All chemicals were used of analytical grade and without further purification. Indigo Carmine (IC, 99%) also called indigotine or acid blue 74 (Scheme 1 ), was purchased from Sigma-Aldrich. Test solutions were made by diluting the stock solution in distilled water. NaOH (0.10 mol/L) and HCl (0.10 mol/L) were used to adjust the pH value of the IC solution. CH4N2O, (NH4)2S2O8, HNO3, sodium thiosulfate Na2S2O3, and iodine solution were purchased from Sigma-Aldrich (Schnelldorf, Germany).
Ch4n2o
Manufactured by Merck Group
Sourced in Germany
CH4N2O is a chemical compound used in various laboratory applications. It is a colorless, crystalline solid with a melting point of approximately 133°C. This compound is commonly used as a reagent or building block in chemical synthesis and research.
Automatically generated - may contain errors
Lab products found in correlation
Indigo carmine, by Merck Group (1 mentions)
Iodine solution, by Merck Group (1 mentions)
Nh4 2s2o8, by Merck Group (1 mentions)
Sodium thiosulfate na2s2o3, by Merck Group (1 mentions)
Cobalt chloride hexahydrate, by Merck Group (1 mentions)
C2h5oh, by Merck Group (1 mentions)
Ch4n2s, by Merck Group (1 mentions)
C12h28o4ti, by Merck Group (1 mentions)
Nitric acid hno3, by Merck Group (1 mentions)
Silver nitrate agno3, by Merck Group (1 mentions)
Zn no3 2 6h2o, by Merck Group (1 mentions)
Fe no3 3 9h2o, by Merck Group (1 mentions)
Potassium chloride (kcl), by Merck Group (1 mentions)
5 protocols using ch4n2o
1
Indigo Carmine Colorimetric Analysis
2
Synthesis of High-Surface-Area SnO2 Catalyst
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High‐surface‐area tin(IV) oxide [Brunauer‐Emmett‐Teller (BET) surface area of ≈230 m2 g−1, cassiterite crystal structure], synthesized by urea (CH4N2O, Sigma‐Aldrich) precipitation methodology, was used as a support to enhance the metal dispersion over SnO2.[51] SnO2 was chosen as the support for its semiconductor properties, as well as its durability under harsh operating conditions (e. g., pH and electric current).[52] An aqueous solution of 0.1 m SnCl4 and 10‐fold excess of urea was refluxed at 90 °C for 15 h in a round‐bottom flask. The precipitate was isolated and washed by centrifugation, dried at 120 °C for 16 h, and calcined at 200 °C for 4 h in air.
3
Cobalt-Phosphate Complex Synthesis
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Cobalt chloride hexahydrate (CoCl2.6H2O), cobalt acetate tetrahydrate [Co(CH3COO)2.4H2O)] and di-sodium hydrogen phosphate (Na2HPO4) anhydrous were purchased from Sigma-Aldrich (San Francisco, USA). Ammonia water (NH4OH 28%) and CH4N2O were purchased from Merck (Darmstadt, Germany). In-house prepared deionized (DI) water was used throughout the experiment.
4
Synthesis of g-C3N4/Ag-TiO2 Nanocomposites
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In this study, Ag-doped TiO2 nanoparticles were prepared using several reagents, including titanium tetra isopropoxide (C12H28O4Ti, 97%, Sigma-Aldrich, St. Louis, MO, USA), silver nitrate (AgNO3, 99%, Merck, Boston, MA, USA), glacial acetic acid (CH3COOH, 99%, Merck), nitric acid (HNO3, 69%, Merck), and absolute ethanol (C2H5OH, Sigma-Aldrich). Moreover, analytical-grade urea (CH4N2O, 99.5%, Merck) and thiourea (CH4N2S, 99%, Merck) were used to synthesize g-C3N4 nanosheets. Fabricated Ag–TiO2 nanoparticles and g-C3N4 nanosheets were used to synthesize heterostructured g-C3N4/Ag–TiO2 nanocomposites. All the chemicals and reagents were used as received without further purification. Distilled water was used in all experiments.
5
Synthesis of Metal-Organic Complexes
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The chemicals used include Zn(NO3)2.6H2O, Fe(NO3)3.9H2O, KCl, CH4N2O (urea), NH2CH2COOH (glycine), and C10H16N2O8 (EDTA), and were purchased from Merck Company. Also, distilled water was used for the experiment.
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