Sigma-Aldrich 402931 Potassium fluoride ACS reagent, ≥99.0% CAS No.: 7789-23-3 100 gr

Category

Diğer Analitik Kimyasallar , Tuzlar

Brand

SIGMA-ALDRICH

Stock Code

LB.SA.402931-100G

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

Teklif Sepetine Ekle

Stok Sorunuz

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

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 (SO₄^2-): ≤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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