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60508
Potassium disulfite
BioUltra, ≥97.0% (RT)
Synonim(y):
Potassium metabisulfite, Potassium pyrosulfite
Wybierz wielkość
| Rozmiar/SKU | Dostępność | Cena netto |
|---|---|---|
250 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 309,00 zł |
Informacje o tej pozycji
309,00 zł
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
Ta pozycja | |||
|---|---|---|---|
| description BioUltra, ≥97.0% (RT) | description analytical standard | description analytical standard | description puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide |
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility H2O: 200 mg/mL, clear to very slightly hazy, colorless | solubility H2O: 200 mg/mL, clear to very slightly hazy, colorless | solubility - |
| assay ≥97.0% (RT) | assay ≥98% (RT) | assay ≥98% (RT) | assay 95.0-101.0% (iodometric) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade reagent grade | grade analytical standard | grade analytical standard | grade puriss. |
| pH 2.5-4.5 (25 °C, 0.1 M in H2O) | pH - | pH - | pH 3.5-4.5 (20 °C, 5%) |
| cation traces Cd: ≤5 mg/kg, Mn: ≤5 mg/kg, Pb: ≤5 mg/kg, Ni: ≤5 mg/kg, As: ≤0.1 mg/kg, Al: ≤5 mg/kg, Co: ≤5 mg/kg, Ca: ≤10 mg/kg, Na: ≤1000 mg/kg, Fe: ≤5 mg/kg, Ba: ≤5 mg/kg, Mg: ≤5 mg/kg, Bi: ≤5 mg/kg, Cr: ≤5 mg/kg, Zn: ≤5 mg/kg, Sr: ≤5 mg/kg, Mo: ≤5 mg/kg, Li: ≤5 mg/kg, Cu: ≤5 mg/kg | cation traces - | cation traces - | cation traces Zn: ≤20 mg/kg, Se: ≤5 mg/kg, Pb: ≤2 mg/kg, Hg: ≤1 mg/kg, As: ≤2 mg/kg, Cu: ≤20 mg/kg, Fe: ≤10 mg/kg |
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility H2O: 200 mg/mL, clear to very slightly hazy, colorless | solubility H2O: 200 mg/mL, clear to very slightly hazy, colorless | solubility - |
| assay ≥97.0% (RT) | assay ≥98% (RT) | assay ≥98% (RT) | assay 95.0-101.0% (iodometric) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade reagent grade | grade analytical standard | grade analytical standard | grade puriss. |
| pH 2.5-4.5 (25 °C, 0.1 M in H2O) | pH - | pH - | pH 3.5-4.5 (20 °C, 5%) |
| cation traces Cd: ≤5 mg/kg, Mn: ≤5 mg/kg, Pb: ≤5 mg/kg, Ni: ≤5 mg/kg, As: ≤0.1 mg/kg, Al: ≤5 mg/kg, Co: ≤5 mg/kg, Ca: ≤10 mg/kg, Na: ≤1000 mg/kg, Fe: ≤5 mg/kg, Ba: ≤5 mg/kg, Mg: ≤5 mg/kg, Bi: ≤5 mg/kg, Cr: ≤5 mg/kg, Zn: ≤5 mg/kg, Sr: ≤5 mg/kg, Mo: ≤5 mg/kg, Li: ≤5 mg/kg, Cu: ≤5 mg/kg | cation traces - | cation traces - | cation traces Zn: ≤20 mg/kg, Se: ≤5 mg/kg, Pb: ≤2 mg/kg, Hg: ≤1 mg/kg, As: ≤2 mg/kg, Cu: ≤20 mg/kg, Fe: ≤10 mg/kg |
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