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ISO 1656

Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content

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Organization: ISO
Publication Date: 1 July 2019
Status: active
Page Count: 28
ICS Code (Latex and raw rubber): 83.040.10
scope:

This document 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.

NOTE The determination of nitrogen in natural rubber is usually carried out in order to arrive at an estimate of the protein content. Minor amounts of non-proteinous nitrogen containing constituents are also present. However, in the dry solids prepared from natural rubber latex, these materials can make a substantial contribution to the total nitrogen content.

 

Document History

ISO 1656
July 1, 2019
Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content
This document 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. NOTE The...
October 15, 2014
Rubber, raw natural, and rubber latex, natural - Determination of nitrogen content
This International Standard 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...
February 1, 1996
Rubber, Raw Natural, and Rubber Latex, Natural - Determination of Nitrogen Content
A description is not available for this item.

References

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