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Standard
| HG/T 4103-2009 Chemical reagent - General method for the determination of organic nitrogen compounds (English Version) |
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Detail of HG/T 4103-2009
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Introduction of HG/T 4103-2009
本标准规定了将有机化合物的氮转变成氨，以硼酸溶液吸收蒸馏出的氨，用酸碱滴定法测定氮含量的通用方法。
本标准适用于有机试剂中常量氮的测定。对于氮氮、氮氧有机氮化合物，例如偶氮、肼、腙、硝基、亚硝基、缩脲等，需按标准规定作适当预处理后，再用本标准进行测定。
Contents of HG/T 4103-2009