Povučen
Specifies a macro-method and a semi-micro method for the determination of the nitrogen content in raw natural rubber and in natural rubber latex using variants of the Kjeldahl process. Replaces the second edition.
POVUČEN
ISO 1656:1988
POVUČEN
ISO 1656:1996
95.99
Povučen
15. 10. 2014.
POVUČEN
ISO 1656:2014