early Stiffening of Hydraulic Cement (Paste Method)

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