CN1304039A - 一种用高效液相色谱分析1,3-二氨基硫脲的方法 - Google Patents

一种用高效液相色谱分析1,3-二氨基硫脲的方法 Download PDF

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CN1304039A
CN1304039A CN 00102461 CN00102461A CN1304039A CN 1304039 A CN1304039 A CN 1304039A CN 00102461 CN00102461 CN 00102461 CN 00102461 A CN00102461 A CN 00102461A CN 1304039 A CN1304039 A CN 1304039A
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diaminothiourea
water
thiocarbamide
chromatographic
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CN1134661C (zh
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张昌鸣
刘振宇
杨建丽
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Shanxi Institute of Coal Chemistry of CAS
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Shanxi Institute of Coal Chemistry of CAS
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Abstract

一种用高效液相色谱分析1,3-二氨基硫脲的方法,选取Zorbax-ODS为色谱柱担体,用甲醇和水配制成移动相,在高效液相色谱仪上用紫外多波长检测器进行检测,以色谱外标法进行定量。本发明具有产品分析仪器化;分析结果误差小;分析过程快速,方便易操作;不仅可以检测1,3-二氨基硫脲产品的纯度,还可用于检测含有微量1,3-二氨基硫脲的溶液及废液中1,3-二氨基硫脲的含量的优点。

Description

一种用高效液相色谱分析1,3-二氨基硫脲的方法
本发明属于一种1,3-二氨基硫脲的分析方法,具体地说涉及一种用高效液相色谱分析1,3-二氨基硫脲的方法。
1,3-二氨基硫脲是一种重要的化学检测试剂及化工原料,由于它具有重要的使用价值,人们开展了从不同渠道进行研制合成。但是目前1,3-二氨基硫脲纯度的检测是以化学法即滴定法完成的,误差较大,一般误差大于3%。
本发明的目的是提供一种用高效液相色谱分析1,3-二氨基硫脲的方法,用该方法分析的结果误差小。
本发明的发明目的是这样实施的,选取Zorbax-ODS为色谱柱担体,用甲醇和水配制成移动相,在高效液相色谱仪上用紫外多波长检测器进行分析,以色谱外标法进行定量。
本发明的具体操作步骤如下:
(1)用高效液相色谱仪,紫外多波长检测器,色谱柱尺寸为长10-30cm,直径4-5cm;
(2)用Zorbax-ODS为色谱柱担体,甲醇和水配制成体积比为甲醇∶水=0∶100-20∶80的移动相;
(3)配制成0.1mg/ml-1ml与分离体系相匹配的分析样品溶液;
(4)稳定高效液相色谱仪之后,对色谱体系进样,进样量为4μl-20μl;
(5)待测试样品得以分离后,以标准样品作外标定量样品纯度。
本发明与现有技术相比具有如下优点:
1.分析结果误差小;
2.分析过程快速,方便易操作;
3.不仅可以检测1,3-二按基硫脲产品的纯度,还可用于检测含有微量
实施例1
使用岛津LC-3A高速液相色谱仪SPD-1紫外多波长检测器,波长为254mm,色谱柱尺寸是25cm长,0.46cm直径,色谱柱担体是Zorbax-ODS,移动相是甲醇和水组成,甲醇∶水=9∶91(v/v),样品配样浓度为0.2944mg/ml;进样量为10μl,流速是1.1ml/min,分析结果是1,3-二氨基硫脲纯度为98.808%(w%)色谱分离图如图1。
对本分析样品进行四次测定的误差统计列于表1。
   表1      同一样品测定误差考查
  序  号     1     2     3     4
  结果(w%)   98.808   98.952   98.228   98.612
实施例2
移动相为甲醇∶水=11.89(v/v),样品配样浓度0.2950mg/ml;进样量为10μl;其余同实施例1,分析结果是1,3-二氨基硫脲纯度为96.503%(w%),色谱分离图如图2。
实施例3
移动相为水,样品配制浓度0.58mg/ml;进样量为20μl,同实施例1,1,3-二氨基硫脲纯度为97.730%(w%),色谱分离图如图3。
实施例4
移动相是甲醇∶水=20∶80(v/v),样品配样浓度0.2952mg/ml;进样量为5μl,分析结果是1,3-二氨基硫脲的纯度,色谱分离图如图4。

