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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 13339
Liquid waste - Bath residual piquel and tanning - Determination of acidity

Edition 2021-08-30

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 13339 Liquid waste - Bath residual piquel and tanning - Determination of acidity

Want to learn more?

ABNT NBR 13339
Liquid waste - Bath residual piquel and tanning - Determination of acidity