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6 protocols using sodium molybdate dehydrate

1

Synthesis of Bismuth Molybdate Nanoparticles

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Bismuth(III) nitrate pentahydrate
[Bi(NO3)3·5H2O], sodium molybdate
dehydrate (Na2MoO4·2H2O), sodium
hydroxide (NaOH), and triethanolamine (TEA) were obtained from Sigma-Aldrich.
Concentrated nitric acid (HNO3) was obtained from Junsei
Chemical. All chemicals were of analytical grade and were used without
any further purification.
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2

Synthesis of Nanocomposite Materials

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Iron acetylacetonate, oleic acid, oleyl amine, ammonia (28 wt % in water), hydrogen peroxide (30 wt % in water), sodium chloride, sodium molybdate dehydrate, thiourea, ferrous chloride, cobalt acetate, ethylene glycol, zinc acetate, lanthanum oxide, cobalt nitrate, tetraethyl orthosilicate, sodium hydroxide, oxalic acid, strontium carbonate, cobalt oxalates, bismuth nitrate pentahydrate, diboron trioxide, 1-butyl-3-methlyimidazolium hexafluorophosphate (BmimPF6), silver nitrate, stannous chloride, sulfur powder, ethylenediaminetetraacetic acid disodium, copper nitrate, hexadecyltrimethylammonium bromide, formaldehyde, mercury oxide, mercury, cyclohexane, isopropanol, iron pentacarbonyl, 1,3-dimethylimidazoline-2-selenone, hydrochloric acid (38 wt % in water), tellurium power, selenium powder, potassium hydroxide, sulfuric acid and sulfide powder were purchased from Sigma-Aldrich. Raw graphene and multiwall carbon nanotubes were obtained from XF-NANO Tech. Co. All chemical reagents are analytical pure reagents and were used without further purification. Polydimethylsiloxane (PDMS) film was purchased from Shanghai Muke Technol. Co. Deionized water used in all the experiments was purified using a Simplicity C9210 Milli-Q water purification system.
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3

Synthesis of Metal Chalcogenide Catalysts

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Zinc acetate dehydrate (Zn(CH3COO)2·2H2O, ≥98%), sodium molybdate dehydrate (Na2MoO4·2H2O, ≥99%) and hydrazine hydrate (N2H4·H2O, 99.99%) solution were obtained from Sigma-Aldrich. Indium chloride (InCl3, 99.995%), L(+) lactic acid (90%) and selenium (99.5+%) were obtained from ACROS Organics. Thioacetamide (C2H5NS, >98%) was obtained from TCI. All of the reagents were used as received without further purification. The DI water used in the catalyst preparation was from local sources.
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4

Synthesis of Bi2MoO6 and GO Preparation

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Bismuth(III) nitrate pentahydrate
[Bi(NO3)3·5H2O, 98%], sodium
molybdate dehydrate (Na2MoO4·2H2O, 99%), and ethylene glycol (99%) were purchased from Sigma-Aldrich
and were used together with ethanol (99%) obtained from Minema Chemicals
(Johannesburg) for the synthesis of Bi2MoO6.
GO was synthesized using H2O2, HCl, H2SO4/H3PO4, KMnO4, and
graphite powder. The naphthalene flakes used to prepare PAH-contaminated
water were purchased from Associated Chemical Enterprises, Johannesburg.
Deionized water was used in all the experiments. All chemicals were
analytically pure and were used with no further purification.
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5

Synthesis of Multifunctional Nanomaterials

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Iron acetylacetonate, oleic acid, oleyl amine, ammonia (28 wt %), hydrogen peroxide (30 wt %), sodium molybdate dehydrate, thiourea, ferrous chloride, cobalt acetate, ethylene glycol, zinc acetate, lanthanum oxide, cobalt nitrate, tetraethyl orthosilicate, sodium hydroxide, oxalic acid, strontium carbonate, cobalt oxalates, bismuth nitrate pentahydrate, tellurium powder, 1-butyl-3-methylimidazolium bromide, silver nitrate, stannous chloride, sulfur powder, ethylenediaminetetraacetic acid disodium, copper nitrate, hexadecyltrimethylammonium bromide, formaldehyde, cyclohexane, isopropanol, iron pentacarbonyl, 1,3-dimethylimidazoline-2-selenone, hydrochloric acid (38 wt %), and parylene-c monomer were bought from Sigma-Aldrich. Raw graphene and multiwall carbon nanotubes were obtained from XF-NANO tech. Co. All chemical reagents are analytical pure reagents and were used without further purification. Polydimethylsiloxane film was bought from Shanghai Muke Technol. Co. Water used in all the experiments was purified using a Milli-Q water purification system (Simplicity C9210).
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6

Chemical Reagents for HPLC Analysis

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Methanol and water for HPLC analysis (respectively purity ≥ 99.9% and non-volatile matter ≤ 0.0003%), clorophorm (purity > 99%), acetic acid (purity ≥ 99.7%), ethanol (purity ≥ 99.9%), isooctane for spectrophotometry (purity ≥ 99.9%), diethyl ether (purity > 99%), sodium thiosulfate (purity ≥ 98%), potassium iodide (purity ≥ 99%), Folin-Ciocalteu reagent, sodium carbonate anhydrous (purity ≥ 99.9%), sodium molybdate dehydrate (purity ≥ 99 %), potassium hydroxide (purity ≥ 98 %), phenolphthalein solution 2% in ethanol were all purchased from Sigma-Aldrich (St. Louis, MO, USA).
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