BS EN 17041:2018 Fertilizers. Determination of boron in concentrations $3L 10 % using spectrometry with azomethine-H

Fertilizers
Nitrogenous fertilizers
Superphosphates
Soil improvement
Boron
Concentrates

Link: BS EN 17041:2018 Fertilizers. Determination of boron in concentrations L 10 % using spectrometry with azomethine-H
Source: BSI Standards