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Organic and organo-mineral fertilizers - Determination of specific elements
Oznaka:prEN 17777
Odbor:HZN/TO 134
Ime odbora:Gnojiva i poboljšivači tla
Nacrt objavljen za komentiranje:2026-03-16
Rok za komentiranje:2026-03-23
Broj komentara:0
Contact email:nacrti(at)hzn.hr
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This document specifies references to the methods for the determination of the following specific elements in organic and organo-mineral fertilizers:
Determination of the total phosphorus content;
Determination of the total potassium content;
Determination of the total calcium content;
Determination of the total magnesium content;
Determination of the total sodium content;
Determination of the total sulphur content;
Determination of the inorganic arsenic content;
Determination of the cadmium content;
Determination of the total chromium content;
Determination of the total mercury content;
Determination of the total nickel content;
Determination of the total lead content;
Determination of the total copper content;
Determination of the total zinc content;
Determination of the water-soluble calcium content;
Determination of the water-soluble magnesium content;
Determination of the water-soluble sodium content;
Determination of the water-soluble sulphur content.

This document specifies references to the methods for the determination of the following specific elements in organo-mineral fertilizers:
Determination of the water-soluble phosphorus content;
Determination of the water-soluble potassium content;
Determination of the neutral ammonium citrate soluble phosphorus content
Determination of the formic acid soluble phosphorus content;
Determination of the total boron content;
Determination of the total cobalt content;
Determination of the total iron content
Determination of the total manganese content
Determination of the total molybdenum content;
Determination of the water-soluble boron content;
Determination of the water-soluble cobalt content;
Determination of the water-soluble copper content;
Determination of the water-soluble iron content;
Determination of the water-soluble manganese content;
Determination of the water-soluble molybdenum content;
Determination of the water-soluble zinc content.

The scope of the standards referenced in this document specifies in which cases the method is also applicable to blends.

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