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  7. Kaliumsulfat, 99 %, Thermo Scientific Chemicals

Kaliumsulfat, 99 %, Thermo Scientific Chemicals

Product Code. 11451728
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Product Code. 11451728

Brand: Thermo Scientific Alfa Aesar A13975.0B

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Description

CAS: 7778-80-5 | K2O4S | 174.25 g/mol

Potassium sulfate is used in the production of fertilizers (i.e. providing potassium and sulfur), potassium alum, potassium carbonate and glass. In analytical chemistry, it is used in the determination of nitrogen by the Kjeldahl method and protein in foodstuffs. Also, it is used in the electrostatic effects on pKa values of amino acid residues in the staphylococcal nuclease. It is used in the separation of protein through electrophoresis and also serves as a laboratory reagent.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Anwendungen
Kaliumsulfat wird bei der Herstellung von Düngemitteln (d. H. Kalium und Schwefel), Kaliumalaun, Kaliumcarbonat und Glas verwendet. In der analytischen Chemie wird es bei der Bestimmung von Stickstoff durch die Kjeldahl-Methode und Proteinen in Lebensmitteln verwendet. Außerdem wird es für die elektrostatische Wirkung von Aminosäureresten in der Staphylokokken-Nuklease auf den pKa-Wert verwendet. Es wird bei der Trennung von Proteinen durch Elektrophorese verwendet und dient auch als Laborreagenz.

Löslichkeit
Löslich in Wasser und Glycerin. Unlöslich in Alkohol, Acetat und Kohlenstoffdisulfid.

Hinweise
Nicht kompatibel mit starken Oxidationsmitteln.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7778-80-5
Summenformel K2O4S
Molekulargewicht (g/mol) 174.25
MDL-Nummer MFCD00011388
InChI-Schlüssel OTYBMLCTZGSZBG-UHFFFAOYSA-L
Synonym potassium sulfate, dipotassium sulfate, potassium sulphate, sulfuric acid dipotassium salt, sal polychrestum, sulfuric acid, potassium salt, arcanum duplicatum, kalium sulphuricum, caswell no. 702, sulfuric acid, dipotassium salt
PubChem CID 24507
ChEBI CHEBI:32036
IUPAC-Name Dikalium Sulfat
SMILES [K+].[K+].[O-]S([O-])(=O)=O

Specifications

Siedepunkt 1689°C
Chemischer Name oder Material Potassium sulfate
Schmelzpunkt 1,069°C
Menge 1000 g
Merck Index 14,7674
Löslichkeitsinformationen Soluble in water and glycerol. Insoluble in alcohol,acetate and carbon disulfide.
Formelmasse 174.27
Reinheit (%) 99%
Geruch Geruchsneutral
Dichte 2.662

RUO – Research Use Only

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