Sulfuric acid h2so4

Manufactured by Thermo Fisher Scientific

Sourced in United States, United Kingdom

Sulfuric acid (H2SO4) is a colorless, dense, and highly corrosive liquid chemical compound. It is a strong mineral acid that is commonly used in various industrial and laboratory applications.

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Lab products found in correlation

Sodium hydroxide (naoh), by Thermo Fisher Scientific (7 mentions) Hydrochloric acid (hcl), by Thermo Fisher Scientific (4 mentions) Potassium phosphate monobasic kh2po4, by Thermo Fisher Scientific (3 mentions) Dimethylformamide dmf, by Avantor (3 mentions) Acetonitrile, by Thermo Fisher Scientific (3 mentions) Dimethyl sulfoxide (dmso), by Merck Group (2 mentions) Ammonium sulfate nh4 2so4, by Merck Group (2 mentions) Poly diallyldimethylammonium chloride pdda, by Merck Group (2 mentions) Potassium chloride (kcl), by Avantor (2 mentions) Silver silver chloride reference electrode ag agcl, by CH Instruments (2 mentions) Graphite rod counter electrode, by CH Instruments (2 mentions) Glassy carbon gc, by CH Instruments (2 mentions) Hydrochloric acid (hcl), by Avantor (2 mentions) Potassium chloride (kcl), by Merck Group (2 mentions) Agarose, by Thermo Fisher Scientific (2 mentions) Bovine serum albumin (bsa), by Merck Group (2 mentions) Pyridine, by Thermo Fisher Scientific (2 mentions) Sodium citrate tribasic dihydrate, by Merck Group (1 mentions) Easypure 2, by Thermo Fisher Scientific (1 mentions) Gold 3 chloride trihydrate, by Merck Group (1 mentions)

29 protocols using sulfuric acid h2so4

Fabrication of Gold Nanoparticle-Functionalized Slides

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All the chemicals used in this article were of analytical grade. Gold(iii) chloride trihydrate (HAuCl₄·3H₂O, 99.9%), sodium citrate tribasic dihydrate (HOC(COONa)(CH₂COONa)₂·2H₂O, 99.0%), and (3-aminopropyl)trimethoxysilane (H₂N(CH₂)₃Si(OCH₃)₃, APTMS, 97%) were provided by Sigma-Aldrich Co., Ltd (USA). Sodium hydroxide (NaOH, 96%) was provided by Guangdong Guanghua Sci-Tech Co., Ltd (China). Deionized water (DI, resistivity: 18 MΩ cm, Thermo Scientific Easypure II, Göteborg, Sweden) was synthesized in the Center for Innovative Materials and Architectures (INOMAR), Vietnam National University, Ho Chi Minh City (VNUHCM). Hydrogen peroxide (H₂O₂, 30%) was obtained from Merck KGaA (Germany). Sulfuric acid (H₂SO₄, 96%) was acquired from Acros Organics (USA). Ethanol (C₂H₅OH, EtOH, 99.8%) and methanol (CH₃OH, 99.8%) were procured from Fisher Ltd (UK). Microscope glass slides (soda-lime glass, chemical composition: SiO₂ = 75 ± 5 wt%; Na₂O = 15 ± 2 wt%; CaO + MgO = 10 ± 2 wt%) were purchased from ISOLAB Laborgeräte GmbH, Eschau, Germany.

Do P.Q., Huong V.T., Phuong N.T., Nguyen T.H., Ta H.K., Ju H., Phan T.B., Phung V.D., Trinh K.T, & Tran N.H. (2020). The highly sensitive determination of serotonin by using gold nanoparticles (Au NPs) with a localized surface plasmon resonance (LSPR) absorption wavelength in the visible region. RSC Advances, 10(51), 30858-30869.

