This European Standard specifies a method for the determination of magnesium in fertilizer extracts by complexometry.The method is applicable to the following EC fertilizer extracts for which the determination of total magnesium and/or water-soluble magnesium is provided for according to the Regulation (EC) No 2003/2003, Annex I [3]: ertilizers listed in [3], Annex I: straight nitrogenous fertilizers, type 1 b+1c (calcium magnesium nitrate),type 7 (magnesium sulfonitrate), type 8 (nitrogenous fertilizers with magnesium) and straight potassic fertilizers, type 2 (enriched kainite), type 4 (potassium chloride containing magnesium), type 6 (potassiumsulfate containing magnesium salt);fertilizers listed in [3], Annex I D relating to secondary nutrients.
EN 16198:2012 Referenced Document
EN 12944-1:1999 Fertilizers and Liming Materials - Vocabulary - Part 1: General Terms
EN 12944-2:1999 Fertilizers and Liming Materials - Vocabulary - Part 2: Terms Relating to Fertilizers
EN 1482-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
EN 15960 Fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
EN 15961 Fertilizers - Extraction of water-soluble calcium@ magnesium@ sodium and sulfur in the form of sulfates
EN 16198:2012 history
2012EN 16198:2012 Fertilizers - Determination of magnesium by complexometry