Claims (1)

1.一种用高效液相色谱分析1,3-二氨基硫脲的分析方法,其特征在于操作步骤如下:
(1)用高效液相色谱仪,紫外多波长检测器,色谱柱尺寸为长10-30cm,直径4-5cm;
(2)用Zorbax-ODS为色谱柱担体,甲醇和水配制成体积比为甲醇∶水=0∶100-20∶80的移动相;
(3)配制成0.1mg/ml-1ml与分离体系相匹配的分析样品溶液;
(4)稳定高效液相色谱仪之后,对色谱体系进样,进样量为4μl-20μl;
(5)待测试样品得以分离后,以标准样品作外标定量样品纯度。
CNB001024612A 2000-03-09 2000-03-09 一种用高效液相色谱分析1,3-二氨基硫脲的方法 Expired - Fee Related CN1134661C (zh)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304840C (zh) * 2004-03-16 2007-03-14 金陵药业股份有限公司 一种治疗血栓闭塞性疾病的注射液的质量控制方法
CN1308677C (zh) * 2004-12-29 2007-04-04 南京大学 3-硝基或4-硝基邻苯二甲酸及其杂质的高效液相色谱分析法
CN100339707C (zh) * 2005-02-01 2007-09-26 南京圣和药业有限公司 通过高效液相色谱法检测奥硝唑光学对映体的方法
CN100401058C (zh) * 2006-04-14 2008-07-09 张宏业 一种尼群地平和阿替洛尔的联合测定方法
CN100416272C (zh) * 2004-03-18 2008-09-03 广州白云山天心制药股份有限公司 测定头孢吡肟及其盐类原料与制剂中聚合物对照品溶液的制备方法
CN101122589B (zh) * 2007-09-05 2011-01-12 刘忠发 一种尿素及其缩二脲、亚甲基二脲杂质的高效液相色谱分析方法
CN1959405B (zh) * 2005-11-04 2011-02-16 天津天士力制药股份有限公司 一种对伞花烃的含量测定方法
CN106290680A (zh) * 2015-05-20 2017-01-04 重庆药友制药有限责任公司 头孢美唑酸的中间体s-氰甲基异硫脲的分析方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304840C (zh) * 2004-03-16 2007-03-14 金陵药业股份有限公司 一种治疗血栓闭塞性疾病的注射液的质量控制方法
CN100416272C (zh) * 2004-03-18 2008-09-03 广州白云山天心制药股份有限公司 测定头孢吡肟及其盐类原料与制剂中聚合物对照品溶液的制备方法
CN1308677C (zh) * 2004-12-29 2007-04-04 南京大学 3-硝基或4-硝基邻苯二甲酸及其杂质的高效液相色谱分析法
CN100339707C (zh) * 2005-02-01 2007-09-26 南京圣和药业有限公司 通过高效液相色谱法检测奥硝唑光学对映体的方法
CN1959405B (zh) * 2005-11-04 2011-02-16 天津天士力制药股份有限公司 一种对伞花烃的含量测定方法
CN100401058C (zh) * 2006-04-14 2008-07-09 张宏业 一种尼群地平和阿替洛尔的联合测定方法
CN101122589B (zh) * 2007-09-05 2011-01-12 刘忠发 一种尿素及其缩二脲、亚甲基二脲杂质的高效液相色谱分析方法
CN106290680A (zh) * 2015-05-20 2017-01-04 重庆药友制药有限责任公司 头孢美唑酸的中间体s-氰甲基异硫脲的分析方法

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