SnO2 hollow spheres were prepared via one‐pot ultrasonic spray pyrolysis (Figure S16, Supporting Information). The spray‐pyrolysis system consisted of six piezoelectric droplet generators (resonance frequency: 1.7 MHz), a tubular reactor, and a powder‐collecting chamber. Tin (II) chloride dihydrate (SnCl2∙2H2O, ≥98%, Sigma–Aldrich, USA), citric acid monohydrate (C6H8O7∙H2O, ≥99.0%, Sigma–Aldrich, USA), and a diluted hydrochloric acid solution (35.0–37.0%, HCl: distilled water = 1:99 by vol%) (4 mL) were dissolved in 200 mL of distilled water, with stirring for 1 h. The concentrations of tin chloride and citric acid were 0.1 and 0.25 m , respectively. Large quantities of droplets were generated by ultrasonic transducers and these were transferred into a high‐temperature (700 °C) tubular quartz reactor (inner diameter: 50 mm; length: 1200 mm) by air at a flow rate of 20 L·min−1. The Sn‐containing precursor powder was collected through a Teflon bag filter in a particle‐collection chamber and was converted into SnO2 hollow spheres via heat treatment at 600 °C for 2 h.
Tin 2 chloride dihydrate
Manufactured by Merck Group
Sourced in United States, Germany
Tin(II) chloride dihydrate is an inorganic chemical compound with the formula SnCl2·2H2O. It is a white crystalline solid that is soluble in water and various organic solvents. Tin(II) chloride dihydrate is commonly used as a reducing agent, a chemical intermediate, and in various analytical applications.
Automatically generated - may contain errors
Lab products found in correlation
Citric acid monohydrate, by Merck Group (2 mentions)
Citric acid, by Merck Group (2 mentions)
Ethanol, by Merck Group (2 mentions)
Hydrochloric acid (hcl), by Merck Group (2 mentions)
Sodium hydroxide (naoh), by Merck Group (2 mentions)
Emsure, by Merck Group (2 mentions)
Glacial acetic acid, by Merck Group (2 mentions)
Potassium hydroxide, by Merck Group (2 mentions)
Zinc acetate dihydrate, by Merck Group (2 mentions)
6 hydroxy 2 5 7 8 tetramethylchromane 2 carboxylic acid trolox, by Merck Group (1 mentions)
Pge2 d4, by Cayman Chemical (1 mentions)
Porcine hematin, by Merck Group (1 mentions)
Phenol, by Merck Group (1 mentions)
Indomethacin, by Merck Group (1 mentions)
Diethyl ether, by Merck Group (1 mentions)
Tris hcl, by Merck Group (1 mentions)
8 iso pgf2α, by Cayman Chemical (1 mentions)
Arachidonic acid, by Cayman Chemical (1 mentions)
Meclofenamic acid, by Merck Group (1 mentions)
Acetic acid, by Merck Group (1 mentions)
20 protocols using tin 2 chloride dihydrate
1
Synthesis of SnO2 Hollow Spheres via Ultrasonic Spray Pyrolysis
2
Prostaglandin Synthase Activity Assay
3
Synthesis of Mesoporous Tin Oxide Materials
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Reagent grade chemicals were used in hard-templating and sol-gel syntheses: Pluronic F-127 (F-127, (C3H6O·C2H4O)x); Mw = 12,600 (Sigma-Aldrich Chemie GmbH, Steinheim, Germany); tetraethoxysilane (Si(OC2H5)4); TEOS, p.a. 98% (Sigma-Aldrich Chemie GmbH, Steinheim, Germany); hydrochloric acid (HCl, ≥37 wt%, Sigma-Aldrich Chemie GmbH, Steinheim, Germany); tin(II) chloride dihydrate (SnCl2·2H2O, p.a. 98+%, Acros Organics, Geel, Belgium); sodium hydroxide (NaOH, p.a. 98.9%, Lach-Ner, Czech Republic); absolute ethanol (C2H5OH, Honeywell, Seelze, Germany); and deionized water. The organic functional agents, i.e., α-terpineol (C10H18O, Sigma-Aldrich Chemie GmbH, Steinheim, Germany), ethyl-cellulose (C20H38O11,Sigma-Aldrich Chemie GmbH, Steinheim, Germany) and glacial acetic acid (C2H4O2, p.a. 99+%, Alfa Aesar, Karlsruhe, Germany) were employed, too.
4
Synthesis of Graphene-Tin Nanocomposites
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Pre-oxidized graphite flakes, Tin(ii ) chloride dihydrate (SnCl2·2H2O), diethylamine ((CH3CH2)2NH), sodium nitrate (NaNO3), potassium permanganate (KMnO4), hydrochloric acid (HCl), sulfuric acid (H2SO4) and hydrogen peroxide (H2O2) were purchased from Sigma-Aldrich and used for the preparation of the nanocomposites. Ultra-pure water with resistivity of 18.2 MΩ cm−1 (Milli-Q Water, Millipore System) was used for all the preparation process.
