BSI PD CEN/TS 17757:2022

Current Revision
Inorganic fertilizers. Determination of specific nutrients

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BSI PD CEN/TS 17757:2022

Inorganic fertilizers. Determination of specific nutrients

PUBLISH DATE 2022
PAGES 14
BSI PD CEN/TS 17757:2022

This document specifies references to methods for the determination of the content of the following specific nutrients in inorganic fertilizers:

  • the total nitrogen content;
  • the ammoniacal nitrogen content;
  • the nitric nitrogen content;
  • the urea nitrogen content;
  • the content of nitrogen from isobutylidenediurea (IBDU) and crotonylidenediurea (CDU);
  • the cyanamide nitrogen content;
  • the methylene-urea nitrogen content (and urea formaldehyde, if applicable);
  • the total phosphorus content;
  • the water-soluble phosphorus content;
  • the neutral ammonium citrate soluble phosphorus content;
  • the water-soluble potassium content;
  • the total magnesium content;
  • the water-soluble magnesium content;
  • the total calcium content;
  • the water-soluble calcium content;
  • the total sulfur content;
  • the water-soluble sulfur content;
  • the total sodium content;
  • 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].

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