NF ISO 127 : 2012
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RUBBER, NATURAL LATEX CONCENTRATE - DETERMINATION OF KOH NUMBER
08-01-2019
12-01-2013
La présente Norme internationale prescrit une méthode pour la détermination de l'indice de potasse, applicable au latex concentré de caoutchouc naturel préservé complètement ou partiellement à l'ammoniaque. La méthode est applicable aux latex contenant de l'acide borique. La méthode n'est pas applicable aux latex préservés à l'hydroxyde de potassium. Elle ne convient pas nécessairement aux latex d'origine naturelle autres que celui de l'Hevea brasiliensis ou aux dispersions d'élastomères de synthèse, aux mélanges de latex, au latex vulcanisé ou aux dispersions artificielles de caoutchouc.
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