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60508
Kaliumdisulfid
BioUltra, ≥97.0% (RT)
Synonym(e):
Kaliummetabisulfit, Kaliumpyrosulfit
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Über diesen Artikel
grade
reagent grade
Quality Segment
product line
BioUltra
assay
≥97.0% (RT)
impurities
insoluble matter, passes filter test
pH
2.5-4.5 (25 °C, 0.1 M in H2O)
solubility
H2O: 0.1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 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: ≤1000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
absorption
cut-off at 308 nm in H2O at 0.1 M
SMILES string
[K+].[K+].[O-]S(=O)S([O-])(=O)=O
InChI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
Application
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description BioUltra, ≥97.0% (RT) | description puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide | description puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide | description ≥98% |
| assay ≥97.0% (RT) | assay 95.0-101.0% (iodometric) | assay 95.0-101.0% (iodometric) | assay ≥98% |
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility - | solubility - | solubility - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| grade reagent grade | grade puriss. | grade puriss. | grade - |
| impurities insoluble matter, passes filter test | impurities residual solvents, in accordance, organic volatile impurities, complies (GC), 51.8-57.6% sulfur dioxide, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3) | impurities residual solvents, in accordance, organic volatile impurities, complies (GC), 51.8-57.6% sulfur dioxide, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3) | impurities - |
| anion traces chloride (Cl-): ≤50 mg/kg | anion traces chloride (Cl-): ≤100 mg/kg | anion traces chloride (Cl-): ≤100 mg/kg | anion traces - |
| assay ≥97.0% (RT) | assay 95.0-101.0% (iodometric) | assay 95.0-101.0% (iodometric) | assay ≥98% |
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility - | solubility - | solubility - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| grade reagent grade | grade puriss. | grade puriss. | grade - |
| impurities insoluble matter, passes filter test | impurities residual solvents, in accordance, organic volatile impurities, complies (GC), 51.8-57.6% sulfur dioxide, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3) | impurities residual solvents, in accordance, organic volatile impurities, complies (GC), 51.8-57.6% sulfur dioxide, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3) | impurities - |
| anion traces chloride (Cl-): ≤50 mg/kg | anion traces chloride (Cl-): ≤100 mg/kg | anion traces chloride (Cl-): ≤100 mg/kg | anion traces - |
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Signalwort
Danger
supp_hazards
Lagerklasse
11 - Combustible Solids
Was ist los?
WGK 1
PSA (Persönliche Schutzausrüstung)
dust mask type N95 (US), Eyeshields, Gloves
Gefahrencodes
Sicherheitshinweise
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
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