ISO 1656:2014 specifies a macro-method and a semi-micro method for the determination of nitrogen in raw natural rubber and in natural rubber latex using variants of the Kjeldahl process.
Revises
ISO 1656:1996
WITHDRAWN
ISO 1656:2014
95.99
Withdrawal of Standard
30 korr 2019
PUBLISHED
ISO 1656:2019
Gomë natyrale e papërpunuar, dhe lateks gome natyral - Përcaktimi i përmbajtjes së azotit
60.60 Standard published
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