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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Publications of NA 062-05-52 AA

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DIN EN ISO 17075-2	2017-05	Standards	Leather - Chemical determination of chromium(VI) content in leather - Part 2: Chromatographic method (ISO 17075-2:2017); German version EN ISO 17075-2:2017 More	Order from DIN Media
DIN EN ISO 17226-1	2021-05	Standards	Leather - Chemical determination of formaldehyde content - Part 1: Method using high-performance liquid chromatography (ISO 17226-1:2021); German version EN ISO 17226-1:2021 More	Order from DIN Media
DIN EN ISO 17226-2	2019-04	Standards	Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (ISO 17226-2:2018); German version EN ISO 17226-2:2019 More	Order from DIN Media
DIN EN ISO 17226-3	2011-09	Standards	Leather - Chemical determination of formaldehyde content - Part 3: Determination of formaldehyde emissions from leather (ISO 17226-3:2011); German version EN ISO 17226-3:2011 More	Order from DIN Media
DIN EN ISO 17234-1	2023-10	Draft standard	Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colourants (ISO/DIS 17234-1:2023); German and English version prEN ISO 17234-1:2023 More	Order from DIN Media
DIN EN ISO 17234-1	2020-12	Standards	Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020); German version EN ISO 17234-1:2020 More	Order from DIN Media
DIN EN ISO 17234-2	2011-06	Standards	Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011); German version EN ISO 17234-2:2011 More	Order from DIN Media
DIN EN ISO 17489	2014-03	Standards	Leather - Chemical tests - Determination of tan content in synthetic tanning agents (ISO 17489:2013); German version EN ISO 17489:2013 More	Order from DIN Media
DIN EN ISO 18218-1	2023-09	Standards	Leather - Determination of ethoxylated alkylphenols (APEO) - Part 1: Direct method (ISO 18218-1:2023); German version EN ISO 18218-1:2023 More	Order from DIN Media
DIN EN ISO 18218-2	2019-10	Standards	Leather - Determination of ethoxylated alkylphenols - Part 2: Indirect method (ISO 18218-2:2019); German version EN ISO 18218-2:2019 More	Order from DIN Media

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