221325
Potassium sulfate
ACS reagent, ≥99.0%, powder or crystals
About This Item
Recommended Products
grade
ACS reagent
Quality Level
Assay
≥99.0%
form
powder or crystals
impurities
≤0.01% insolubles
≤5 ppm N compounds
pH
5.5-5.8 (25 °C, 5%)
anion traces
chloride (Cl-): ≤0.001%
cation traces
Ca: ≤0.01%
Fe: ≤5 ppm
Mg: ≤0.005%
Na: ≤0.02%
heavy metals: ≤5 ppm (by ICP)
SMILES string
[K+].[K+].[O-]S([O-])(=O)=O
InChI
1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
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This Item | 12658 | P9458 | 1.05151 |
---|---|---|---|
≥99.0% | 99-101% | ≥99.0% | - |
ACS reagent | - | - | - |
≤0.01% insolubles, ≤5 ppm N compounds | acidity or alkalinity, in accordance, residual solvents, complies, ≤0.001% heavy metals (as Pb) | ≤0.005% Phosphorus (P), ≤0.1% Insoluble matter | - |
Ca: ≤0.01%, Mg: ≤0.005%, heavy metals: ≤5 ppm (by ICP), Fe: ≤5 ppm, Na: ≤0.02% | As: ≤2 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg, Mg: ≤20 mg/kg, Na: ≤100 mg/kg | Al: ≤0.0005%, Ca: ≤0.01%, Cu: ≤0.0005%, Fe: ≤0.0005%, Mg: ≤0.0005%, NH4+: ≤0.05%, Na: ≤0.01%, Pb: ≤0.001%, Zn: ≤0.0005% | - |
chloride (Cl-): ≤0.001% | chloride (Cl-): ≤20 mg/kg | chloride (Cl-): ≤0.001% | - |
General description
Application
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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