| 制备条件对负载型催化剂上Mo负载量的影响 |
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| 引用本文： | 方奕文,薛亮,王文进,郭锐华.制备条件对负载型催化剂上Mo负载量的影响[J].汕头大学学报(自然科学版),2005,20(4):28-31,42. |
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| 作者姓名： | 方奕文 薛亮 王文进 郭锐华 |
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| 作者单位： | 汕头大学化学系,广东,汕头,515063 |
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| 基金项目： | 国家自然科学基金资助项目（No：20143004） |
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| 摘 要： | 在不同条件下制备一系列负载型Mo催化剂,并用ICP-AES法测定所制备催化剂上Mo的负载量,计算实际负载百分率(实测值与计算值之比),从而考察不同制备条件对Mo活性组分负载量的影响.结果显示,浸渍液中活性组分的浓度、浸渍时间、焙烧温度、浸渍液的溶剂类型等对负载型Mo催化剂上Mo的负载量都有一定的影响,而载体类型对负载量的影响较小.验证结果表明,Mo元素的检出限为8.220μg.L-1,加标回收率为102.6%~104.3%,11次测定的RSD(n=11)小于0.863%,方法符合检测要求.
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| 关 键 词： | 制备条件 催化剂 Mo负载量 电感藕合等离子原子发射光谱 |
| 文章编号： | 1001-4217（2005）04-0028-04 |
| 收稿时间： | 2005-05-13 |
| 修稿时间： | 2005-05-13 |
The Influence of Preparation Conditions on Mo-Loading in Supported Mo Catalysts |
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| FANG Yi-wen,XUE Liang,WANG Wen-jin,GUO Rui-hua.The Influence of Preparation Conditions on Mo-Loading in Supported Mo Catalysts[J].Journal of Shantou University(Natural Science Edition),2005,20(4):28-31,42. |
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| Authors: | FANG Yi-wen XUE Liang WANG Wen-jin GUO Rui-hua |
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| Abstract: | A series of supported Mo catalysts were prepared under different conditions.The Mo-loading was determined by inductively coupled plasma-atomic emission spectrometry(ICP-AES)andactual supported ratio which is determined value to calculated value was calculated.The influence of preparation conditions on Mo-loading was investigated.The results showed that Mo-loading was affected by active component concentration in impregnation solution,impregnation time,calcination temperature and solvent of impregnation solution,whereas it was less affected by all kinds of supports.Feasibility of determined method was investigated and the results showed that the detection limit of Mo was 8.220μg·L~(-1),the recovery of standard addition was 102.6%～104.3%,the relative standard deviation(n=11)was less than 0.863%.The method is efficient,accurate and easy to operate. |
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| Keywords: | preparation condition catalyst Mo-loading inductively coupled plasma atomic emission spectrometry |
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