DIN 19633:2013 Ion exchanger, adsorption resins and hybrid adsorber for water treatment - Technical delivery conditions
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)
DIN 38409-7:2005 German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 7: Determination of acid and base-neutralizing capacities (H 7)
DIN 54402:2009 Testing of ion exchangers - Determination of the total capacity of anion exchangers
DIN 54403:2009 Testing of ion exchangers - Determination of the total capacity of cation exchangers
DIN 54408:2007 Testing of ion exchangers - Determination of bulk weight density, equilibrium moisture content and solids
DIN EN 12904:2005 Products used for treatment of water intended for human consumption - Silica sand and silica gravel; German version EN 12904:2005
DIN EN 899:2009 Chemicals used for treatment of water intended for human consumption - Sulfuric acid; English version of DIN EN 899:2009-07
DIN EN 939:2010 Chemicals used for treatment of water intended for human consumption - Hydrochloric acid; German version EN 939:2009
DIN EN 973:2009 Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers; German version EN 973:2009
DIN ISO 3696:1991 Water for analytical laboratory use; specification and test methods; identical with ISO 3696:1987