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Merck
CN

60361

Potassium bisulfate

puriss. p.a., ≥99.0% (T)

Synonym(s):

Potassium hydrogen sulfate

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About This Item

Linear Formula:
KHSO4
CAS Number:
Molecular Weight:
136.17
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-594-1
MDL number:
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grade

puriss. p.a.

assay

≥99.0% (T)

impurities

≤0.001% total nitrogen (N)

mp

214 °C (lit.)

density

2.32 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg, phosphate (PO43-): ≤10 mg/kg

cation traces

Ag: ≤5 mg/kg, Al: ≤20 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤20 mg/kg, Tl: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

[K+].OS([O-])(=O)=O

InChI

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

InChI key

CHKVPAROMQMJNQ-UHFFFAOYSA-M

Other Notes

Reagent for the decomposition of basic metal oxides by fusion


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Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)