CN106872504A - 一种x射线荧光分析鉴别真伪朱砂的方法 - Google Patents

一种x射线荧光分析鉴别真伪朱砂的方法 Download PDF

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CN106872504A
CN106872504A CN201710291290.3A CN201710291290A CN106872504A CN 106872504 A CN106872504 A CN 106872504A CN 201710291290 A CN201710291290 A CN 201710291290A CN 106872504 A CN106872504 A CN 106872504A
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张云平
冯泽川
林昊
陈学松
黄馨慧
陈启钊
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Wuzhou Institutes for Food and Drug Control
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Wuzhou Institutes for Food and Drug Control
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/223Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence

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Abstract

本发明公开了一种X射线荧光分析鉴别真伪朱砂的方法,为朱砂及其含该成份的中成药的鉴别建立了新方法,具有简捷、快速、直观、可靠的特点。属于化学检测领域。该方法采用X射线荧光元素分析仪对样品中的朱砂真伪进行分析鉴别。本发明可用于对紫雪散、保婴散、冰硼散、天王补心丸等中药中的朱砂成分进行分析鉴别。

Description

一种X射线荧光分析鉴别真伪朱砂的方法
技术领域
本发明属于化学检测领域,尤其是一种X射线荧光分析鉴别真伪朱砂的方法。
背景技术
X射线荧光光谱分析方法具分析的元素范围广、干扰少、分析时间短、样品无损等优点,因此元素分析中体现了独特的优势,随着便携式X射线荧光光谱仪市场化,X射线荧光光谱的鉴定技术得到了迅速的发展。
朱砂,又名辰砂,为硫化物类矿物,主含硫化汞(HgS),采挖后,选取纯净者,用磁铁吸净含铁的杂质,再用水淘去杂石和泥沙。色泽为鲜红或暗红,有光泽,气微、味淡。有清心镇惊,安神作用,有一定的毒性。据笔者调查,市场上的朱砂质量良莠不齐,特别是乡镇的小诊所、小药店,基本都是伪品或劣品。
因此需要一种快速无损的方法来现场检测,从而保障人民群众的用药安全。
发明内容
针对上述不足,本发明旨在提供一种X射线荧光分析鉴别真伪朱砂的方法,为朱砂及其含该成份的中成药的鉴别建立了新方法,具有简捷、快速、直观、可靠的特点。
为了实现上述技术效果,本发明提供的技术方案是这样的:一种X射线荧光分析鉴别真伪朱砂的方法,采用X射线荧光元素分析仪对样品中的朱砂真伪进行分析鉴别。
优选地,所述的X射线荧光元素分析仪为Thermo Scientific Niton XL3t XRFAnalyzer便携式X射线荧光元素分析仪。
优选地,所述的样品为紫雪散、保婴散、冰硼散、天王补心丸中的一种或几种。
优选地,所述的分析鉴别步骤为:取样品粉末置于X射线荧光元素分析仪中,选定铜锌矿模块进行扫描即可
本发明与传统方法相比,具有以下优点:
本发明利用X射线荧光光谱仪对朱砂进行鉴别分析结果显示,朱砂在La1(9.989)、Lb1(11.823)和Lr1(11.82)处出现了特征性较强的峰,为朱砂的主要有效成分硫化汞的汞元素特征峰,很好地反映出了朱砂的结构特征,含有朱砂的紫雪散、保婴散、冰硼散、天王补心丸均检测到了朱砂的汞元素特征峰,而不含有朱砂的伪品未检测到特征峰。
附图说明
图1为正品朱砂的主要元素特征谱图;
图2为伪品朱砂的主要元素特征谱图;
图3为冰硼散的主要元素特征谱图;
图4为紫雪散的主要元素特征谱图;
图5为保婴散的主要元素特征谱图;
图6为天王救心丸的主要元素特征谱图;
图7为不含朱砂的保婴丹的主要元素特征谱图。
具体实施方式
下面结合具体实施方式,对本发明的权利要求做进一步的详细说明,但不构成对本发明的任何限制,任何在本发明的权利要求保护范围内所做的有限次修改,仍在本发明的权利要求保护范围内。
实施例1
1仪器与样品
Thermo Scientific Niton XL3t XRF Analyzer便携式X射线荧光元素分析仪;朱砂正品,朱砂伪品均为平时日常检验中收集,圴按照《中国药典》2015年版一部朱砂品种项下进行检验确证;紫雪散、保婴散、冰硼散、天王补心丸等样品由市场购买。
2方法与结果
2.1方法
取样品粉末适量,置于样品台中,选用仪器自带的铜锌矿模块进行扫描。
2.2结果
真伪朱砂的XRF法鉴别结果与实验室结果相符,结果见图1-6。
3讨论
比较图谱可以看出伪品朱砂在Hg特征谱La1(9.989)、Lb1(11.823)无相应峰,与正品有显著差异,以此作为鉴别朱砂真伪的依据。有些伪品不但没有汞,甚至含铅量较高,如果患者长期误服伪品朱砂势必对患者身体健康产生危害。
4结论
本文采用X射线荧光光谱法测定样品中汞元素含量并作出元素特征谱对比分析,可快速鉴别朱砂的真伪,与其他鉴别朱砂的方法相比,具有不需要对样品进行预处理、大大节约分析时间、简捷快速、准确客观等优点,克服了其他方法易受主观因素的影响或过于复杂等缺点,可以利用此方法进行现场初筛,提高抽验靶向率,能满足日常监管过程中的快速筛查要求。
以上所述的仅为本发明的较佳实施例,凡在本发明的精神和原则范围内所做的任何修改、等同替换和改进等,均应包含在本发明的保护范围内。

