CN1090760C - 一种用于分析焦油中蒽油的色谱柱及使用方法 - Google Patents

一种用于分析焦油中蒽油的色谱柱及使用方法 Download PDF

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CN1090760C
CN1090760C CN96119617A CN96119617A CN1090760C CN 1090760 C CN1090760 C CN 1090760C CN 96119617 A CN96119617 A CN 96119617A CN 96119617 A CN96119617 A CN 96119617A CN 1090760 C CN1090760 C CN 1090760C
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CN1164647A (zh
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王兰
王曾秀
刘翠霞
成钢
张前香
陈秋云
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Wuhan Iron and Steel Group Corp
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Abstract

一种用于分析焦油中蒽油的色谱柱及使用方法,其特性在于不锈钢管中的填充料的固定液为SE-30及与担体为Chromosorb w按其重量的9.5∶100配比而成,并在色谱柱柱温为190~250℃、汽化温度为280~320℃、检测温度为200~270℃、载气压力在0.03~0.1MPa、燃烧氢气的流量在16~145ml/分、助燃空气的流量为83~358ml/分等条件下使用。使用本发明分析焦油中的蒽油速度快、准确率高置信度达95%以上、无环境污染、成本低,使用周期可达1~2年。

Description

一种用于分析焦油中蒽油的色谱柱及使用方法
本发明涉及到用于分析仪中色谱柱及使用方法,尤其是属于分析焦油中蒽油的分析。
在本发明之前,分析焦油中的蒽油,主要采取蒸馏法,其存在不足:操作复杂,分析周期长,即需一个小时左右,严重污染环境,对操作人员身体有害,长期在此工作,易发职业病。也曾有人在分析蒽油时尝试采用填充柱气相色谱法,但未成功,使用周期仅月余。
本发明的目的在于克服上述不足,提供一种操作简单、无环境污染、分析蒽油组份快速,准确,其分析数据置信度高达95%上的色谱柱及使用方法。
本发明的目的是这样实现的:用于分析焦油中蒽油的色谱柱,由不锈钢管及填充料组成,其填充料中的固定液SE-30与担体Chromosorb W的重量配比为9.5∶100,不断进行搅拌,以使担体Chromosorb W外表所涂SE-30均匀。用于分析焦油中蒽油的色谱柱的使用方法,在于将色谱柱的温度控制在190~250℃,检测温度控制在200~270℃,汽化温度控制在280~320℃,载气压力控制在0.03~0.1MPa,燃烧气体氢气的流量为16~145ml/分,助燃空气的流量为83~385ml/分,衰减为21~3,灵敏度107~9
下面结合实施例进一步详述如下:
实施例一:色谱柱为不锈钢材料,其尺寸为Φ3mm×2m,填充料的固定液SE-30与担体Chromosorb W在混合时的重量配比为9.5∶100。色谱柱的柱温在230℃、汽化温度在300℃、检测温度在250℃、载气N2的流量为20ml/分,助燃空气的流量为160ml/分,燃烧气体H2的流量为43.90ml/分,衰减22,灵敏度为108,色谱数据处理机操作时在峰宽为5、斜率为自测、最小面积为200平方毫米、变参时间为0、锁定时间为0.8分、停止时间为18分钟、进样量为0.2μL、蒽油试样量为0.4μL。在上述条件下,对蒽油进行色谱定量、定性分析结果,见图1及表1。
从蒽油定性分析结果可以看出,蒽油中的主要组份在10分钟之前已分离出,仅有在16分钟左右才分离出来。因此停留时间定在18分钟为好。
为了验证色谱分析数据的准确度,利用所配标样,采用修正面积归一法平行测定十次,进行检验计算,见表2。
从表2可见,各物质的t检验计算结果都小于置信度为95%时的理论值t=2.26,说明测定值与真实值附合程度很好。利用色谱分析焦油中蒽油数据的置信度达到95%以上,说明用本发明分析的数据是准确可靠的。
为了验证色谱数据的精密度,对所取得的6个随机抽样,每个试样进行5次试验,结果见表3。
从表3中可见,实际标准偏差远远小于理论允许标准偏差,说明该分析方法的精密度很好。
采用本发明分析焦油中的蒽油,操作简单、分析周期不超过18分钟,且做到了分析快速、准确、可靠,置信度达95%以上,不污染环境,改善了操作人员的工作条件,职业病不易发生,使用周期可达1~2年。

Claims (2)

1、一种用于分析焦油中蒽油的色谱柱,由不锈钢管及填充料组成,其特征在于填充料中的固定液SE-30与担体Chromosorb w的重量配比为9.5∶100,将二者混合时搅拌均匀。
2、一种用于分析焦油中蒽油的色谱柱的使用方法,其特征在于在色谱柱的温度控制在190~250℃、汽化温度控制在280~320℃、检测温度控制在200~270℃、载气压力控制在0.03~0.1MPa、燃烧气体氢气的流量为16~145ml/分、助燃空气的流量为83~358ml/分、衰减21~3、灵敏度107~9的条件下使用。
CN96119617A 1996-09-01 1996-09-01 一种用于分析焦油中蒽油的色谱柱及使用方法 Expired - Fee Related CN1090760C (zh)

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CN101786935B (zh) * 2010-02-26 2012-12-12 曲靖众一精细化工股份有限公司 混合蒽油提取芴、蒽及咔唑的方法
CN103604886B (zh) * 2013-11-26 2015-01-07 武汉钢铁(集团)公司 用毛细管色谱法测定焦化工业蒽油中蒽含量的方法
CN107367568A (zh) * 2017-07-31 2017-11-21 内蒙古中煤蒙大新能源化工有限公司 一种快速分析气体样品中烃类含量的方法

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仪器分析 第一版 1980.6.1 樊文涛 贾定 化学工业出版社 *

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