This European Standard specifies a method for the determination of boron, cobalt, copper, iron, manganese, molybdenum and zinc in fertilizer extracts using inductively coupled plasma-atomic emission spectrometry (ICP-AES). This method is applicable to water and aqua regia fertilizer extracts prepared according to EN 16962 and/or EN 16964. NOTE In most cases, the presence of small quantities of organic matter will not affect determinations by ICP-AES and it is not necessary to apply organic matter removal.
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EN 12944-1:1999 Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms
EN 12944-2:1999 Fertilizers and liming materials and soil improvers - Vocabulary - Part 2: Terms relating to fertilizers
EN 16962:2018 Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extracts
EN 12944-1:1999 Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General terms
EN 12944-2:1999 Fertilizers and liming materials and soil improvers - Vocabulary - Part 2: Terms relating to fertilizers
EN 16962:2018 Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extracts
EN 16964:2018 Fertilizers - Extraction of total micro-nutrients in fertilizers using aqua regia
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)