Claims (4)

1.一种X射线荧光分析鉴别真伪朱砂的方法,其特征在于,采用X射线荧光元素分析仪对样品中的朱砂真伪进行分析鉴别。
2.根据权利要求1所述的一种X射线荧光分析鉴别真伪朱砂的方法,其特征在于,所述的X射线荧光元素分析仪为Thermo Scientific Niton XL3t XRF Analyzer便携式X射线荧光元素分析仪。
3.根据权利要求1所述的一种X射线荧光分析鉴别真伪朱砂的方法,其特征在于,所述的样品为紫雪散、保婴散、冰硼散、天王补心丸中的一种或几种。
4.根据权利要求1所述的一种X射线荧光分析鉴别真伪朱砂的方法,其特征在于,所述的分析鉴别步骤为:取样品粉末置于X射线荧光元素分析仪中,选定铜锌矿模块进行扫描即可。
CN201710291290.3A 2017-04-28 2017-04-28 一种x射线荧光分析鉴别真伪朱砂的方法 Pending CN106872504A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2905723B2 (ja) * 1995-05-30 1999-06-14 理学電機工業株式会社 X線分析装置
JP3160135B2 (ja) * 1993-11-02 2001-04-23 理学電機工業株式会社 X線分析装置
CN101078696A (zh) * 2006-05-26 2007-11-28 精工电子纳米科技有限公司 荧光x射线分析设备
CN101504379A (zh) * 2009-01-14 2009-08-12 济南康众医药科技开发有限公司 一种药用蒙脱石x射线衍射图谱鉴别标准
CN102095742A (zh) * 2010-11-25 2011-06-15 天津出入境检验检疫局化矿金属材料检测中心 一种对铁矿与氧化铁皮进行区分的鉴别方法
CN103364423A (zh) * 2012-03-30 2013-10-23 鞍钢股份有限公司 一种利用x射线荧光光谱仪测定尘泥球团成分的方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3160135B2 (ja) * 1993-11-02 2001-04-23 理学電機工業株式会社 X線分析装置
JP2905723B2 (ja) * 1995-05-30 1999-06-14 理学電機工業株式会社 X線分析装置
CN101078696A (zh) * 2006-05-26 2007-11-28 精工电子纳米科技有限公司 荧光x射线分析设备
CN101504379A (zh) * 2009-01-14 2009-08-12 济南康众医药科技开发有限公司 一种药用蒙脱石x射线衍射图谱鉴别标准
CN102095742A (zh) * 2010-11-25 2011-06-15 天津出入境检验检疫局化矿金属材料检测中心 一种对铁矿与氧化铁皮进行区分的鉴别方法
CN103364423A (zh) * 2012-03-30 2013-10-23 鞍钢股份有限公司 一种利用x射线荧光光谱仪测定尘泥球团成分的方法

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