GB/T 8088-2008 in English

《GB/T 8088-2008天然生胶和天然胶乳 氮含量的测定》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC8（全国橡胶与橡胶制品标准化技术委员会天然橡胶分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了用凯氏定氮法测定天然生胶和天然胶乳中氮含量的常量法和半微量法。本标准适用于天然生胶和天然胶乳中氮含量的测定。本标准代替GB/T 8088-1999《天然生胶和天然胶乳氮含量的测定》
本标准与GB/T 8088-1999相比主要差异如下：
――对4.1.5、5.1.5、4.1.6、5.1.6、4.1.3、5.1.3、4.4.2、5.4.2.1、4.6.1、4.6.2、5.6.1、5.6.2

Scope

WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This standard specifies the constant method and semi-micro method for the determination of nitrogen content in natural raw rubber and natural latex by the Kjeldahl method. This standard applies to the determination of nitrogen content in natural raw rubber and natural latex.