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Merck

31242

Sigma-Aldrich

硫酸铝钾 十二水合物

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

别名:

明矾, 硫酸钾铝 十二水合物, 钾明矾

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About This Item

线性分子式:
AlK(SO4)2 · 12H2O
CAS号:
分子量:
474.39
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NB.24

等級

ACS reagent
puriss. p.a.

agency

reag. Ph. Eur.

化驗

≥99.5%

形狀

powder or crystals

雜質

≤0.005% ammonium (NH4)

pH值

3.0-3.5 (20 °C, 10%)

mp

92 °C (lit.)

密度

1.757 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤5 mg/kg

正離子痕跡

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

SMILES 字串

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

InChI 密鑰

GNHOJBNSNUXZQA-UHFFFAOYSA-J

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一般說明

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.

應用


  • 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).

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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Growth rates of aluminum potassium sulfate crystals in aqueous solutions.
Botsaris GD and Denk Jr EG.
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