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Norm
ÖNORM S 7009
Issue date: 2004 11 01
Testing of leather - Determination of the contents of total nitrogen and of ammonium salts - Calculation of hide substance
Diese ÖNORM enthält Verfahren zur Bestimmung des Gehaltes an stickstoffhaltigen Stoffen und - soweit erforderlich - an Ammoniumsalzen im Leder. Weiters dient sie der Bere...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 8 Pages
Language:
German
Optionally co-design standards:
ICS
Diese ÖNORM enthält Verfahren zur Bestimmung des Gehaltes an stickstoffhaltigen Stoffen und - soweit erforderlich - an Ammoniumsalzen im Leder. Weiters dient sie der Berechnung der stickstoffhaltigen Stoffe, gegebenenfalls nach Abzug der Ammoniumsalze, als Hautsubstanz.
ÖNORM S 7009
2004 11 01
Testing of leather - Determination of the contents of total nitrogen and of ammonium salts - Calcula...
Norm
↖
ÖNORM S 7009
1982 12 01
Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculati...
Norm
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Issue date :
2003 11 01
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2018 10 15
Leather - Chemical tests - Determination of pH and difference figure (ISO 4045:2018)
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Issue date :
1999 01 01
Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)
