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20 protocols using bismuth nitrate pentahydrate

1

Colorimetric Assay for Bismuth Detection

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All reagents were of analytical grade and were used without further purification. Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O), ammonium metavanadate (NH4VO3), copper nitrate trihydrate (Cu(NO3)2·3H2O), sodium thiosulfate pentahydrate (Na2S2O3·5H2O) and ethylene glycol (EG) were purchased from Sinopharm Chemical Reagent Co. Ltd. (https://www.sinoreagent.com). Dopamine was purchased from Aladdin Chemical Reagent Co. Ltd. (https://www.aladdin-e.com). Human serum samples were purchased from the People's Hospital of Zhengzhou University, Clinical Bioinformatics Experimental Center.
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2

Synthesis of Chitosan-Based Nanocomposites

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Ferric nitrate nonahydrate (Fe(NO3)3·9H2O AR grade), Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O, AR grade), chitosan ((C6H11NO4)N, BR level), glutaraldehyde (C5H8O2, AR grade, 50% in H2O), potassium dichromate (K2Cr2O7, AR grade), 2-Methoxyethanol (HOCH2CH2OCH3, AR), and ethylene glycol ((CH2OH)2, AR grade) were all bought from Sinopharm Chemical Reagent Co., Ltd. Acetone (C3H6O, AR grade) was purchased from Choron Chemical Co., Ltd. Citric acid (C6H8O7, AR grade) was supplied by Shanghai Macklin Biochemical Technology Co., Ltd. Potassium dichromate (K2Cr2O7, AR grade) and Acetic acid (C2H4O2, AR grade) were produced by Tianjin Fengchuan Chemical Reagent Technologies Co., Ltd. ( Tianjin, China).
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3

Synthesis of Bismuth-Iron Oxide Nanocomposites

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All the chemical reagents used in the experiments, including bismuth nitrate pentahydrate, iron nitrate nonahydrate, potassium bromide, ethylene glycol, sodium hydroxide and ethanol absolute are analytically pure and purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China) without any further purification.
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4

Synthesis of Vanadium-Doped Bismuth Perovskite

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Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O, 99%), ammonium metavanadate (NH4VO3, 99%), nitric acid (HNO3, Sinopharm
Chemical Reagent Co., Ltd.), 2-aminoterephthalic acid (H2ATA, 98%), titanium isopropoxide (TTIP, 95%), methanol (MeOH), and N,N-dimethylformamide (DMF, 99.8%) were
obtained from Shanghai Macklin Biochemical Co., Ltd., and utilized
as received without further treatment.
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5

Bismuth Nanoparticle Synthesis

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All analytical grade chemicals were used without any additional purification. Bismuth nitrate pentahydrate (Bi(NO3)2·5H2O), potassium bromide (KBr), absolute methanol, cetyl trimethyl ammonium bromide (CTAB), rhodamine B (RhB), isopropanol (IPA), benzoquinone (BQ) and triethanolamine (TEOA) were purchased from Sino pharm Chemical Reagents Co., Ltd., China.
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6

Synthesis of Bismuth Nanoparticles

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Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O), sodium borohydride (NaBH4), and N,N-dimethylformamide (DMF) were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Terephthalic acid (H2BDC) and imidazole were purchased from Aladdin Reagent. The stock solutions of HMIs were prepared by dissolving CdCl2 (Tianjin Bo Di Chemical Industry Co., Ltd., Tianjin, China), PbCl2 (Tianjin Bo Di Chemical Industry Co., Ltd., Tianjin, China), and ZnCl2 (Adamas Reagent Co., Ltd., Shanghai, China) in 1% (v/v) nitric acid. The aqueous solutions were prepared with ultrapure water (≥18 MΩ cm−1) from a Millipore system, and a graphene solution of 5 mg mL−1 was prepared using a modified Hummer’s method (graphite oxide powders, 99.95%, Aladdin Co., Dubai, United Arab Emirates) [25 (link)].
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7

Synthesis of Metal-Organic Frameworks

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Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O), zinc nitrate hexahydrate (Zn(NO3)2·6H2O), sodium oleate (C17H33CO2Na ≥ 98%), ammonium vanadate (NH4VO3 ≥ 98%), ammonium hydroxide and nitric acid were all bought from Sinopharm Chemical Reagent Co., Ltd. 2-Methylimidazole (C4H6N2 ≥ 98%) was purchased from Macklin Inc.
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8

Synthesis of Molybdenum-Based Nanomaterials

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Sodium molybdate dihydrate (Na2MoO4·2H2O) was purchased from Tianjin Fengchuan Chemical Reagent Company (Tianjin, China). Sodium nitrate (NaNO3) and sodium tungstate dihydrate (NaWO4·2H2O) were obtained from Tianjin Guangfu FINE Chemical Works (Tianjin, China). Sulfuric acid (H2SO4), hydrochloric acid (HCl), ethanol (C2H6O), hydrogen peroxide (H2O2) weight ratio 30% and potassium permanganate (KMnO4) were provided by Beijing Chemical Works (Beijing, China). Ethylene glycol, thiourea and bismuth nitrate pentahydrate (Bi(NO3)3·5H2O) were supplied by Sinopharm chemical reagent (Shanghai, China). Graphite powder was purchased from Alfa Aesar China (Tianjin, China). All materials were used as received without further purification. Deionized (DI) water used in the preparation was from local sources.
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9

Synthesis and Characterization of Inorganic Compounds

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Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O), potassium bromide (KBr), acetic acid (CH3COOH), silver nitrate (AgNO3), sodium bismuthate (NaBiO3), sodium chloride (NaCl), sodium phosphate (Na3PO4·12H2O), disodium hydrogen phosphate (Na2HPO4·12H2O), potassium dihydrogen phosphate (KH2PO4), and sodium sulphate (Na2SO4) were purchased from Sinopharm Group Co., Ltd. Isopropanol (IPA), disodium ethylenediaminetetraacetic acid (EDTA-2Na), and 1,4-benzoquinone (BQ) were acquired from Aladdin Reagent Co., Ltd.
All chemicals used were analytical grade reagents and were used without further purification.
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10

Bismuth-Based Nanoparticle Synthesis

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Bismuth nitrate pentahydrate (Bi(NO3)3·5H2O, 99%), ethylene glycol,
and other chemicals and reagents were purchased from Sinopharm Chemical
Reagent Co., Ltd. (Shanghai, China, www.sinoreagent.com). The
stock standard solution of Pb2+ was prepared by dissolving
lead nitrate hexahydrate (PbNO3·5H2O, 99%)
in 1% (v/v) nitric acid. NaAc/HAc (pH 5.0) buffer solution was prepared
with 0.1 M NaAc and HAc. All chemicals of analytical reagent grade
could be used for following experiments directly without further purification.
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