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10 protocols using ammonium molybdate tetrahydrate

1

Synthesis and Characterization of Nanomaterials

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Chloroauric acid tetrahydrate (HAuCl4·4H2O, AR), ascorbic acid (AA, AR), dimethyl sulfoxide (DMSO, AR), and ammonium molybdate tetrahydrate (AMTH, AR) were purchased from Sinopharm Chemical Co., Ltd. (Shanghai, China). 5,5-dimethyl-1-pyrroline n-oxide (DMPO, 97%) was obtained from Shanghai Aladdin Biochemical Technology Co., Ltd. (Shanghai, China). Methylene blue (MB, BS) was derived from Shanghai Yuanye Bio-Technology Co., Ltd. (Shanghai, China). Thiourea (99%) was obtained from Alfa Aesar (Haverhill, MA, USA). Hydrogen peroxide (H2O2) (30%, aqueous solution, AR) was obtained from Shanghai Lingfeng Chemical Reagent Co., Ltd. (Shanghai, China). All the water used was Milli-Q water (≥18.2 MΩ·cm).
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2

Thiourea-Assisted Synthesis of Tin Molybdate

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Thiourea (CH4N2S) was purchased from Shanghai Ling Feng Chemical Reagent Co. (Shanghai, China). Tin chloride pentahydrate (SnCl4·5H2O, 99%) was supplied by Shanghai Test Four Hervey Chemical Co. (Shanghai, China). Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O, 99%) was purchased from Sinopharm Chemical Reagent Co. (Shanghai, China). Hydrochloric acid (HCl) was supplied by Yonghua Chemical Co. (Changshu, China). Methylene blue (MB) was supplied by Tianjin Chemical Reagent Research Co. (Tianjin, China). Except for hydrochloric acid, which is superiorly pure, the rest of the chemical reagents are of analytical grade and were used without further purification.
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3

Synthesis of Pd/MoO3 Hybrid Nanocatalyst

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Tetraethoxysilane (TEOS, Tianjin Damao Chemical Reagent Factory, AR), palladium nitrate (Pd(NO3)2·2H2O, Sinopharm Chemical Reagent Co. Ltd., AR), Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O, AR), cetyltrimethylammonium bromide (CTAB, Sinopharm Chemical Reagent Co. Ltd., AR), sodium hydroxide (NaOH, Tianjin Kemiou Chemical Reagent Co. Ltd., GR), absolute ethyl alcohol (Liaoning Quanrui Reagent Co. Ltd., AR), n-heptane (Shenyang East China Reagent Factory, AR), deionized water (Heilongjiang Bayi Agricultural University), and hydrogen (Daqing Xuelong Gas Station, volume fraction 99.99%).
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4

Corn Stover Pretreatment and Characterization

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Corn stover was collected from Mengcheng City, Anhui Province of China. After being washed and dried at 60 °C for 48 h, the stock was cut and milled. The corn stover fragments sieved through a 30-mesh screen were collected and sealed for later use after being dried in an oven at 105 °C for 6 h. Hydrochloric acid (36–38%), sulfuric acid (95–98%), methanol, water-free ethanol, acetone, ammonium molybdate tetrahydrate, and thiourea were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Methyl sulfoxide-d6 (99.9%) for NMR characterization was purchased from Aladdin (Shanghai, China). All chemicals were used without further purification.
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5

Synthesis of Imidazole-based Coordination Polymers

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2-Methylimidazole (C4H6N2), zinc nitrate hexahydrate (Zn(NO3)2·6H2O), triethylamine (C6H15N), lanthanum nitrate (La(NO3)3), sodium hydroxide (NaOH), sulfuric acid (H2SO4), potassium dihydrogen phosphate (KH2PO4), ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O), potassium antimony tartrate (C8H4K2O12Sb2), and ascorbic acid (C6H8O6) were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). All chemical reagents were of analytical grade and were used without further purification.
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6

Synthesis of 4-Nitrostyrene Nanocomposites

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Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O, AHM), aniline, thiourea and hydrochloric acid (HCl, AR) were purchased from Sinopharm Chemical Reagent Co. Ltd (Shanghai, China). 4-Nitrostyrene and Nafion solution (5 wt% in lower aliphatic alcohols and water) were purchased from Sigma-Aldrich. All chemicals were of analytical grade and used as received without further purification. All aqueous solutions were prepared using ultrapure water (>18.2 MΩ).
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7

Synthesis of Molybdenum Carbide Nanoparticles

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Commercial Mo2C (CAS No.: 12069-89-5, 99.95%) was purchased from Maclin Biochemical Co., Ltd., Shanghai, China. Gelatin (CAS No.: 9000-70-8, 99%) was obtained from Macklin Biochemical Co., Ltd., Shanghai, China. Ammonium molybdate tetrahydrate (CAS No.: 12054-85-2, AHM, >99%) was purchased from Sinopharm Chemical Reagent Co., Ltd., Shanghai, China. All chemicals were used without further purification. Deionized water (resistivity of 18.2 MΩ•cm) was used to prepare the solutions in all the experiments.
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8

Fabrication of Silica-Based Composites

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Tetraethyl orthosilicate ((C2H5O)4Si, TEOS), triethyl phosphate ((C2H5O)3PO, TEP), calcium nitrate tetrahydrate (Ca(NO3)2•4H2O) and Ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O) were purchased from Sinopharm Chemical Reagent Co., Ltd. (China). Ammonium molybdate ((NH4)2MoO4) was purchased from Macklin biochemical technology Co., Ltd. (China). Pluronic F-127 was purchased from Sigma-Aldrich (USA).
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9

Synthesis of Metal-Organic Complexes

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Urea (>99%), oxalic acid dehydrate (≥99.5%), ammonium molybdate tetrahydrate ((𝑁𝐻 4 ) 6 , >99%), thioUrea (> 99%) and metal nitrate (Cd(II), Zn(II), Mg(II), Ca(II), > 99%) were 𝑀𝑜 7 𝑂 24 •4𝐻 2 𝑂 purchased from Sinopharm Chemical Regent Co. Ltd. N, N-Dimethylformamide (DMF, > 99.8%) was obtained from J&K Chemical Reagent Co., Ltd. Deionized water was used in all experiments.
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10

Lotus Leaf Synthesis with Thiourea

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Lotus leaf were purchased from Yangqingtang (Jiangsu, China). Thiourea (NH2CSNH2) and ammonium molybdate tetrahydrate [(NH4)6Mo7O24·4H2O] were both obtained from Sinopharm Chemical Reagent Co., Ltd., Beijing, China. All chemical reagents are of analytical grade and used were used as received without further purification. Deionized water obtained from a Milli-Q system was used all the time.
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