Description
Synonyms: Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate
Linear Formula: AlK(SO4)2 · 12H2O
Application
Aluminum potassium sulfate dodecahydrate has been used:
- to prepare Mayer′s hematoxylin solution for staining of lung sections and tibialis anterior muscle sections
- to sensitize experimental mice and establish the allergic rhinitis (AR) mouse model
- to stain mammary glands for its whole-mount analysis
PROPERTIES
grade
ACS reagent
Pack Size
500g
Assay
≥98%
98.0-102.0% (ACS specification)
form
powder or crystals
reaction suitability
reagent type: catalyst
core: aluminum
impurities
≤0.005% insolubles
pH
3.3 (94.88 g/L)
mp
92 °C (lit.)
density
1.757 g/mL at 25 °C (lit.)
anion traces
chloride (Cl–): ≤5 ppm
cation traces
Fe: ≤0.001%
NH4+: ≤0.005%
Na: ≤0.02%
heavy metals: ≤0.01
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