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- W968384286 abstract "本文介绍一个用红外光谱法测定尿素生产装置内使用过的脱氢催化剂中S(Ⅵ)的含量(以SO_4~-形式存在)。取Al_2(SO_4)_3作标样,溴化钾压片法制备13mm样片,用补偿法测定1120cm~(-1)SO_4~(2-)吸收峰的光密度,绘制A_(1120)～S(Ⅵ)标准曲线。样片中SO_4~(2-)含量在1mg以内符合朗伯—比尔定律。当脱氢催化剂中S(Ⅵ)含量在20％以内,方法准确度为3％,平均偏差最大为0.20。文中并介绍了操作误差的来源及克服办法。" @default.
- W968384286 created "2016-06-24" @default.
- W968384286 creator A5068771662 @default.
- W968384286 date "1990-01-31" @default.
- W968384286 modified "2023-09-23" @default.
- W968384286 title "红外光谱法测定尿素生产中脱氢催化剂的 S(VI)含量" @default.
- W968384286 hasPublicationYear "1990" @default.
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