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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ABNT NBR 5988
Fertilizers - Determination of total nitrogen content - Kjeldahl method in the absence of nitrate

Edition 2012-10-09

Original language Portuguese

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ABNT NBR 5988 Fertilizers - Determination of total nitrogen content - Kjeldahl method in the absence of nitrate

Want to learn more?

ABNT NBR 5988
Fertilizers - Determination of total nitrogen content - Kjeldahl method in the absence of nitrate