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Sigma-Aldrich 402931 Potassium fluoride ACS reagent, ≥99.0% CAS No.: 7789-23-3 5 gr
Category
Brand
Stock Code
LB.SA.402931-5G
Kısa Bilgi
Linear Formula: KF CAS Number: 7789-23-3 Molecular Weight: 58.10 Beilstein: 3902818 EC Number: 232-151-5 MDL number: MFCD00011398 UNSPSC Code: 12352302 PubChem Substance ID: 329755971 NACRES: NA.21 grade: ACS reagent form: crystalline powder powder, crystals or chunks
| Sigma-Aldrich 402931 Potassium fluoride ACS reagent, ≥99.0% CAS No.: 7789-23-3 |
| Linear Formula: KF CAS Number: 7789-23-3 Molecular Weight: 58.10 Beilstein: 3902818 EC Number: 232-151-5 MDL number: MFCD00011398 UNSPSC Code: 12352302 PubChem Substance ID: 329755971 NACRES: NA.21 grade: ACS reagent form: crystalline powder,powder crystals or chunks |
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PROPERTIES
grade ACS reagent
Quality Level 200 vapor pressure 1.3 hPa ( 885 °C) Assay ≥99.0% form crystalline powder powder, crystals or chunks impurities ≤0.01 meq/g Titr. base ≤0.03 meq/g Titr. acid ≤0.1% K2SiF6 pH 8-9 (20 °C, 50 g/L) mp 858 °C (lit.) anion traces chloride (Cl-): ≤0.005% sulfate (SO42-): ≤0.005% cation traces Fe: ≤0.001% Na: ≤0.2% heavy metals: ≤0.001% (by ICP) SMILES string [F-].[K+] InChI 1S/FH.K/h1H;/q;+1/p-1 InChI key NROKBHXJSPEDAR-UHFFFAOYSA-M DESCRIPTION Application A versatile fluoride ion source used in a study of ion-specific swelling and de-swelling of ampholytic polymer gels, in the room temperature oxidation of noble metals in HF, and in the measurement of electronic polarizabilities of ions in polymers of alkali halides. |
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