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Quantification of Organic Pollutants in Water

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Metaldehyde (99+% purity) was obtained from Acros. Carbetamide and mecoprop (99+% purity) were obtained from Sigma Aldrich. Purelab Option-S7/15 system (Elga process water, Buckinghamshire, UK) supplied the ultra-pure water.
Sodium hypochlorite (NaClO) 13%, and methanol (HPLC grade) and ammonium formate (99+% purity) used for the mobile phases were provided by Fisher Scientific. Samples were quenched using sodium thiosulfate (Na2S2O3, 99% purity) also provided by Fisher Scientific. For THM determination, potassium dihydrogenphosphate (KH2PO4) and disodium hydrogenphosphate (Na2HPO4) were obtained from Acros. Sodium sulphite (Na2SO3, 99+% purity) and sodium sulphate (Na2SO4, 99+% purity) were provided by Fisher Scientific. 1,2,3 trichloropropane, 1,4 bromofluorobenzene, THM calibration mix (EPA 501/601 chloroform, bromodichloromethane chlorodibromomethane and bromoform, compound at 2.0 mg/mL in methanol), HAA calibration mix (EPA 552.2 monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, chlorobromo acetic acid, dichlorobromo acetic acid, chlorodibromo acetic acid, monobromo acetic acid, dibromo acetic acid and tribromo acetic acid each compound at 2.0 mg/mL concentration in methyl tert-butyl ether) and methyl tert-butyl ether (HPLC grade) were obtained from Sigma Aldrich. Sulfuric acid (H2SO4) and sodium hydroxide (NaOH, laboratory grade) were obtained from Acros.

Carra I., Fernandez Lozano J., Autin O., Bolton J.R, & Jarvis P. (2020). Disinfection by-product formation during UV/Chlorine treatment of pesticides in a novel UV-LED reactor at 285 nm and the mitigation impact of GAC treatment. The Science of the total environment, 712.

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Synthesis of Lead Halide Perovskite Nanocrystals

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Cesium carbonate (Cs₂CO₃), 1-octadecene (ODE, C₁₈H₃₆), oleylamine (OAm, C₁₈H₃₇N), hexadecyltrimethylammonium
bromide (CTAB, C₁₉H₄₂BrN), and sulfuric acid
(H₂SO₄) were obtained from Acros Organics. Lead(II)
bromide (PbBr₂) was acquired from Fisher Scientific company.
Oleic acid (OA, C₁₈H₃₄O₂) and hexane
(C₆H₁₄) were purchased from Sigma Aldrich. Quinine
anhydrous (C₂₀H₂₄N₂O₂)
was acquired from Fluka Analytical.
All chemicals were used
as received without further purification.

Tawil C.A., Kurdi R.E, & Patra D. (2022). Cesium Lead Bromide Perovskites: Synthesis, Stability, and Photoluminescence Quantum Yield Enhancement by Hexadecyltrimethylammonium Bromide Doping. ACS Omega, 7(24), 20872-20880.

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Enoxacin Degradation via Electro-Fenton

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Enoxacin (1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-1,8-naphthyridine-3carboxylic acid) was generously provided by the LNCM (Laboratoire National de Contrôle des Médicaments -Tunis, Tunisia) (structure displayed in Fig. 1). FeSO 4 •7H 2 O (purity 99%) and Na 2 SO 4 (purity 99%) were used as catalyst and a supporting electrolyte respectively and were purchased from Acros Organics (Thermo Fisher Scientific, Illkirch, France). Acetonitrile (purity 99.9%) (HPLC grade) was obtained from Sigma-Aldrich (Saint Quentin Fallavier, France). The initial pH of the solutions was adjusted to 3, the optimal pH value for the electro-Fenton process (Diagne et al., 2007) , by adding analytical grade sulfuric acid H 2 SO 4 purchased from Acros Organics. All solutions were prepared with ultrapure water and all the other chemicals used for analysis were supplied from Acros Organics and Sigma Aldrich.

Annabi C., Fourcade F., Soutrel I., Geneste F., Floner D., Bellakhal N, & Amrane A. (2016). Degradation of enoxacin antibiotic by the electro-Fenton process: Optimization, biodegradability improvement and degradation mechanism. Journal of environmental management, 165.

