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车载SCR用尿素还原剂质量快速评定方法

郑艳宏,米新艳,曹婷婷,杨帅,苏中辉, 李军泽

Automobile Technology & Material（2018）

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Abstract
根据尿素还原剂取样调查结果,针对性的开发了快速评定方法:通过目测无混浊和杂质、电导率测定不超过1000 uS/cm和尿素浓度测定值处于31.8％-33.2％,判定合格.该方法可迅速高效地完成尿素还原剂的质量评定,与标准测定结果吻合度高.国四SCR用尿素还原剂质量将对全国范围内的国四推广产生重要影响.
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