Analytical Letters, Volume 52, Issue 11 (2019)

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Analytical Letters, Volume 52, Issue 11 (2019)

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Gas Chromatography

Article
Needle-Trap Device (NTD) Packed with Reduced Graphene Oxide (rGO) for Sample Preparation Prior to the Determination of Polycyclic Aromatic Hydrocarbons (PAHs) from Aqueous Samples by Gas Chromatography–Mass spectrometry (GC-MS)
Kamila Kędziora-Koch, Iwona Rykowska & Wiesław Wasiak
Pages: 1681-1698
Published online: 30 Jan 2019
AbstractforNeedle-Trap Device (NTD) Packed with Reduced Graphene Oxide (rGO) for Sample Preparation Prior to the Determination of Polycyclic Aromatic Hydrocarbons (PAHs) from Aqueous Samples by Gas Chromatography–Mass spectrometry (GC-MS) | Full Text | References | PDF (2.1 MB) | EPUB
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Environmental Analysis

Article
Determination of Ultra-Trace Platinum, Palladium, Ruthenium, Rhodium, and Iridium in Rocks and Minerals by Inductively Coupled–Plasma Mass Spectrometry Following Nickel Sulfide Fire Assay Preconcentration and Open Mixed Acid Digestion
Wenshan Ni, Xiangju Mao & Hongli Zhang
Pages: 1699-1710
Published online: 24 Apr 2019
AbstractforDetermination of Ultra-Trace Platinum, Palladium, Ruthenium, Rhodium, and Iridium in Rocks and Minerals by Inductively Coupled–Plasma Mass Spectrometry Following Nickel Sulfide Fire Assay Preconcentration and Open Mixed Acid Digestion | Full Text | References | PDF (1,003.8 KB) | EPUB
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Fluorescence

Article
N, S Co-Doped Carbon Quantum Dots for the Selective and Sensitive Fluorescent Determination of N-Acetyl-l-Cysteine in Pharmaceutical Products and Urine
Yingping Li, Yue Hu, Yong Jia, Xiaohui Jiang & Zhengjun Cheng
Pages: 1711-1731
Published online: 22 Apr 2019
AbstractforN, S Co-Doped Carbon Quantum Dots for the Selective and Sensitive Fluorescent Determination of N-Acetyl-l-Cysteine in Pharmaceutical Products and Urine | Full Text | References | PDF (2.7 MB) | EPUB | Supplemental
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Infrared

Article
Near-Infrared Spectroscopy Analytical Model Using Ensemble Partial Least Squares Regression
Na Luo, Ping Han, Shifang Wang, Dong Wang & Chunjiang Zhao
Pages: 1732-1756
Published online: 18 Feb 2019
AbstractforNear-Infrared Spectroscopy Analytical Model Using Ensemble Partial Least Squares Regression | Full Text | References | PDF (3.4 MB) | EPUB
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Electrochemistry

Article
Electrochemical Determination of Lead(II) in Environmental Waters Using a Sulfydryl Modified Covalent Organic Framework by Square Wave Anodic Stripping Voltammetry (SWASV)
Rongyu Wang, Wenhua Ji, Luqi Huang, Lanping Guo & Xiao Wang
Pages: 1757-1770
Published online: 25 Apr 2019
AbstractforElectrochemical Determination of Lead(II) in Environmental Waters Using a Sulfydryl Modified Covalent Organic Framework by Square Wave Anodic Stripping Voltammetry (SWASV) | Full Text | References | PDF (1.7 MB) | EPUB | Supplemental
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Biosensors

Article
Determination of β-Agonists in Porcine Urine by Molecularly Imprinted Polymer Based Chemiluminescence
Ming Xin Xu, Wei Li Zhao, Jing Liu, Tong He, Jing Jie Huang & Jian Ping Wang
Pages: 1771-1787
Published online: 07 Feb 2019
AbstractforDetermination of β-Agonists in Porcine Urine by Molecularly Imprinted Polymer Based Chemiluminescence | Full Text | References | PDF (2.1 MB) | EPUB
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Liquid Chromatography

Article
Determination of Hypericin in Hypericum perforatum (St. John’s Wort) Using Classical C18 and Pentafluorophenyl Stationary Phases: Contribution of Pi–Pi Interactions to High-Performance Liquid Chromatography (HPLC)
Rafael Doležal, Iva Houdková, Huba Kalász, Rudolf Andrýs, Martin Novák, Nadezhda V. Maltsevskaya, Natálie Karásková, Karel Kolář, Eva Novotná, Kamil Kuča & Jana Žďárová Karasová
Pages: 1788-1812
Published online: 27 Feb 2019
AbstractforDetermination of Hypericin in Hypericum perforatum (St. John’s Wort) Using Classical C18 and Pentafluorophenyl Stationary Phases: Contribution of Pi–Pi Interactions to High-Performance Liquid Chromatography (HPLC) | Full Text | References | PDF (2.2 MB) | EPUB
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Food Analysis

Article
Effect of the Chemical Composition of Miso (Japanese Fermented Soybean Paste) Upon the Sensory Evaluation
Shuo Wang, Takehiro Tamura, Nobuyuki Kyouno, Xiaofang Liu, Han Zhang, Yoshinobu Akiyama & Jie Yu Chen
Pages: 1813-1827
Published online: 08 Feb 2019
AbstractforEffect of the Chemical Composition of Miso (Japanese Fermented Soybean Paste) Upon the Sensory Evaluation | Full Text | References | PDF (1.3 MB) | EPUB
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Chromatography

Article
Isolation and Determination of Beta-Carotene in Carrots by Magnetic Chitosan Beta-Cyclodextrin Extraction and High-Performance Liquid Chromatography (HPLC)
Yunliang Dai & Kyung Ho Row
Pages: 1828-1843
Published online: 05 Feb 2019
AbstractforIsolation and Determination of Beta-Carotene in Carrots by Magnetic Chitosan Beta-Cyclodextrin Extraction and High-Performance Liquid Chromatography (HPLC) | Full Text | References | PDF (2 MB) | EPUB | Supplemental
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