Mercury 2 nitrate

Manufactured by Merck Group

Sourced in Germany, United States, United Kingdom

Mercury(II) nitrate is a chemical compound with the formula Hg(NO3)2. It is a crystalline salt that is soluble in water and other polar solvents. Mercury(II) nitrate is used as a reagent in analytical chemistry and various laboratory applications.

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3 protocols using mercury 2 nitrate

Trace Metal Analysis of Food Samples

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All chemicals used in the present study were of the analytical grade. Quinine hemisulfate salt, ethylenediaminetetra Acetic acid, mercury(ii) nitrate, lead(ii) nitrate, cobalt(ii) nitrate hexahydrate, zinc(ii) nitrate hexahydrate, copper(ii) nitrate trihydrate, and cadmium(ii) nitrate tetrahydrate were purchased from Sigma-Aldrich, Germany. Sodium phosphate monobasic, disodium phosphate, sodium acetate, sodium chloride, calcium(ii) nitrate tetrahydrate, iron(iii) chloride hexahydrate, and iron(ii) sulfate were obtained from QReC™, New Zealand. Aluminium(iii) chloride, manganese(ii) sulfate monohydrate, nickel(ii) chloride, silver(i) chloride, and magnesium chloride were procured from Carlo Erba, Italy. Chromium(iii) nitrate and potassium dichromate were purchased from Acros Organics™, USA. Acetic acid was supplied by Merck, Germany. Hydrogen peroxide was purchased from Ajax Finechem, Australia. All food samples and shallot were obtained from the local market of Thailand.

Sakaew C., Sricharoen P., Limchoowong N., Nuengmatcha P., Kukusamude C., Kongsri S, & Chanthai S. (2020). Green and facile synthesis of water-soluble carbon dots from ethanolic shallot extract for chromium ion sensing in milk, fruit juices, and wastewater samples. RSC Advances, 10(35), 20638-20645.

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Spectrometric analysis of heavy metals

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All chemicals including lead(II) nitrate, cadmium(II) sulphate, mercury(II) nitrate, atomic absorption spectrometric standard of metals (Ni(II), Zn(II), Cu(II), As(III), Hg(I), Se(II), and Fe(II)), and nitric acid (HNO₃, ultraclean) were purchased from Sigma-Aldrich (Sigma-Aldrich, St. Louis, MO, USA) unless noted otherwise. Stock solutions were prepared in ACS-purity water immediately prior to use.

Nejdl L., Kynicky J., Brtnicky M., Vaculovicova M, & Adam V. (2017). Amalgam Electrode-Based Electrochemical Detector for On-Site Direct Determination of Cadmium(II) and Lead(II) from Soils. Sensors (Basel, Switzerland), 17(8), 1835.

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Tannic Acid-Capped Gold Nanoparticles for Trace Metal Analysis

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The tannic acid-capped gold nanoparticles (AuNPs@TA, 2.2 x 10 10 particles mL -1 ) colloid, with a hydrodynamic diameter of 68.4 nm as indicated by the manufacturer, were used as received (NanoComposix Inc., San Diego, US). The main ingredients of the supplied suspension are Au (0.005 % mass), tannic acid (<0.001 % mass) and water (>99 % mass). The manufacturer declares 26 that "no residual reactants" are present in the final formulation. Zinc nitrate hexahydrate (Zn(NO 3 ) 2 .6H 2 O ≥98%, Sigma-Aldrich, Gillingham, UK) and mercury(II) nitrate (Hg(NO 3 ) 2 0.05 M, Sigma-Aldrich, Steinheim, Germany) were used as Zn 2+ and Hg 2+ sources, respectively; and were prepared in 0.1 M KCl + 0.1 M HCl solutions 15, 16 . All solutions were prepared using nanopure water with a resistivity of not less than 18.2 MΩ cm at 298K (Millipore, US) and degassed thoroughly with high purity nitrogen flow (BOC Gases plc, UK) before use.

Suherman AL ., Zampardi G ., Amin HMA ., Young NP , & Compton RG . (2019). Tannic acid capped gold nanoparticles: capping agent chemistry controls the redox activity. Physical chemistry chemical physics : PCCP, 21(8).

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