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9 protocols using bismuth nitrate

1

Determination of Sulfamethazine, Sulfamethoxazole, and Sulfadiazine

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Ferrous sulfate, bismuth nitrate, sodium borohydride, anhydrous ethanol, citric acid (CA), sodium citrate (NaCA), glacial acetic acid, methanol, acetonitrile, ferric nitrate, sulfamethazine (SM2), sulfamethoxazole (SMX), and sulfadiazine (SD) were supplied by Sinopharm Chemical Reagents Co., Ltd. (Shanghai, China). The 5-dimethyl-1-pyrroline N-oxide (DMPO) was purchased from Aladdin Industrial Company (Shanghai, China). methanol and acetonitrile were HPLC grade, while other chemical reagents were analytical grade. All aqueous solutions were prepared using ultrapure water.
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2

Synthesis of Bismuth-Tungstate Nanocomposites

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All used chemicals are analytic grade reagents without further purification. Bismuth nitrate (Bi(NO3)3·5H2O, AR), sodium tungstate (Na2WO4·2H2O, AR) and sodium bicarbonate (NaHCO3, AR), dimethyl sulfoxide (DMSO, AR) were acquired from Sinopharm Chemical Reagent Co., Ltd. Sodium sulfite (Na2SO3, AR was purchased from Shanghai Macklin Biochemical Co., Ltd. Carban dioxide (CO2, ≥99.995%) was purchased from Soochow Jinhong Co., Ltd. Deuterium oxide (D2O, ≥99.9%) was purchased from Qingdao Asfirst Science and trade Co., Ltd. 13CO2 was bought from Soochow changyou gas Co., Ltd with purity of 99.9%. Deionized water was employed throughout the whole experiments.
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3

Synthesis of Multicomponent Nanostructures

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Bismuth nitrate (Bi(NO3)3·5H2O), sodium molybdat (Na2MoO4·2H2O), cadmium acetate (Cd(CH3CO2)2·2H2O), thiourea (CH4N2S), ethylenediamine (EDA), ethylene glycol (EG), chloroplatinic acid hexahydrate (H2PtCl6·6H2O, AR) were purchased from Sinopharm Chemical Reagent Co. Ltd. All chemicals and reagents were used as received from commercial suppliers without further purification, deionized water was used in all experiments.
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4

Synthesis and Characterization of Bismuth-Based Nanomaterials

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Bismuth nitrate (Bi(NO3)3·5H2O), potassium bromide (KBr), ethylene glycol (EG), natural flake graphite, sodium nitrate (NaNO3), iron(iii) chloride hexahydrate (FeCl3·6H2O), ethylenediamine (EDA), sodium acetate trihydrate (CH3COONa·3H2O), hydrogen peroxide (H2O2), absolute ethyl ethanol, 2,2,6,6-tetramethylpiperidin-1-yloxy (TEMPO), 5,5-dimethyl-1-pyrroline-N-oxide (DMPO), rhodamine B (RhB), methyl blue (MB), methyl orange (MO), acid red (AR), amino black (AB) were purchased from Sinopharm Chemical Reagent Co. Ltd., China. Other reagents used in this study, including concentrated sulfuric acid (H2SO4), potassium permanganate (KMnO4) and concentrate hydrochloric acid (HCl) were obtained from Xinyang Chemical Reagent Co. Ltd., China. All reagents were of analytical grade and used without further purification.
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5

Synthesis of Pt-Bi Nanoalloy Catalysts

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Chloroplatinic acid hexahydrate (H2PtCl6·6H2O, 99.9%), bismuth nitrate (Bi(NO3)3·5H2O, 99.0%), ethylene glycol (EG, 99%), polyvinylpyrrolidone (PVP, K30, 99.9%) were purchased from Sinopharm Chemical Reagent Co., Ltd. (Beijing, China). The borane–ammonia complex (H3N·BH3, 90%), commercial Pt/C (Pt/C, 20 wt%), and Nafion 117 solution (5%) were purchased from Sigma Aldrich (St. Louis, MO, USA). Ultrapure water (18.2 MΩ cm) was used in the experiment.
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6

Remediation of Coal Chemical Wastewater

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Sodium silicate, manganese nitrate, zinc nitrate, copper nitrate, cerium nitrate, and bismuth nitrate were of analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd. Soluble starch (Shanghai, China). Nessle’s reagent, potassium dichromate, silver sulfate, and mercury sulfate were of analytical grade and purchased from Nanjing Chemical Reagent Co., Ltd. (Nanjing, China) Palygorskite was 400 mesh, purchased from Changzhou Dingbang Mineral Products Co., Ltd. (Changzhou, China) Coal chemical wastewater was taken from a coal chemical enterprise in Yunnan and used in the experiment. The water sample was gray-brown, dark in color, and turbid. The water quality was shown in Table 1.
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7

Synthesis of Bismuth-Iron Oxide Nanocomposites

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Bismuth nitrate (Bi(NO3)3·5H2O), iron nitrate (Fe(NO3)3·9H2O), sodium hydroxide (NaOH), concentrated nitric acid (HNO3, 65%) methyl mercaptoacetate anhydrous ethanol and DMF were purchased from Sinopharm Chemical Reagent Corp (Shanghai, China) and used as received. Hydrazine (NH2NH2·H2O) and methyl orange were purchased from Aladdin (Shanghai, China) used as received. Anhydrous ethanol and deionized water were used in all the experiments. All the chemicals used in this study were analytical grade and were used without further purifications.
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8

Synthesis of Bismuth-Doped Silicate Glass

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Tetraethyl orthosilicate (TEOS, 98%), triethylphosphate (TEP, 99%), ethanol, calcium nitrate (Ca(NO3)24H2O, 99%), sodium borohydride, and bismuth nitrate were purchased from Sinopharm Chemical Reagent (China). Polyvinyl alcohol (PVA, Mn = 70–90 k) was purchased from Sigma-Aldrich. All chemicals were used without further purification.
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9

Synthesis of Bismuth Nanomaterials

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Melamine, ethanol, bismuth nitrate
(Bi(NO3)3·5H2O), cetyltrimethyl
ammonium bromide (CTAB), carbamide, and glycerinum were all from Sinopharm
Chemical Reagent Co., Ltd. (China). The reagents were all of analytical
grade and utilized without further handling. Deionized water (H2O) after being Millipore system-purified was used throughout
all experiments.
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