Home / Standards / GB/T 41942-2022 GB/T 41942-2022 Active Rubber, raw natural, and rubber latex, natural—Determination of nitrogen content—Micro Dumas combustion method 天然生胶和天然胶乳 氮含量的测定 微杜马斯燃烧法 Standard Type GBT ICS 83.040.10 CCS B72 Status 现行 Issue Date 2022-12-30 Implementation 2023-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A