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China GB Standards List

 GB/T 2441.9-2010  
Determination of urea - Part 9: Methylenediurea content - Spectrophotometric method

尿素的测定方法 第9部分:亚甲基二脲含量 分光光度法
 GB/T 2441.2-2010  
Determination of urea - Part 2: Biuret content - Spectrophotometric method

尿素的测定方法 第2部分:缩二脲含量 分光光度法

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