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Ammonium molybdate tetrahydrate nh4 6mo7o24 4h2o

Manufactured by Merck Group
Sourced in United States

Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O) is a chemical compound that serves as a laboratory reagent. It is a crystalline solid with a yellow color. The compound is soluble in water and is commonly used as a source of molybdenum in analytical procedures.

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3 protocols using ammonium molybdate tetrahydrate nh4 6mo7o24 4h2o

1

MoS2 Nanofiltration Membrane Performance

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42.0 mm-long Al2O3 tubular ceramic substrate with 9.0 mm inner and 13.0 mm outer diameters were supplied by Jiexi Lishun Technology Co. Ltd. (Guangdong, China). The average pore size of the Al2O3 tubular substrate was 50.0 nm ± 10 nm. Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O) and thiourea (CH4N2S) were purchased from Sigma Aldrich Co. (USA). In order to test the separation performance of MoS2 nanofiltration membrane, five polar solvents (methanol, ethanol, propanol, acetonitrile and acetone) and one non-polar solvent (n-hexane) were selected. Six different solvents were selected, including five polar solvents (methanol, ethanol, propanol, acetonitrile and acetone) and one non-polar solvent (n-hexane). The solute was drug small molecule acetaminophen. All solvents and solutes were purchased from Beijing Chemical Factory (Beijing, China). The purity of all the solvents were analytical pure and all chemicals were used as received without further purification.
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2

Molybdenum-Promoted Lignin Precursor Synthesis

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Example 5

Molybdenum promoted lignin precursor was prepared using an impregnation method. 100 grams of kraft lignin (provided by Domtar) was first added to 100 mL tetrahydrofuran in a 2000 mL glass beaker, and the lignin-tetrahydrofuran mixture was stirred for 2 hours. 46.4 grams of ammonium molybdate tetrahydrate ((NH4)6Mo7O24.4H2O from Sigma-Aldrich) was added to 100 mL DI water in a 500 mL glass beaker, and the ammonium molybdate solution was stirred for 30 minutes. The ammonium molybdate solution drop-like (˜2 mL/min) was added to lignin-tetrahydrofuran solution. The final mixture was stirred for 2 hours, followed by keeping the mixture at room temperature for 24 h, and then oven-drying it at 110° C. for one day.

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3

Electrochemical Detection of Glucose in Blood

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All the reagents and chemicals used were of analytical grade. Ammonium molybdate tetrahydrate (NH4)6 Mo7O24.4H2O, selenium metal powder (99.9%), hydrazine hydrate (N2H4, 80%), nickel chloride hexahydrate (NiCl2.6H2O), sodium hydroxide (NaOH), sodium oxalate (Na2C2O4) and glucose (C6H12O6)) were purchased from Sigma-Aldrich, Sisco Research Laboratories, Thermo Fisher Scientific and Loba Chemie. These chemicals were used without any further purifications. All solutions were prepared with Mili-Q distilled water (18.2 MΩ cm @ 25 ± 2 °C).
Electrochemical measurements were carried out by using the electrochemical workstation (Model: CHI-760E) from CH Instruments, Austin, TX, USA. Electrochemical studies were performed in a standard electrochemical cell using a three-electrode system with NiO/MoSe2/GCE as the working electrode, Ag/AgCl (3M KCl) as the reference electrode and platinum wire as the counter (auxiliary) electrode. The blood serum samples were received from the SRM Medical College Hospital and Research Centre, Kattankulathur, Tamil Nadu. All the experiments were carried out in accordance with the relevant guidelines and regulations. The SRMIST ethics committee was approved the experiments (Ref. No: 002/HYC/IEC/2018). Informed consents were obtained from the human participants of this study.
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