2013DIN EN ISO 5814:2013-02 Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012); German version EN ISO 5814:2012
2013DIN EN ISO 5814:2013 Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012); German version EN ISO 5814:2012
1970DIN EN ISO 5814 E:2010-05 Electrochemical probe method for determination of dissolved oxygen in water quality (draft)