BS EN 13650 Soil improvers and growing media - Digestion by aqua regia for subsequent determination of elements
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Standard number:
25/30478147 DC
Pages:
34
Released:
2025-10-16
Status:
Draft for Comment
DESCRIPTION
25/30478147 DC
This standard 25/30478147 DC BS EN 13650 Soil improvers and growing media - Digestion by aqua regia for subsequent determination of elements is classified in these ICS categories:
65.080 Fertilizers
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.