Natural graphite powder (325 mesh), provided by Qingdao Tengshengda Carbon Machinery Co., Ltd., Qingdao, China. Concentrated sulfuric acid (H2SO4, 98 wt%), provided by Guangzhou Chemical Reagent Factory, Guangzhou, China; concentrated hydrochloric acid (HCl, 36 wt%), provided by Guangzhou Chemical Reagent Factory; potassium permanganate (KMnO4), provided by Guangzhou Chemical Reagent Factory; hydrogen peroxide (H2O2, 30 wt%), provided by Guangzhou Chemical Reagent Factory; hydroxypropyl methyl cellulose(HPMC, viscosity: 400 mPa·s), provided by Shanghai McLean Biochemical Technology Co., Ltd. Shanghai, China.; Ni nanoparticles (20–100 nm), provided by Shanghai McLean Biochemical Technology Co., Ltd.
Concentrated sulfuric acid h2so4
Manufactured by Guangzhou Chemical
Sourced in China
Concentrated sulfuric acid (H2SO4) is a highly corrosive and dense liquid chemical compound. It is a strong mineral acid with a wide range of industrial and laboratory applications. Sulfuric acid is a key ingredient in numerous chemical processes and is used as a reagent, catalyst, and dehydrating agent.
Automatically generated - may contain errors
Lab products found in correlation
3 protocols using concentrated sulfuric acid h2so4
1
Graphite Oxide Synthesis and Ni Nanoparticle Incorporation
2
Graphite-Based Electrochemical Sensing
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Graphite was purchased from the Damao Chemical Reagent Factory (Tianjin, China). Concentrated sulfuric acid (H2SO4) and 30% hydrogen peroxide (H2O2) were purchased from the Guangzhou Chemical Reagent Factory (Guangzhou, China). l -Trp, d -Trp, dopamine hydrochloride, tris(hydroxymethyl)aminomethane (Tris), ammonium persulfate (APS), and β-mercaptoethylamine were obtained from Macklin Biochemical Co., Ltd. (Shanghai, China). All chemicals were of analytical grade and were used directly without further treatment. Milli-Q ultrapure water (resistivity = 18.2 MΩ cm) was used throughout the experiments. The gold-coated glass SPR sensor chips (Au thickness of ∼50 nm) were obtained from Reichert Inc. (NY, USA).
3
Functionalization of Halloysite Nanotubes
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Halloysite nanotubes (HNTs) were purchased from Imerys Tableware Asia Limited. Concentrated sulfuric acid (H2SO4), ethanol and acetic anhydride were analytical grade reagents received from Guangzhou Chemical Reagent Co., Ltd. Aniline, 3-aminopropyl triethoxysilane (KH550), ammonium persulfate (APS), pyromellitic anhydride (PMDA) and 4,4′-oxydianiline (ODA) were all obtained from Aladdin. N,N′-Dimethylacetamide (DMAc, water ≤ 50 ppm) was purchased from Energy Chemical Co., Ltd. All the reagents were used without further purification.
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