DIN - German Institute for Standardization

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

ABNT NBR ISO 5398-1
Leather - Chemical determination of chromic oxide content Part 1: Quantification by titration

Edition 2025-08-20

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 ISO 5398-1 Leather - Chemical determination of chromic oxide content Part 1: Quantification by titration

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ABNT NBR ISO 5398-1
Leather - Chemical determination of chromic oxide content Part 1: Quantification by titration