31242
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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关于此项目
线性分子式:
AlK(SO4)2 · 12H2O
化学文摘社编号:
分子量:
474.39
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
233-141-3
MDL number:
Assay:
≥99.5%
Form:
powder or crystals
Quality Level
agency
reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
assay
≥99.5%
form
powder or crystals
impurities
≤0.005% ammonium (NH4)
pH
3.0-3.5 (20 °C, 10%)
mp
92 °C (lit.)
density
1.757 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg
cation traces
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 string
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 key
GNHOJBNSNUXZQA-UHFFFAOYSA-J
General description
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.
Application
- 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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存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable