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    Determination of 2 Preservatives in 3 Common Rinse-Off Cosmetics by UHPLC-MS/MS
    LU Duanping, CHEN Shuo, CHENG Jiahua, XIE Songyang, WANG Yong
    2021, 57(11): 961-969. DOI: 10.11973/lhjy-hx202111001
    Abstract PDF
    Chiral Separation and Determination of Carnitine Enantiomers in Infant Formula by Ultra-Performance Convergence Chromatography
    ZHANG Wenhua, XIE Wen, HOU Jianbo, ZHANG Yaqin, WANG Peng, HU Xiaoli, XU Dunming
    2021, 57(11): 970-976. DOI: 10.11973/lhjy-hx202111002
    Abstract PDF
    Determination of Gold in Crude Lead by ICP-AES after Separation with Low Temperature Ethanol
    QI Baiyu, WANG Ding, WANG Zhuo, LU Changxiang, LIU Jingjing
    2021, 57(11): 977-980. DOI: 10.11973/lhjy-hx202111003
    Abstract PDF
    Determination of 4 Tobacco-Specific N-Nitrosamines in E-Cigarette Liquid and Aerosol by HPLC-MS/MS
    WANG Tiannan, WANG Yangzhong, LIU Hong, CHEN Min, FEI Ting, WU Da
    2021, 57(11): 981-988. DOI: 10.11973/lhjy-hx202111004
    Abstract PDF
    Rapid Determination of 45 Additives in Plastics for Electronic and Electrical Products by Gas Chromatography-Tardem Mass Spectrometry
    ZHAO Lei, HAN Chen, LI Wenhui, SUN Duozhi, WU Yaping
    2021, 57(11): 989-998. DOI: 10.11973/lhjy-hx202111005
    Abstract PDF
    Prediction of 3 Components in Water Phase from Reverse Osmosis Composite Membrane Production Line with Models Based on Near-Infrared Spectroscopy
    TAN Huifen, ZHANG Yu, CHEN Tao, PAN Yaoyi, PAN Qiaoming, CHEN Zhishan
    2021, 57(11): 999-1004. DOI: 10.11973/lhjy-hx202111006
    Abstract PDF
    Determination of Phorate and Its Metabolites Residues in Vegetable Soil by Ultra-High Performance Liquid Chromatography-Quadrupole/ Electrostatic Field Orbitrap High Resolution Tandem Mass Spectrometry
    HAN Mei, JIAO Ying, QIU Shiting, HOU Xue
    2021, 57(11): 1005-1010. DOI: 10.11973/lhjy-hx202111007
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    Models Based on Near-Infrared Spectroscopy for Rapid Prediction of Hyperin and Isoquercitrin in Miao Medicine of Leaves of Toricellia Angulata Oliv.var.intermedia (Harms) Hu
    HAN Zhongyao, WEN Chaoxu, LI Yan, MENG Huitong, DENG Xiankuo, HU Zhiping, LU Yang, TIAN Hao, WANG Wanle
    2021, 57(11): 1011-1016. DOI: 10.11973/lhjy-hx202111008
    Abstract PDF
    Determination of 25 Common and New Food Additives in Beverages by Ultra-High Performance Liquid Chromatography
    LIU Yun, LIU Hong, LI Zhiquan
    2021, 57(11): 1017-1021. DOI: 10.11973/lhjy-hx202111009
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    Simultaneous Determination of Mercury and Arsenic in Marine Sediments by Dual-Channel Atomic Fluorescence Spectrometry after Wet Digestion
    DOU Wenyuan, TANG Wanting, YAO Zhikai, XU Huique, YAO Li, ZHANG Weiyu
    2021, 57(11): 1022-1027. DOI: 10.11973/lhjy-hx202111010
    Abstract PDF
    Regional Distribution and Composition Characteristics of 16 Rare Earth Elements in Tea from Different Producting Areas in Shaanxi Province
    LIU Yu, CHENG Guoxia, ZHAO Di, YUAN Wenting, WANG Caixia, NIE Xiaoling
    2021, 57(11): 1028-1032. DOI: 10.11973/lhjy-hx202111011
    Abstract PDF
    Research Progress and Application of Relationship Between Stable Isotope Composition of Human Hair and Diet and Drinking Water
    YU Ziyang, MEI Hongcheng, ZHU Jun, YANG Ruiqin, QUAN Yangke, WANG Guiqiang
    2021, 57(11): 1048-1056. DOI: 10.11973/lhjy-hx202111016
    Abstract PDF