1 Scope
This document specifies references to methods for the determination of the content
of the following specific nutrients in inorganic fertilizers:
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— the total nitrogen content;
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— the ammoniacal nitrogen content;
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— the nitric nitrogen content;
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— the urea nitrogen content;
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— the content of nitrogen from isobutylidenediurea (IBDU) and crotonylidenediurea (CDU);
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— the cyanamide nitrogen content;
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— the methylene-urea nitrogen content (and urea formaldehyde, if applicable);
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— the total phosphorus content;
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— the water-soluble phosphorus content;
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— the neutral ammonium citrate soluble phosphorus content;
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— the water-soluble potassium content;
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— the total magnesium content;
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— the water-soluble magnesium content;
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— the total calcium content;
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— the water-soluble calcium content;
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— the total sulfur content;
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— the water-soluble sulfur content;
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— the total sodium content;
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— the water-soluble sodium content.
This document is applicable to EU fertilizing products classified as PFC 1(C) and
PFC 7 as long as the blend only consists of EU fertilizing products classified as
PFC 1(C), PFC 2 and PFC 5 as specified in the Regulation (EU) 2019/1009 [1].