Cobalt 2 nitrate hexahydrate

Manufactured by Thermo Fisher Scientific

Cobalt (II) nitrate hexahydrate is an inorganic chemical compound with the formula Co(NO3)2·6H2O. It is a crystalline solid that is soluble in water and used as a laboratory reagent.

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Cobalt nitrate hexahydrate (15 citations) Cobalt nitrate (2 citations)

9 protocols using cobalt 2 nitrate hexahydrate

Synthesis and Characterization of Perovskite Oxides

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All chemicals were used as received. Anhydrous ethanol and 5 wt% Nafion solution in lower alcohols were purchased from Sigma-Aldrich. Lanthanum (III) nitrate hexahydrate (99.999%), strontium (II) nitrate hexahydrate (99.9%), cobalt (II) nitrate hexahydrate (99.9%), tetrapropylammonium bromide (98%), tetramethylammonium hydroxide (TMAH) pentahydrate (99%), 2-propanol, potassium hydroxide, potassium iodide (≥99%), sodium thiosulfate (0.1 N), potassium iodate (0.1 N) and hydrochloric acid were obtained from Fisher Scientific. Absolute ethanol (200 proof) was obtained from Aaper alcohol. The commercial IrO₂ sample was obtained from Strem Chemicals. Oxygen (99.999%) and argon (99.999%) gases were obtained from Praxair. VC was obtained from Cabot Corporation and the NC was prepared as reported elsewhere57 .

Mefford J.T., Rong X., Abakumov A.M., Hardin W.G., Dai S., Kolpak A.M., Johnston K.P, & Stevenson K.J. (2016). Water electrolysis on La1−xSrxCoO3−δ perovskite electrocatalysts. Nature Communications, 7, 11053.

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Synthesis of Metal Nanoparticles

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Nickel(II) nitrate hexahydrate (reagent grade)
and cobalt(II) nitrate hexahydrate (99%) were obtained from Fisher
Chemical. Iron(III) nitrate nonahydrate (ACS grade) was obtained from
Alfa Aesar. Zinc(II) nitrate hexahydrate (98%), iron(III) chloride
hexahydrate (ACS grade), citric acid (99%) and ammonium hydroxide
(28–30%, ACS reagent) were obtained from Sigma-Aldrich. Iron(II)
chloride tetrahydrate (≥99%) was obtained from Honeywell. Tetramethylammonium
hydroxide (25 wt % in H₂O) was obtained from Tokyo Chemical
Industry. All chemicals were used without further purification.

Regan A., O’Donoghue J., Poree C, & Dunne P.W. (2023). Introducing Materials Science: Experimenting with Magnetic Nanomaterials in the Undergraduate Chemistry Laboratory. Journal of Chemical Education, 100(6), 2387-2393.

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Cobalt-Based Coordination Complex Synthesis

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All solvents and chemicals were used as received from reliable commercial sources. Cobalt (II) nitrate hexahydrate (\({{{{{{{\rm{Co}}}}}}}}{({{{{{{{{\rm{NO}}}}}}}}}_{3})}_{2}\)) and methanol 96% were purchased from Fisher Scientific, 2-methylimidazole (Hmim) was purchased from Sigma-Aldrich Co. and ethanol (technical grade) was purchased from Scharlab S.L.

Caprini D., Battista F., Zajdel P., Di Muccio G., Guardiani C., Trump B., Carter M., Yakovenko A.A., Amayuelas E., Bartolomé L., Meloni S., Grosu Y., Casciola C.M, & Giacomello A. (2024). Bubbles enable volumetric negative compressibility in metastable elastocapillary systems. Nature communications, 15(1).

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Synthesis of Cobalt-based Metal-Organic Framework

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All solvents and chemicals were used as received from reliable commercial sources. Cobalt(II) nitrate hexahydrate 98% and methanol 96% were purchased from Fisher Scientific, 2-methylimidazole (HmIm) was purchased from Sigma-Aldrich Co. and ethanol (technical grade) was purchased from Scharlab S.L. ZIF-67 LQ was purchased from MOF Technologies.

Amayuelas E., Bartolomé L., Zhang Y., López Del Amo J.M., Bondarchuk O., Nikulin A., Bonilla F., Del Barrio E.P., Zajdel P, & Grosu Y. (2024). Quality-dependent performance of hydrophobic ZIF-67 upon high-pressure water intrusion-extrusion process. Physical chemistry chemical physics : PCCP, 26(3).

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Synthesis of Bimetallic ZIF Frameworks

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All chemicals were used as received
from reliable commercial sources.
Basolite Z1200 (ZIF-8 material) and 2-methylimidazole (HmIm) were
purchased from Sigma-Aldrich Co. Cobalt(II) nitrate hexahydrate [Co(NO₃)₂·6H₂O] and methanol 96% were
purchased from Fisher Scientific, and ethanol (technical grade) was
purchased from Scharlab S.L.
For the synthesis of bimetallic
ZIF (Zn_0.6Co_0.4) frameworks, 2-methylimidazole
(HmIm), zinc nitrate hexahydrate
[Zn(NO₃)₂·6H₂O] and cobalt(II)
nitrate hexahydrate [Co(NO₃)₂·6H₂O] were procured from Sigma-Aldrich. Analytical grade methanol was
procured from J T Baker India.

