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Dive into the research topics where Wang Ruihua is active.

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Featured researches published by Wang Ruihua.


journal of chemistry and chemical engineering | 2017

Analysis of γ-Hydroxybutyrate in Human Urine by LC-MS/MS Method and Its Forensic Application

Luan Yujing; Wang Ruihua; Dong Ying

GHB (γ-hydroxybutyrate) is becoming popular recreational drugs. As a result of its strong sedative and amnesiac effects, GHB has been implicated in a number of DFSA cases. The natural presence of GHB in the human body and its rapid elimination after ingestion make it difficult to detect and to evaluate its roles in suspected GHB-facilitated assaults. The paper describes an analytical method for the determination of GHB in urine using LC-MS/MS. Samples were acidified by ammonium chloride solution and extracted with ethyl acetate, and then the extracts were analysed by LC-MS/MS. The limit of detection was 0.05 μg/mL (S/N = 3). The intraand inter-day precision was within 10.0% at three concentrations. The methods were found to be sensitive, accurate, rapid and suitable for the forensic toxicology to test GHB in real cases.


Archive | 2015

Method for screening toxic substances in sample by using solid phase support liquid-liquid extraction-GC MS

Chang Jing; Wang Jiong; Luan Yujing; Wang Ruihua; Guo Zhen; Cui Guanfeng; Hou Xiaoping; Wang Fanglin; Yu Zhongshan; He Yi


Archive | 2015

Method for screening toxic substances in sample by using solid phase microextraction-GC-MS

Chang Jing; Zhang Yunfeng; Wang Ruihua; Guo Zhen; Cui Guanfeng; Hou Xiaoping; Wang Fanglin; Yu Zhongshan; He Yi


Archive | 2015

Deuterated alprazolam and preparation method thereof

Du Hongyan; Zhang Leiping; Dong Ying; Wang Ruihua; Luan Yujing; Chang Jing; Yu Zhongshan; He Yi; Wang Fanglin; Wang Jiong; Zhang Yunfeng; Hou Xiaoping; Cui Guanfeng


Archive | 2015

Deuterated diazepam and preparation method thereof

Du Hongyan; Dong Ying; Luan Yujing; Zhang Leiping; Wang Ruihua; Chang Jing; Yu Zhongshan; He Yi; Wang Fanglin; Wang Jiong; Hou Xiaoping; Zhang Yunfeng; Cui Guanfeng


Archive | 2014

Pyrethroid pesticide inspection method for treating biological detection material by using gel permeation chromatography

Luan Yujing; Dong Ying; Wang Ruihua; Du Hongyan; Zhang Leiping; Chang Jing; He Yi; Wang Jiong; Zhang Yunfeng; Hou Xiaoping; Yu Zhongshan; Wang Fanglin; Cui Guanfeng


Archive | 2017

Method for preparing fluoroacetamide for quantitative and qualitative determination of forensic science

Du Hongyan; Xu Xiaoying; Wei Chunming; Yu Zhongshan; Wang Ruihua; Dong Ying; Song Ge; Zhang Leiping; Ren Xinxin


Archive | 2017

Preparation method of sodium fluoroacetate for qualitative and quantitative analysis of forensic science

Du Hongyan; Yu Zhongshan; Song Ge; Xu Xiaoying; Dong Ying; Wei Chunming; Wang Ruihua; Zhang Leiping; Ren Xinxin


Archive | 2017

Preparation method of fluoroacetic acid for forensic science quantitative and qualitative use

Du Hongyan; Yu Zhongshan; Xu Xiaoying; Song Ge; Dong Ying; Wang Ruihua; Zhang Leiping; Wei Chunming; Ren Xinxin


Archive | 2015

Method for preparing anti-coagulation raticide bromadiolone half antigen and complete antigen

Dong Ying; Luan Yujing; Zhang Leiping; Wang Ruihua; Du Hongyan; Wang Jiong; Chang Jing; Yu Zhongshan; He Yi; Wang Fanglin; Hou Xiaoping; Zhang Yunfeng; Yao Yiren

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