Sodium sulfate

Manufactured by Honeywell

Sourced in Germany

Sodium sulfate is a common inorganic salt used in various laboratory applications. It is a white, crystalline powder that is soluble in water. Sodium sulfate serves as a desiccant and can be used in chemical reactions and analyses.

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Anhydrous magnesium sulfate (MgSO4) and sodium chloride (NaCl) (2 citations) Anhydrous sodium sulfate (2 citations)

5 protocols using sodium sulfate

Synthesis of MnO2-based Supercapacitor Electrode

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Analytical-grade chemicals were used as received, without any further purification. Nickel foam (98% purity, Fluka, Tokyo, Japan), graphene oxide sheet (99% purity, Goal Bio, Hsichu, Taiwan), multiwalled carbon nanotube (MWCNT) (98% purity, Showa, Tokyo, Japan), sodium sulfate (≥98% purity, Honeywell, Hannover, Germany), safranin (99% purity, Alfa Aesar, Karlsruhe, Germany), potassium permanganate (98% purity, Showa, Tokyo, Japan), and manganese sulfate (98% purity, Showa, Tokyo, Japan) were used for the preparation of the MnO₂-based/NF electrode. sodium sulfate (≥98% purity, Honeywell, Hannover, Germany) was used as the electrolyte.

Hung S.C., Chou Y.R., Dong C.D., Tsai K.C, & Yang W.D. (2020). Enhanced Activity of Hierarchical Nanostructural Birnessite-MnO2-Based Materials Deposited onto Nickel Foam for Efficient Supercapacitor Electrodes. Nanomaterials, 10(10), 1933.

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Analytical Reagents Identification

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Acetic acid and sodium azide was from Merck & Co. (Darmstadt, Germany). Potassium bromide and sodium sulfate was from Riedel-de haën (Seelze, Germany). Sodium acetate, phenolphthalein, potassium chromate, silver nitrate, and sodium hydroxide were from Sigma-Aldrich Corp. (St. Louis, MO, USA).

Wang S.T., Lu Y.Y, & Tsai M.L. (2021). Formulation and Evaluation of Chitosan/NaCl/Maltodextrin Microparticles as a Saltiness Enhancer: Study on the Optimization of Excipients for the Spray-Drying Process. Polymers, 13(24), 4302.

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Synthesis of Metal Sulfate Compounds

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All chemicals utilized in this work were of analytical grade and were used as received, with no prior purification. All solutions were prepared with double-distilled water. Nickel sulfate hexahydrate (NiSO₄·6H₂O), formic acid (HCOOH, FA), disodium hydrogen phosphate (Na₂HPO₄), hydrochloric acid (HCl), sodium hydroxide pellets (NaOH) and sulfuric acid (H₂SO₄) were purchased from Sigma-Aldrich, whereas iron(ii) sulfate heptahydrate (FeSO₄·7H₂O) and sodium sulfate (Na₂SO₄) were purchased from Riedel-de Haën and Merck, respectively.

Al-Qodami B.A., Alalawy H.H., Sayed S.Y., Al-Akraa I.M., Allam N.K, & Mohammad A.M. (2022). Tailor-designed nanowire-structured iron and nickel oxides on platinum catalyst for formic acid electro-oxidation. RSC Advances, 12(31), 20395-20402.

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Activated Carbon Electrode Preparation

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Analytical-grade chemicals were used as received, without any further purification. Coconut shell (from Ping-Tong, Taiwan), potassium hydroxide (98% purity, Showa, Tokyo, Japan), HCl (Showa, Tokyo, Japan) and ammonium persulfate (98% purity, Honeywell, Hannover, Germany) were utilized to prepare activated carbon powder. Nickel foam (NF) (98% purity, Fluka, Tokyo, Japan), carbon black and polyvinylidene fluoride (PVDF) (Showa, Tokyo, Japan) was used to prepare AC/NF electrode. Sodium sulfate (≥98% purity, Honeywell, Hannover, Germany) was used as the electrolyte.

Liu R., Wang J.X, & Yang W.D. (2022). Hierarchical Porous Heteroatoms—Co-Doped Activated Carbon Synthesized from Coconut Shell and Its Application for Supercapacitors. Nanomaterials, 12(19), 3504.

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Synthesis of Nickel-Manganese Electrocatalyst

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All chemicals used in this work were of analytical grade and were used without further purification. Nickel foam (98% purity, Fluka), manganese acetate tetrahydrate (99.9%), dimethylsulfoxide (99.9%), sodium sulfate (98%), ethanol (99%), acetone (99%), and ammonium acetate (99.9%) were from Sigma Aldrich. sodium sulfate (≥98% purity, Honeywell) was used as the electrolyte.

Liu R., Jiang R., Chu Y.H, & Yang W.D. (2021). Facile Fabrication of MnO2/Graphene/Ni Foam Composites for High-Performance Supercapacitors. Nanomaterials, 11(10), 2736.

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