Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials — Amendment 1: DAX-8 resin alternative
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ISO 19822:2018/Amd 1:2026
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ISO 19822:2018/Amd 1:2026Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materialsAmendment 1: DAX-8 resin alternative