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Norm

ÖNORM S 7009

Issue date: 1982 12 01

Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance

Withdrawn: 2004 11 01
Publisher:
Austrian Standards International
Format:
Digital | 6 Pages
Language:
German
Currently valid:
Optionally co-design standards:
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
Norm
ISO 5397:1984
Issue date : 1984 03 01
Leather — Determination of nitrogen content and "hide substance" — Titrimetric method
Norm
ÖNORM S 7005
Issue date : 2003 01 01
Testing of leather - Determination of water content
Norm
ÖNORM S 7001
Issue date : 1983 08 01
Testing of leather; volume of chemical analysis and presentation of results
Norm
ÖNORM S 7002
Issue date : 1981 09 01
Testing of leather; sampling
Norm
ÖNORM S 7004
Issue date : 1981 09 01
Preparation of samples for the chemical testing of leather
Norm
ÖNORM S 7005
Issue date : 2003 01 01
Testing of leather - Determination of water content
Norm
ÖNORM S 7006
Issue date : 1982 03 01
Testing of leather; determination of total sulphateash and of water insoluble sulphateash
Norm
ÖNORM S 7008
Issue date : 1982 09 01
Testing of leather; determination of the contents of organic materials extractable by washing out (loss of mass by washing out)
Norm
ÖNORM S 7012
Issue date : 1982 12 01
Testing of leather; determination of pH-value and difference figure of an aqueous extract of leather
Norm
ISO 5397:1984
Issue date : 1984 03 01
Leather — Determination of nitrogen content and "hide substance" — Titrimetric method
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