Amayuelas E., Sharma S.K., Utpalla P., Mor J., Bartolomé L., Carter M., Trump B., Yakovenko A.A., Zajdel P, & Grosu Y. (2023). Bimetallic Zeolitic Imidazole Frameworks for Improved Stability and Performance of Intrusion–Extrusion Energy Applications. The Journal of Physical Chemistry. C, Nanomaterials and Interfaces, 127(37), 18310-18315.

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Synthesis of Perovskite Electrocatalysts

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All chemicals were used as received. Anhydrous ethanol and 5 wt% Nafion solution in lower alcohols were purchased from Sigma-Aldrich. Lanthanum (III) nitrate hexahydrate (99.999%), strontium (II) nitrate hexahydrate (99.9%), cobalt (II) nitrate hexahydrate (99.9%), tetrapropylammonium bromide (98%), tetramethylammonium hydroxide pentahydrate (99%), 2propanol, and potassium hydroxide were obtained from Fisher Scientific. Absolute ethanol (200 proof) was obtained from Aaper alcohol. Oxygen (99.999%) gas was obtained from Praxair. Vulcan carbon XC-72 (VC) was obtained from Cabot Corporation, and the nitrogen-doped carbon (NC) was prepared as reported elsewhere. 56 The LSCO series was synthesized according to the methods described in our previous papers. 25- 28

Mefford JT ., Kurilovich AA ., Saunders J ., Hardin WG ., Abakumov AM ., Forslund RP ., Bonnefont A ., Dai S ., Johnston KP , & Stevenson KJ . (2019). Decoupling the roles of carbon and metal oxides on the electrocatalytic reduction of oxygen on La_1-xSr_xCoO_3-δ perovskite composite electrodes. Physical chemistry chemical physics : PCCP, 21(6).

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Synthesis of Electrochemical Catalysts

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Cobalt (II) nitrate hexahydrate (98%), iron (II) sulfate heptahydrate (98%), zinc nitrate hexahydrate (99%), 2-methylimidazole (99%) zinc acetate dihydrate (98%), Pt/C (20%), dopamine hydrochloride (99%), 3-tris (hydorxymethyl) aminomethane (99.8%-100.1%), sodium thiocyanate (98%), potassium hydroxide (99.98%), sodium acetate trihydrate (99%), glacial acetic acid (99.9985%), and zinc foil (99.994%) were purchased from Alfa Aesar. Methanol and ethanol were received from Beijing Chemical Work Co. in analytic grade (AR). All chemicals were used as received without further purification. Nafion® solution (5 wt%, DuPont) was obtained from commercial suppliers. Milli-Q ultrapure water (resistance of 18.2 MΩ·cm at 25 °C) was used for all experiments.

Jiang Z., Liu X., Liu X.Z., Huang S., Liu Y., Yao Z.C., Zhang Y., Zhang Q.H., Gu L., Zheng L.R., Li L., Zhang J., Fan Y., Tang T., Zhuang Z, & Hu J.S. (2023). Interfacial assembly of binary atomic metal-Nx sites for high-performance energy devices. Nature Communications, 14, 1822.

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Synthesis of Strontium Titanate Nanoparticles

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All chemicals
were used as obtained without any further purification. Strontium
nitrate (Sr(NO₃)₂, Sigma-Aldrich, > 99.9%),
titanium(IV) butoxide (Ti(OCH₂CH₂CH₂CH₃)₄, Sigma-Aldrich, >98.0%), nitric acid
(HNO₃, Merck, 65%), ethanol (CH₃CH₂OH, ISOLAB, >99.9%), potassium hexacyanoferrate (K₃[Fe(CN)₆], Sigma-Aldrich, 99.0%), cobalt(II) nitrate hexahydrate
(Co(NO₃)₂·6H₂O, Alfa Aesar,
99.9%), sodium
borohydride (NaBH₄, ReagentPlus, 99%) is used in all experiments.

Peighambardoust N.S., Sadigh Akbari S., Lomlu R., Aydemir U, & Karadas F. (2023). Tunable Photocatalytic Activity of CoFe Prussian Blue Analogue Modified SrTiO3 Core–Shell Structures for Solar-Driven Water Oxidation. ACS Materials Au, 4(2), 214-223.

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Synthesis of Metal-Organic Nanomaterials

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Cobalt(ii) nitrate hexahydrate (Co(NO3)2•6H2O, 98-100%, Alfa Aesar), zinc nitrate hexahydrate (Zn(NO3)2•6H2O, 99%, Alfa Aesar), cadmium acetate (Cd(CH3COO)2•2H2O, 98%, Sigma-Aldrich), sodium diethyldithiocarbamate trihydrate (NaS2CNEt2•3H2O, 98%, Alfa Aesar), 2-methylimidazole (99%, Alfa Aesar), ethylenediamine (C2H8N2, 99%, Acros Organics), 1-dodecanethiol (C12H26S, 98%, Acros Organics), ethanol (anhydrous, Decon), and methanol (99.8%, Alfa Aesar) were obtained as indicated.

Zhou Y., Hu W., Yang S, & Huang J. (2020). Enhanced light harvesting ability in zeolitic imidazolate frameworks through energy transfer from CdS nanowires. Physical chemistry chemical physics : PCCP, 22(7).

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