This European Standard is applicable to sodium carbonate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for sodium carbonate. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex C).
EN 897:2012 Referenced Document
EN ISO 12846:2012 Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment
EN ISO 3696:1995 Water for Analytical Laboratory Use- Specification and Test Methods (ISO 3696 : 1987)
ISO 2460:1973 Sodium hydrogen carbonate for industrial use; Determination of iron content; 1,10- Phenanthroline photometric method
ISO 3165:1976 Sampling of chemical products for industrial use; Safety in sampling
ISO 6206:1979 Chemical products for industrial use; Sampling; Vocabulary Bilingual edition
ISO 740:1976 Sodium carbonate for industrial use; Determination of total soluble alkalinity; Titrimetric method
ISO 746:1976 Sodium carbonate for industrial use; Determination of matter insoluble in water at 50 degrees C
ISO 8213:1986 Chemical products for industrial use; Sampling techniques; Solid chemical products in the form of particles varying from powders to coarse lumps
EN 897:2012 history
2012EN 897:2012 Chemicals used for treatment of water intended for human consumption - Sodium carbonate
2005EN 897:2005 Chemicals used for treatment of water intended for human consumption - Sodium carbonate
1998EN 897:1998 Chemicals Used for Treatment of Water Intended for Human Consumption - Sodium Carbonate