5
Radiolabeling of Zanamivir-Chelate Precursor with Tc-99m
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The following reagents for radiolabeling of zanamivir-chelate precursor (compound 14 ) with 99mTc were prepared and purged with argon: sodium gluconate (Sigma-Aldrich) in water (250 mg, 2.5 mL); ethylenediaminetetraacetic acid (EDTA) disodium salt dihydrate (Sigma-Aldrich) in water (30 mg, 3.0 mL); and tin(II) chloride dihydrate (Sigma-Aldrich) in 0.2 N HCl (50 mg, 5 mL). To 2.5 mL of sodium gluconate solution was added 300 µl of EDTA solution and 100 µl of Tin(II) chloride solution while purging with argon. To this solution was added 1.6 mg zanamivir-chelate precursor (1340 nmol; compound 14 ) while bubbling with argon. After adjusting the solution pH to 6.8 using argon purged 1.0 N NaOH and 0.2 N HCl, the volume of the solution was increased to 10 mL by adding argon-purged water. The final solution was dispensed to formulation vials (1.0 mL/vial) under argon and lyophilized for 48 h. Vials were sealed with rubber stoppers and aluminum seals under argon atmosphere and stored at –80 °C until use.
6
Synthesis of Tin Oxalate and Germanium Dioxide
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Fumed silica powder (0.007 μm), sodium
hydroxide (≥ 98%), tin(II) chloride dihydrate (98%), and oxalic
acid dihydrate (≥ 99%) were obtained from Sigma-Aldrich. Tin(II)
oxalate (98%) was obtained from Alfa Aesar. Amorphous germanium dioxide
was obtained from Gerald Wise & Co. Ltd. (now defunct).
hydroxide (≥ 98%), tin(II) chloride dihydrate (98%), and oxalic
acid dihydrate (≥ 99%) were obtained from Sigma-Aldrich. Tin(II)
oxalate (98%) was obtained from Alfa Aesar. Amorphous germanium dioxide
was obtained from Gerald Wise & Co. Ltd. (now defunct).
7
Synthesis of Graphene Oxide-Tin Nanocomposites
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All reagents, including a commercial 0.4 wt.% liquid graphene oxide (Graphenea, San Sebastian, Spain), tin (II) chloride dihydrate (SnCl2·2H2O), ethylene glycol, ammonium hydroxide, and ascorbic acid (Sigma Aldrich, St. Louis, MI, USA), were analytical grade and were used without further purification.
8
Synthesis and Characterization of Nanomaterials
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All substances were obtained from Sigma-Aldrich
(India) and used: graphite powder, titanium isopropoxide, tryptophan,
caffeine, paracetamol, hydrazine hydrate, selenium powder, tin(II)
chloride dihydrate, HPLC water, ethylenediamine, sodium dihydrogen
phosphate, and disodium hydrogen phosphate. Red Bull, Dolopar,l -tryptophan, and tea pack were obtained from a local market
and used.
(India) and used: graphite powder, titanium isopropoxide, tryptophan,
caffeine, paracetamol, hydrazine hydrate, selenium powder, tin(II)
chloride dihydrate, HPLC water, ethylenediamine, sodium dihydrogen
phosphate, and disodium hydrogen phosphate. Red Bull, Dolopar,
and used.
9
Synthesis of Polymer-Stabilized Nanoparticles
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Styrene (≥99%), polyvinylpyrrolidone (Mw ~55,000), ammonium persulfate (ACS reagent, ≥98%), and tin(II) chloride dihydrate (98%, reagent grade) were purchased from Sigma-Aldrich (St. Louis, MI, USA). The ethanol serving as the polymerization solvent (≥99.9%, absolute for analysis Emsure®) and that for other uses (94.5%) were purchased from Merck KGaA (Darmstadt, Germany) and Daejung Chemicals & Metals Co Ltd. (Shiheung, South Korea), respectively. Sulfuric acid (95%) and nitric acid were purchased from Duksan Pure Chemicals Co., Ltd. (Ansan, South Korea). All the chemicals were used without further purification.
10
Synthesis of Polylactic Acid Precursors
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Glycolic acid, chloroform, tetrahydrofuran (THF), diphenylether, 3 Å molecular sieves and two catalysts (tin(II) chloride dihydrate and methanesulfonic acid), were purchased from Sigma Aldrich (Seoul, Korea) and were used as received. dl -lactic acid (predominantly containing l -isomer) in 85% to 90% aqueous solutions were acquired commercially from Alfa Aesar (Fisher Scientific Ltd., Incheon, Korea). 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) with a 99% purity was purchased from Fluorochem Ltd. (Derbyshire, UK), and was used as received. The 3 Å molecular sieves was activated using microwave oven (Samsung, Seoul, Korea) prior to use.
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