Whatman filter paper No. 1 was purchased from Whatman International Ltd. (Maidstone, England) and then used for μPADs fabrication. Yellow oily double-sided adhesive tape (brand Youbisheng, width = 40 mm) was purchased from Shengneng Packaging Co., Ltd. (Hangzhou, China). The tape was composed of a double-sided adhesive layer and a protective film. The marker (nib diameter = 0.7 mm), which was used to draw the pattern on the filter paper, was purchased from Shenzhen Shengjie Stationery Wholesale Collection Co., Ltd. Ni(NO3)2,·6H2O, toluene, Cu(NO3)2, Co(NO3)2·6H2O, KNO3, Na2SO4, Ca(NO3)2, Mg(NO3)2, Zn(NO3)2·6H2O, Pb(NO3)2, Fe(NO3)3, CH3COONa, NaF, NaNO2 and MgSO4 of analytical grade were bought from Sinopharm Chemical Reagent Co., Ltd. (China). Mn(NO3)2 was bought from Aladdin Reagent Company (Shanghai, China). Tris(hydroxymethyl)aminomethane was bought from Macklin Biochemical Co., Ltd. (Shanghai, China). The natural mineral water was purchased from Emeishan Yuquan Water Industry Co., Ltd.
Ch3coona
Manufactured by Sinopharm
Sourced in China
CH3COONa is a chemical compound commonly known as sodium acetate. It is a crystalline, white, odorless solid that is soluble in water. Its core function is to serve as a buffer in various applications, maintaining a stable pH level in solutions.
Automatically generated - may contain errors
Lab products found in correlation
Sodium hydroxide (naoh), by Sinopharm (5 mentions)
Hydrochloric acid (hcl), by Sinopharm (3 mentions)
Na2hpo4, by Sinopharm (3 mentions)
Nano2, by Sinopharm (2 mentions)
Fecl3 6h2o, by Sinopharm (2 mentions)
Nah2po4, by Sinopharm (2 mentions)
K2cr2o7, by Sinopharm (2 mentions)
Potassium chloride (kcl), by Sinopharm (2 mentions)
Hgcl2, by Sinopharm (2 mentions)
Ni no3 2 6h2o, by Sinopharm (1 mentions)
Co no3 2 6h2o, by Sinopharm (1 mentions)
Tris hydroxymethyl aminomethane, by Maclin Biochemical Technology (1 mentions)
Toluene, by Sinopharm (1 mentions)
Whatman no 1 filter paper, by Cytiva (1 mentions)
Zn no3 2 6h2o, by Sinopharm (1 mentions)
Na2so4, by Sinopharm (1 mentions)
Pb no3 2, by Sinopharm (1 mentions)
Ca no3 2, by Sinopharm (1 mentions)
Mgso4, by Sinopharm (1 mentions)
Cu no3 2, by Sinopharm (1 mentions)
12 protocols using ch3coona
1
Fabrication of Analytical μPADs
2
Synthesis and Characterization of Iron-based Compounds
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In this work, all reagents were of analytical grade as used as received without further purification. FeCl3·6H2O, H2NCONH2, CH3COONa, NaOH, HCl, C2H5OH, methyl orange (MO), methylene blue (MB), isopropanol (IPA), ethylenediaminetetraacetic acid (EDTA), and benzoquinone (BQ) were acquired from Sinopharm Chemical Reagent Co., Ltd. Superoxide dismutase (SOD) was obtained from Aladdin Chemical Reagent Co., Ltd.
3
Synthesis of Mn-S Nanocomposite Electrode
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Sulfur powder, hydrazine hydrate, cetyltrimethylammonium bromide (CTAB), MnSO4·H2O, CH3COONa, and concentrated HCl were purchased from the Sinopharm Chemical Reagent Co., Ltd. Commercial NF was provided by Lizhiyuan Battery Materials Co., Ltd. Pt/C (20 wt%) and RuO2 (99.95%) were obtained from Alfa Aesar.
4
Extraction and Analysis of Amygdalin from Peach Kernels
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Amygdalin (Purity > 97%), was purchased from Macklin Biochemical Technology Co., Ltd. (Shanghai, China). β-glucosidase (≥4 U/mg) and acetonitrile (HPLC grade) were purchased from Sigma-Aldrich Co., (Tokyo, Japan). NaOH, HCl, Na2CO3, Na2HPO4, NaH2PO4, and CH3COONa were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). DMEM high glucose medium (4.5 g/L), DMEM-F12 medium, and phosphate-buffered saline (PBS) were purchased from Corning Incorporated. Fetal bovine serum (FBS) was purchased from Gibco industries. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and dimethyl sulfoxide (DMSO) were purchased from Solar Biochemical Technology Co., Ltd. (Beijing, China). Trypsin-EDTA Solution (0.25% trypsin) was purchased from Beyotime Biotechnology Co., Ltd. (Shanghai, China). Sodium alginate, KBr (FTIR grade > 99%), was purchased from Yuanye Biotechnology Co., Ltd. (Shanghai, China). Peach kernels were from ripened HuJing juicy peaches (Ningbo, China).