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Extraction and Analysis of Ipomoea aquatica

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Methanol (MeOH) (HPLC grade), acetonitrile (ACN) (HPLC grade), glacial acetic acid (AA) (100 %), dimethyl sulfoxide (DMSO), and anisaldehyde were purchased from Merck (Darmstadt, Germany); trifluoroacetic acid (TFA) (≥98%), diethylamine (DEA) (≥99.5%) and methanol-d4 (99.8% D) from Sigma-Aldrich (St. Louis, MO, USA); MeOH AnalaR NORMAPUR ® (analytical reagent) from VWR (Fontenay-sous-Bois, France), n-hexane from SDFCL (Maharashtra, India), dichloromethane (DCM) (99.5%) from BDH (Leicestershire, UK), and ethyl acetate (EA) (99.9%) from ROMIL (Cambridge, UK); sulfuric acid (H2SO4) (96% solution in water) was obtained from Acros Organics (New Jersey, USA) and ultrapure water was produced by an Arium pro ultrapure water system (Sartorius, Gottingen, Germany). The fresh plants of Ipomoea aquatica (aerial parts) were collected in Darfur, West Sudan in March 2010. A voucher specimen was deposited in the Herbarium of the Botany Department, Faculty of Science, University of Khartoum, Sudan.

Hefny Gad M., Tuenter E., El-Sawi N., Younes S., El-Ghadban E.M., Demeyer K., Pieters L., Vander Heyden Y, & Mangelings D. (2018). Identification of some Bioactive Metabolites in a Fractionated Methanol Extract from Ipomoea aquatica (Aerial Parts) through TLC, HPLC, UPLC-ESI-QTOF-MS and LC-SPE-NMR Fingerprints Analyses. Phytochemical analysis : PCA, 29(1).

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Synthesis of Hybrid Electrochemical Catalysts

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All chemicals were used as received without further purification: potassium permanganate (KMnO₄, QReC), ammonium sulfate ((NH₄)₂SO₄, Sigma-Aldrich), urea (Ajax Finechem), choline chloride (Sigma-Aldrich), zinc chloride (ZnCl₂, Ajax Finechem), zinc sulfate (ZnSO₄, Ajax Finechem), carbon cloth (AvCarb 1071 HCB, AvCarb Material Solutions), deionized water, isopropyl alcohol (IPA, Ajax Finechem) and nickel foam (99.97%, 100 pores per inch (PPI) and 1 mm thick, Qijing Trading Co., Ltd.), sulfuric acid (H₂SO₄, Ajax Finechem).

Corpuz R.D., De Juan L.M., Praserthdam S., Pornprasertsuk R., Yonezawa T., Nguyen M.T, & Kheawhom S. (2019). Annealing induced a well-ordered single crystal δ-MnO2 and its electrochemical performance in zinc-ion battery. Scientific Reports, 9, 15107.

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Electrochemical Synthesis of Zinc Compounds

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All chemicals were used as received without further purification: potassium permanganate (KMnO₄), QRëC, Auckland, New Zealand; ammonium sulfate ((NH₄)₂SO₄), Sigma-Aldrich, St. Louis, MO, USA; carbon cloth (AvCarb 1071 HCB), AvCarb Material Solutions, Lowell, MA, USA; deionized (DI) water; isopropyl alcohol (IPA), Ajax Finechem, Auckland, New Zealand; sulfuric acid (H₂SO₄), Ajax Finechem, Auckland, New Zealand; zinc trifluoromethanesulfonate (Zn(OTf)₂), Sigma-Aldrich, St. Louis, MO, USA; and Dimethyl sulfoxide (DMSO), Sigma-Aldrich, St. Louis, MO, USA.

Corpuz R.D., De Juan-Corpuz L.M., Nguyen M.T., Yonezawa T., Wu H.L., Somwangthanaroj A, & Kheawhom S. (2020). Binder-Free α-MnO2 Nanowires on Carbon Cloth as Cathode Material for Zinc-Ion Batteries. International Journal of Molecular Sciences, 21(9), 3113.

