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Sigma-Aldrich

Aluminum potassium sulfate dodecahydrate

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5%

Synonim(y):

Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate

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About This Item

Wzór liniowy:
AlK(SO4)2 · 12H2O
Numer CAS:
7784-24-9
Masa cząsteczkowa:
474.39
Numer WE:
233-141-3
Numer MDL:
MFCD00149143
Kod UNSPSC:
12352302
Identyfikator substancji w PubChem:
329753695
NACRES:
NB.24

klasa czystości

ACS reagent
puriss. p.a.

agency

reag. Ph. Eur.

Próba

≥99.5%

Postać

powder or crystals

zanieczyszczenia

≤0.005% ammonium (NH4)

pH

3.0-3.5 (20 °C, 10%)

mp

92 °C (lit.)

gęstość

1.757 g/mL at 25 °C (lit.)

ślady anionów

chloride (Cl-): ≤5 mg/kg

ślady kationów

As: ≤2 mg/kg
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Na: ≤100 mg/kg
Pb: ≤10 mg/kg

ciąg SMILES

O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4

Klucz InChI

GNHOJBNSNUXZQA-UHFFFAOYSA-J

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Opis ogólny

Aluminum potassium sulfate dodecahydrate is an inorganic sulfate salt of aluminum and potassium. Linear growth rates of (100), (111) and (110) faces of its crystals have been investigated.

Zastosowanie


  • Extraction and characterization of lignin from oil palm biomass via ionic liquid dissolution and non-toxic aluminium potassium sulfate dodecahydrate precipitation processes.: This study explores an environmentally benign method for extracting lignin from oil palm biomass using ionic liquids, followed by the precipitation of lignin using non-toxic aluminium potassium sulfate dodecahydrate. The process is notable for its eco-friendliness and efficiency in lignin recovery, highlighting a potential application in bio-refining technologies (Mohtar et al., 2015).

  • Reduction of house-dust mite allergen concentrations in carpets by aluminium potassium sulfate dodecahydrate (alum).: This research investigates the effectiveness of aluminium potassium sulfate dodecahydrate (alum) in reducing allergen concentrations in household carpets. The study demonstrates alum′s potential as a simple and cost-effective method to significantly decrease allergen levels, thus contributing to improved indoor air quality and reducing allergen-related health issues (Sevki et al., 2006).

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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Certyfikaty analizy (CoA)

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