Normas ISO

Soil quality -- Determination of phosphorus -- Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution

Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method

Soil quality -- Determination of effective cation exchange capacity and base saturation level using barium chloride solution

Soil quality -- Simplified soil description

Iron ores -- Determination of reducibility and metallization of feedstock for direct reduction by gas reforming processes

Iron ores -- Determination of disintegration and metallization of feedstock for direct reduction by gas reforming processes