DIN EN 12120:2013 PDF

Scope: This European Standard is applicable to sodium hydrogen sulfite used for treatment of water intended for human consumption.It describes the characteristics of sodium hydrogen sulfite and specifies the requirements and the corresponding test methods for sodium hydrogen sulfite.It gives information on its use in water treatment.

DIN EN 12120:2013 Referenced Document

EN ISO 3696 Water for Analytical Laboratory Use- Specification and Test Methods (ISO 3696 : 1987)
ISO 22743 Water quality - Determination of sulfates - Method by continuous flow analysis (CFA)
ISO 3165 Sampling of chemical products for industrial use; Safety in sampling
ISO 418 Photography - Processing chemicals - Specifications for anhydrous sodium sulfite
ISO 5993 Sodium hydroxide for industrial use; Determination of mercury content; Flameless atomic absorption spectrometric method
ISO 6206 Chemical products for industrial use; Sampling; Vocabulary Bilingual edition
ISO 6353-1 Reagents for chemical analysis; Part 1 : General test methods
ISO 9297 Water quality; determination of chloride; silver nitrate titration with chromate indicator (Mohr's method)

2023 DIN EN 12120:2023-03 Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite; German version EN 12120:2022 / Note: This standard is part of the DVGW body of rules.
1970 DIN EN 12120 E:2020-07 Chemicals used for treatment of water intended for human consumption.Sodium hydrogen sulfite
2020 DIN EN 12120 E:2020 Draft Document - Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite; German and English version prEN 12120:2020
2013 DIN EN 12120:2013 Chemicals used for treatment of water intended for human consumption.Sodium hydrogen sulfite; German version EN 12120:2012
0000 DIN EN 12120:2012
0000 DIN EN 12120:2005