1. Determination of Platinum Group Elements in Geological Samples by Inductively Coupled Plasma Mass Spectrometry: Possibilities and Limitations

   • O. N. Grebneva-Balyuk
   • I. V. Kubrakova

   REVIEWS 31 March 2020 Pages: 275 - 285

2. Increasing Sensitivity of the Luminescence Determination of Lanthanides Using Their Complexes

   • S. B. Meshkova
   • P. G. Doga

   REVIEWS 31 March 2020 Pages: 286 - 303

   

3. Optimization of the Operation Parameters of an Inductively Coupled Plasma Atomic Emission Spectrometer in the Determination of Arsenic and Antimony Concentrations

   • A. V. Maiorova
   • A. A. Belozerova
   • K. Yu. Shunyaev

   ARTICLES 31 March 2020 Pages: 304 - 311

   

4. Use of Carbon Materials of Different Nature in Determining Metal Concentrations in Carbon Nanotubes by X-Ray Fluorescence Spectrometry

   • A. A. Zhdanov
   • M. A. Kazakova

   ARTICLES 31 March 2020 Pages: 312 - 319

   

5. Main Factors Affecting the Photographic Determination of the Turbidity and Chromaticity of Water

   • V. I. Golovanov

   ARTICLES 31 March 2020 Pages: 320 - 329

   

6. Spectrophotometric Determination of Copper(II) in Water based on Fluorescein Diacetate

   • Haishuang Jia
   • Wenfang Liu
   • Youtao Song

   ARTICLES 31 March 2020 Pages: 330 - 342

   

7. Determination of XLR-11 Metabolites in Urine by Ultrahigh-performance Liquid Chromatography-tandem Mass Spectrometry

   • Aykut Kul
   • Aysen Kurt Cucu
   • Sarfraz Ahmad

   ARTICLES 31 March 2020 Pages: 343 - 348

   

8. Development and Optimization of Stereoselective Liquid Chromatographic Method for Chiral Separation of (±)-cetirizine and Enantiopurity Assessment of R-levocetirizine

   • Valliappan Kannappan
   • Selvakumar Kanthiah

   ARTICLES 31 March 2020 Pages: 349 - 357

   

9. Enhancement Effect of Cetyltrimethylammonium Bromide on Electrochemical Determination of Chlorophenols using a Carbon Paste Electrode

   • Arsim Maloku
   • Liridon Berisha
   • Kurt Kalcher

   ARTICLES 31 March 2020 Pages: 358 - 365

   

10. Highly Sensitive Detection of Dopamine, Ascorbic and Uric Acids using Dianix Yellow/Multi-walled Carbon Nanotubes Modified Electrode

    • Abdolhamid Hatefi-Mehrjardi
    • Mohammad Ali Karimi
    • Azam Barani

    ARTICLES 31 March 2020 Pages: 366 - 377

    

11. Determination of the Antioxidant Capacity of Pharmaceuticals by Potentiometry: Indicators of Measurement Accuracy

    • A. V. Ivanova
    • E. L. Gerasimova
    • M. P. Krasheninina

    ARTICLES 31 March 2020 Pages: 378 - 383

    

12. Validated Potentiometric Sensors for Determination of Ramipril in Pharmaceuticals and Biological Fluids using in situ Screen Printed and Carbon Paste Electrodes

    • Eman Yossri Frag
    • Marwa E. Mohamed
    • Mohamed O. Elhassan

    ARTICLES 31 March 2020 Pages: 384 - 395

    

13. Quantitative Determination of the Main Substance of the Triazid^® Antiviral Drug by Voltammetry

    • N. A. Malakhova
    • A. V. Ivoilova
    • A. N. Kozitsina

    ARTICLES 31 March 2020 Pages: 396 - 401

    

14. Amlodipine-gold Nanoparticles as a New “Turn off-on’’ Sensor for the Sensitive Determination of Methimazole

    • Jafar Abolhasani
    • Azam Samadi
    • Masoumeh Haji Vahabzadeh

    ARTICLES 31 March 2020 Pages: 402 - 408

    

15. Determination of the Trace Element Composition of Human Nails

    • S. S. Savinov
    • R. M. Sharypova
    • A. I. Drobyshev

    ARTICLES 31 March 2020 Pages: 409 - 415

    

16. Syringe Pump Created using 3D Printing Technology and Arduino Platform

    • A. S. Samokhin

    ANALYTICAL INSTRUMENTS 31 March 2020 Pages: 416 - 421