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Electrochemical Characterization of RTIL

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The RTIL 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([C 2 mim][NTf 2 ]) was purchased from Merck (Kilsyth, Vic, Australia) at ultra-high purity electrochemical grade, and used as received. Poly(methyl methacrylate) (PMMA, average MW ca. 15 000, Sigma-Aldrich Pty Ltd, NSW, Australia), tetra-N-butylammonium perchlorate (TBAP, >99.0%, Sigma-Aldrich) and ferrocene (Fc, 98%, Sigma-Aldrich) were also used as received. Acetone (≥99.9%, Sigma-Aldrich), acetonitrile (MeCN, 99.8%, Sigma-Aldrich), ethanol (EtOH, Sigma-Aldrich, 99%), and ultrapure water (with a resistivity of 18.5 MΩ cm prepared by a Milli-Q laboratory water purification system (Millipore Pty Ltd, North Ryde, NSW, Australia) were used for rinsing the microdisk electrode after polishing. Highpurity oxygen gas (O 2 , >99.5%) and high-purity nitrogen gas (N 2 , 99.99%) were purchased from BOC gases (North Ryde, NSW, Australia). Aqueous solutions of 0.5 M sulfuric acid (H 2 SO 4 , 95-98 wt%, Ajax Finechem, WA, Australia) for activating electrodes were prepared in ultrapure water.

Lee J, & Silvester D.S. (2016). Low-cost microarray thin-film electrodes with ionic liquid gel-polymer electrolytes for miniaturised oxygen sensing. The Analyst, 141(12).

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Carbon Nanotube Electrochemical Characterization

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All solutions were prepared with distilled/deionized water (18 MΩ resistivity, Darmstadt, Germany). Carbon nanotubes were obtained from Material Science & Nanotechnology Laboratory (IVIC, Caracas, Venezuela). Nitric acid (HNO₃, 69.2 wt.%) and hydrogen peroxide (H₂O₂, 30%V/V) were purchased from Sigma-Aldrich Sigma, (Darmstadt, Germany). Potassium phosphate monobasic (KH₂PO₄) and sodium hydroxide (NaOH, 99.9% p/p) were purchased from Fisher Scientific (Waltham, MA, USA). Phosphate-buffered saline (PBS, 20 mmol·L⁻¹ KH₂PO₄ + 20 mmol·L⁻¹ K₂HPO₄ + 0.1 mol·L⁻¹ KCl, pH 6.8) was used as a supporting electrolyte. Potassium ferricyanide (K₃[Fe(CN)₆]), iron trichloride hexahydrated (FeCl₃·6H₂O), and potassium chloride (KCl) were from BDH Chemicals (Philadelphia, PA, USA), hydrochloric acid (HCl, 37%) was from Fisher Scientific (Waltham, MA, USA), glassy carbon (GC, diameter (

Φ = 3 mm

), geometric area = 0.0706 cm²), silver/silver chloride reference electrode (Ag/AgCl), and graphite rod counter-electrode were from CH-Instruments (Austin, TX, USA), sulfuric acid (H₂SO₄, 98%) was from Fisher Scientific (Waltham, MA, USA), and 1 µm, 0.3 µm, and 0.05 µm alumina powder were from CH-Instruments (Austin, TX, USA), dimethylformamide (DMF) was from BDH Chemicals (Philadelphia, PA, USA), poly (diallyldimethylammonium chloride) (PDDA, 4% w/w in water) were from Sigma.

Jerez-Masaquiza M.D., Fernández L., González G., Montero-Jiménez M, & Espinoza-Montero P.J. (2020). Electrochemical Sensor Based on Prussian Blue Electrochemically Deposited at ZrO2 Doped Carbon Nanotubes Glassy Carbon Modified Electrode. Nanomaterials, 10(7), 1328.

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Fluorescent Organometallic Synthesis

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Ethanol (CH₃OH, 99.8%, Fisher Scientific), toluene (C₆H₅CH₃, 99.9%, Fluka), fluoresceinamine (6-aminofluorescein, ≥90%, Aldrich), chloroplatinic acid hexahydrate (H₂PtCl₆·6H₂O, ACS reagent, Sigma-Aldrich), formic acid (98%, Fluka), sulfuric acid (H₂SO₄, 98%, Fisher Scientific) were all used as received. Ferrocene (C₁₀H₁₀Fe, 98%, Aldrich) was resublimed at 90 °C prior to use. Argon (Ar, 99.99%), was obtained from BOC. Ultra-high purity water (Millipore MilliQ, 18 MΩ cm) was used for all aqueous solutions.

Quinson J., Bottein T., Dillon F., Meysami S.S, & Grobert N. (2020). Carbon nanotube columns for flow systems: influence of synthesis parameters. Nanoscale Advances, 2(12), 5874-5882.

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