| 激光衍射法测定精对苯二甲酸产品粒度 |
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| 引用本文： | 吴晨光,丁文华,丁大喜.激光衍射法测定精对苯二甲酸产品粒度[J].石油化工,2005,34(1):70-74. |
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| 作者姓名： | 吴晨光 丁文华 丁大喜 |
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| 作者单位： | 扬子石油化工股份有限公司,质量技术监督部,江苏,南京,210048 |
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| 摘 要： | 利用湿式试样分散的激光衍射法测定了精对苯二甲酸的粒度,对分散剂进行了筛选,探讨了超声条件、搅拌速率、计算模式对测定结果的影响,比较了激光衍射法与筛分法测定结果之间的差异。结果表明,以水为分散介质、壬基酚聚氧乙烯醚为分散剂,不做超声处理,可获得令人满意的精对苯二甲酸粒度测定结果。
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| 关 键 词： | 精对苯二甲酸 粒度 激光衍射法 |
| 文章编号： | 1000-8144(2005)01-0070-05 |
| 修稿时间： | 2004年7月22日 |
Measurement of Terephthalic Acid Particle Size by Laser Diffraction Method |
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| Abstract: | Laser diffraction with wet sample dispersion was applied to determine particle size of terephthalic acid.Appropriate dispersant has been selected.Effect of ultrasonic treatment,stirring and optical model on measurement were discussed.This method was also compared with sieve analysis.Reasonable result could be obtained by using water as dispersion medium,and nonyl hydroxybenzene polyethoxylate ether as dispersant but ultrasonic treatment was not preferred. |
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| Keywords: | terephthalic acid particle size laser diffraction |
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