Podaci o nacrtu
Oznaka:prEN 13650
Odbor:HZN/TO 134
Ime odbora:Gnojiva i poboljšivači tla
Nacrt objavljen za komentiranje:2025-11-19
Rok za komentiranje:2025-12-08
Broj komentara:0
Contact email:nacrti(at)hzn.hr
Područje primjene nacrta:
This document specifies a method for the digestion of soil improvers and growing media using an aqua regia digestion.
Materials containing more than about 28 % (m/m) organic matter will require treatment with additional nitric acid. With high solute concentrations in extract solutions, spectral interferences and background enhancement should be expected.