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Hydrochloric acid (hcl)

Manufactured by Shanghai Chemical Reagent
Sourced in China

Hydrochloric acid is a clear, colorless, and corrosive liquid chemical compound. It is a commonly used laboratory reagent that is composed of hydrogen and chlorine. Hydrochloric acid has a sharp, pungent odor and a sour taste. It is soluble in water and has a wide range of applications in various industries and scientific research.

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5 protocols using hydrochloric acid (hcl)

1

Hemicellulose-based Electrolyte Additives

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The hemicelluloses extracted from the dissolving pulp were supplied by a viscose fiber mill in Xinjiang, China. The preparation of the hemicelluloses can be found in our previous literature [30 (link)]. Potassium carbonate (K2CO3, 99%), potassium hydroxide (KOH, 95%), sodium carbonate (Na2CO3, 99.5%), Zinc chloride (ZnCl2, 98%), Lithium sulfate (Li2SO4, 99%), polyvinylidene fluoride (PVDF), N-methyl pyrrolidone (NMP, 99%) were purchased from Shanghai Macklin Biochemical Co., Ltd., Shanghai, China. Acetylene black was obtained from Tianjin Ebory Chemical Co., Ltd., Tianjin, China. Hydrochloric acid (HCl, 37 wt%) and sulfuric acid (H2SO4, 95 wt%) were purchased from Shanghai Chemical Reagent Co., Ltd., Shanghai, China. HCl, H2SO4, KOH, K2CO3, Na2CO3, ZnCl2, Li2SO4, PVDF, NMP, and acetylene black were all of analytical grade and used as received.
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2

Synthesis of Gold Nanoparticles

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CTAB (99%) and PSS (Mw 70,000 Da) were purchased from Sigma. Hydrogen tetrachloroauric acid (HAuCl4·4H2O, 99%), hydrochloric acid (HCl, 37 wt%), silver nitrate (AgNO3), sodium borohydride (NaBH4, 96%), trisodium citrate (C6H5Na3O7·2H2O), sodium chloride (NaCl), and l-ascorbic acid (l-AA) were obtained from Shanghai Chemical Reagent Co., Ltd (China). The Milli-Q water with resistance 18 mΩ was used in all experiments. All glassware was cleaned by aqua regia (HCl/HNO3 in 3:1 v/v) before usage.
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3

Thiol-Mediated Photoredox Polymerization for Advanced Materials

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1-Butanethiol (Energy Chemical, Shanghai, China, 98%), 2-bromopropionic acid (Energy chemical, Shanghai, China, 99%), tetrabutylammonium hydrogen sulfate (Aladdin, Shanghai, China, 99%), 2,2’-(thiocarbonyldithio)diacetic acid, N,N-dimethyl acrylamide (DMA) (Aldrich, St. Louis, MO, USA, 99%), N,N-dimethylaminoethyl acrylate (DMAEA) (Energy chemical, Shanghai, China, 98%), N,N-Diethylacrylamide (DEA) (Aladdin, Shanghai, China, 99%), N-(3-(dimethylamino)propyl)acrylamide (DPAA) (Energy Chemical, Shanghai, China, 98%), 3-mercaptopropionic acid (Aladdin, Shanghai, China, 99%), 2-Bromoisobutyric acid (Energy chemical, Shanghai, China, 98%), 4,7-Di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (DTBT as photoredox catalyst in this study) (ARK, Chicago, IL, USA, >98.0%), bis(carboxymethyl) trithiocarbonate, CAS: 6326-83-6) (BCMT) (Energy Chemical, Shanghai, China, 98%), N, N-dimethylformamide (DMF) (Aladdin, Shanghai, China, 99.8%) were purchased from chemical company, respectively. Acetone, hydrochloric acid, carbon disulfide, chloroform, DCM, hexane, ether, K3PO4·3H2O, NaCl, NaOH, D2O, CDCl3, anhydrous Na2SO4 were obtained from Shanghai Chemical Reagent Co., Shanghai, China.
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4

Synthesis and Characterization of Metal-Based Adsorbents

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Analytical-grade manganese chloride tetrahydrate (MnCl2·4H2O, ≥99%), ferric chloride hexahydrate (FeCl3·6H2O, ≥99%), sodium hydroxide (NaOH), ammonium hydroxide (NH4OH, 25%), potassium permanganate (KMnO4, 99.9%), hydrogen peroxide (H2O2, 30%), sulfuric acid (H2SO4, 98%), hydrochloric acid (HCl, 37%), and nitric acid (HNO3, 63%) used in this study were purchased from Shanghai Chemical Reagent Co. Ltd. Methylene blue (MB, C16H18ClN3S·3H2O) and arsenic(v) used as model pollutant agents were obtained from HanChem Chemical Agent Company (Daejeon, Korea).
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5

Synthesis of Fluorescent Silica Nanoparticles

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Iron (III) chloride hydrate (FeCl3·6H2O), hydrochloric acid (37 wt% aqueous solution), NH4OH (28 wt%), sodium acetate and ethylene glycol were purchased from Shanghai Chemical Reagent Company (Shanghai, China). Tetraethyl orthosilicate (TEOS), (3-aminopropyl) triethoxysilane (APTES) and fluorescein tetramethylrho-damine (TRITC) were obtained from Sigma-Aldrich (St. Louis, MO, USA). PEI (99%, Mw = 10000) was obtained from Alfa Aesar. Nanoparticles suspensions and all stock solutions were prepared using Milli-Q deionized water (18.2 MΩ•cm at 25 °C resistivity).
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