5
Enzymatic Oxidation of Phenolic Compounds
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All reagents were used as received without further purification. Polyvinylpyrrolidone (PVP, Mw = 1.3 × 106), N,N-dimethylformamide (DMF), Cu(Ac)2·H2O, CH3COOH, CH3COONa, guaiacol, vanillin, phenol and 3,5-dinitrosalicylic acid were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Polyacrylonitrile (PAN, Mw = 50,000–60,000) was purchased from Zhejiang Shangyu Wuyue Trade Co., Ltd. (Shangyu, Chaina). Catechol was purchased from Aladdin Reagent Co., Ltd. (Shanghai, China). Laccase (Lac) and Nafion were purchased from Sigma-Aldrich Chemical Co., Ltd. (St. Louis, MO, USA). All water was deionized. A 0.1 M acetate buffer solution was employed as supporting electrolyte.
6
Analytical-Grade Chemical Reagents Protocol
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7
Sediment Sample Preparation for Aquatic Research
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KCl, NaH2PO4, Na2HPO4, CH3COONa (NaAc), and KNO3 were above analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd, China. The sediment samples were collected from a fishpond located in Gong’an, Hubei province, China (112°15′44.63″E, 29°55′14.62″N). About 5 kg of sediment was collected at 0.2 m below the surface of the pond using a UWITEC Sediment corer 60 (Mondsee, Austria) on April 12, 2014, and transported to the laboratory at 4°C. Then, the sediment was washed with 1 mol/L KCl solution to decrease the ammonia concentration to below 0.5 mg/L, washed with 1 mol/L phosphate-buffered saline (PBS, pH = 7.0) to remove potassium ions, and centrifuged at 6000 g for 10 min.
8
Synthesis of Nickel-Phosphorus Nanocomposites
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Nickel chloride hexahydrate (NiCl2 ⋅ 6H2O, Sinopharm Chemical Reagent Co. Ltd, >99 %), sodium hypophosphite (NaH2PO2, Aladdin, 99 %), trisodium citrate dihydrate (Na3C6H5O7 ⋅ 2H2O, Sinopharm Chemical Reagent Co. Ltd, >99 %), phosphorus red (P, Aladdin, 99 %), sodium acetate (CH3COONa, Sinopharm Chemical Reagent Co. Ltd, >99 %), nickel acetate tetrahydrate (Ni(CH3COO)2 ⋅ 4H2O, Sinopharm Chemical Reagent Co. Ltd, >99 %), potassium dichromate (K2Cr2O7, Sinopharm Chemical Reagent Co. Ltd, 99.8 %), potassium hydroxide (KOH, Sinopharm Chemical Reagent Co. Ltd, >85 %), potassium iodide (KI, J&K Chemical, >99 %), sodium hydroxide (NaOH, Sinopharm Chemical Reagent Co. Ltd, >96 %), ammonia borane (NH3BH3, Aldrich, 97 %), terephtalic acid (C8H6O4, TA, J&K Chemical, 99 %), 2‐propanol ((CH3)2CHOH, J&K Chemical, 99.9 %) and deuterium oxide (D2O, J&K Chemical, 99.8 % atom D) were obtained without purification.
9
Synthesis of Manganese-Doped Silica Nanoparticles
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The raw materials for synthesizing MS nanoparticles were listed as follows: calcium chloride anhydrous (CaCl2), ammonium fluoride (NH4F), tetraethoxysilane (TEOS), cetyltrimethylammonium bromide (CTAB), and sodium acetate anhydrous (CH3COONa) were purchased from Sinopharm Chemical Reagent Co. Ltd. (Shanghai, China). Manganese chloride tetrahydrate (MnCl2·4H2O) was purchased from Sigma-Aldrich Co. Ltd. (USA). MS nanoparticles were synthesized according to a previous study (36 ). Briefly, 3 g of NH4F and 1.8 g of CTAB were added in 500 ml of deionized water separately. Then, the mixed solution was continuously stirred at 80°C until it became homogenous. Subsequently, 9 ml of TEOS was slowly added into the above solution and aged for 12 hours. After being centrifuged at 8000 rpm for 15 min, silica nanospheres were obtained from the precipitate and washed with ethanol and deionized water. Next, 0.1 g of silica nanospheres, 0.05 g of CH3COONa, and 0.1 g of MnCl2·4H2O were added in 40 ml of deionized water, respectively, and triethanolamine was added into the above mixture until the pH was 7.5. Then, the mixed solution reacted at 110°C for 24 hours in an enclosed autoclave. After the solution cooled, the obtained precipitate was washed with water and anhydrous ethanol. Last, the obtained products were calcined at 650°C for 6 hours.
10
Sodium Bentonite Purification and Characterization
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Sodium bentonite (Na-B; Chaoyang City, Liaoning province, China) was crushed and passed through a 200-mesh sieve after purification and air-drying to afford a light yellow powder. Analytical-grade reagents, including FeCl3·6H2O, AlCl3·6H2O, CH3COONa, (CH2OH)2, NaOH, HCl, and HgCl2, were purchased from Sinopharm Chemical Reagent Co., Ltd. (China) and used in all experiments. All solutions were prepared using deionized water (18 MΩ cm).
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