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7757-82-6 - Sodium sulfate, anhydrous, 99% - A19890 - Alfa Aesar

A19890 Sodium sulfate, anhydrous, 99%

CAS-Nummer
7757-82-6
Synonyme

Größe Preis ($) Menge Verfügbarkeit
1000g 36,67
5000g 116,39
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Sodium sulfate, anhydrous, 99%

MDL
MFCD00003504
EINECS
231-820-9

Chemische Eigenschaften

Formel
Na2O4S
Molmasse
142.04
Schmelzpunkt
884°
Dichte
2.680
Brechungsindex
1.484
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water, glycerol and hydrogen iodide. Insoluble in ethanol and many organic solvents.

Anwendungen

Sodium sulfate anhydrous is used primarily for drying non-aqueous solvents by removing traces of water. It is used as a fining agent for molten glass, levelling agent in textile processing, and filler in detergents. It is also used in Kraft process for paper pulping, defrosting windows, manufacture of starch, glass, and soap.

Bemerkungen

Anhydrous sodium sulfate is hygroscopic in nature, and absorbs moisture converting to the hydrated form. The hydrated form on heating gets converted back to anhydrous form.

Literaturverweise

Baščarevi?, Z.; Komljenovi?, M.; Miladinovi?, Z.; Nikoli?, V.; Marjanovi?, N.; Petrovi?, R. Impact of sodium sulfate solution on mechanical properties and structure of fly ash based geopolymers. Mater. Struct. 2015, 48 (3), 683-697.

Tsuia, N.; Flattb, R. J.; Schererb, G. W. Crystallization Damage by Sodium Sulfate. J. Cult. Herit. 2003, 4 (2), 109-115.

Karami, H.; Yaghoobi, A.; Ramazani, A. Sodium Sulfate Effects on the Electrochemical Behaviors of Nanostructured Lead Dioxide and Commercial Positive Plates of Lead-Acid Batteries. Int. J. Electrochem. Sci. 2010, 5, 1046-1059.

Weitere Referenzen

Merck
14,8680
Harmonized Tariff Code
2833.11
TSCA
Yes
RTECS
WE1650000

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