| 电位滴定法测定盐酸苯乙双胍含量 |
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| 引用本文： | 方方,尹菁,石蓓佳. 电位滴定法测定盐酸苯乙双胍含量[J]. 海峡药学, 2011, 23(7): 73-75 |
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| 作者姓名： | 方方 尹菁 石蓓佳 |
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| 作者单位： | 江苏省食品药品检验所,南京,210008 |
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| 摘 要： | 目的 建立环保便捷的盐酸苯乙双胍含量的电位滴定方法.方法 采用Mettler Toledo DL53电位滴定仪、Mettler DG113-GC电极,以20mL冰醋酸和20mL醋酐为溶剂进行电位滴定.结果 盐酸苯乙双胍取样量在0.06～0.14g范围内,线性良好,r=0.9999(n=5),中间精密度为0.34%,稳定...
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| 关 键 词： | 盐酸苯乙双胍 电位滴定法 含量测定 |
Determination of Phenformin hydrochloride by potentiometric titration |
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| FANG Fang,YIN Jing,SHI Bei-jia. Determination of Phenformin hydrochloride by potentiometric titration[J]. Strait Pharmaceutical Journal, 2011, 23(7): 73-75 |
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| Authors: | FANG Fang YIN Jing SHI Bei-jia |
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| Affiliation: | (Jiangsu Institute For Food and Drug Control,Nanjing 210008,China) |
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| Abstract: | OBJECTIVE To establish an environmental and convenient method for determination of phenformin hydrochloride.METHODS The potentiometric titration was performed on Mettler Toledo DL53 and Mettler DG113-GC using 20mL glacial acetic acid and 20mL acetic anhydride as solvent.RESULTS The linear range of weight was 0.06～0.14g(r=0.9999,n=5),inter space accuracy was 0.34%,the RSD of stability experiment and repeatability experiment were less than 0.5%.CONCLUSION This method was suitable for the determination of phenformin hydrochloride. |
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| Keywords: | Phenformin hydrochloride Potentiometric titration Determination |
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