Sigma-Aldrich Potassium Hexacyanoferrate

Grade

ACS reagent

Quality Level

300

Agency

reag. Ph. Eur.

Product Line

EMSURE^®

Assay

≥99.0% (iodometric)

Form

solid

Impurities

≤0.005% Insoluble matter

Ph

6 (20 °C, 50 g/L in H₂O)

Solubility

464 g/L

Density

1.85 g/cm³at 20 °C

Related Categories

Salts

Application

• Silsesquioxane organofunctionalized with 4-amino-3-hydrazino-5-mercapto-1,2,4-triazole: Preparation and subsequent reaction with silver and potassium hexacyanoferrate(III) for detection of L-cysteine.: This study presents the preparation of a novel silsesquioxane composite functionalized with triazole, and its subsequent reaction with silver and potassium hexacyanoferrate(III). The resulting material is evaluated for its effectiveness in detecting L-cysteine, showcasing its potential in analytical chemistry applications (do Carmo et al., 2015).


• Concerted derivatization and concentration method with dispersive liquid-liquid microextraction for liquid chromatographic analysis of 5-hydroxyindoles in human serum.: This research discusses a novel approach for the analysis of 5-hydroxyindoles in human serum using liquid chromatography. The method involves derivatization and concentration via dispersive liquid-liquid microextraction, enhancing the detection capabilities in complex biological matrices (Hayama et al., 2013).


• Micro determination of cortisol and cortisone in umbilical cord blood by chemiluminescent high-performance liquid chromatography.: This paper focuses on the micro determination of cortisol and cortisone in umbilical cord blood using chemiluminescent HPLC. The study highlights the method′s sensitivity and precision for analyzing these important biomarkers (Hasegawa et al., 2010).


• Comparative study of different cross-linking agents for the immobilization of functionalized carbon nanotubes within a chitosan film supported on a graphite-epoxy composite electrode.: This study evaluates various cross-linking agents for immobilizing functionalized carbon nanotubes within a chitosan film on a composite electrode. The findings have significant implications for enhancing electrode performance in electrochemical sensors (Pauliukaite et al., 2009).


• Thin layer chromatography/fluorescence detection of 3,4-methylenedioxy-methamphetamine and related compounds.: This research explores the detection of MDMA and related compounds using thin-layer chromatography coupled with fluorescence detection. The method provides a reliable analytical technique for forensic applications (Kato et al., 2008).

Linkage

Replaces: PX1455; PX1455-1; PX1455-2; PX1455-4

Analysis Note

Assay (iodometric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Hexacyanoferrate (II) (Fe(CN)6)⁴⁻): ≤ 0.05 %
Pb (Lead): ≤ 0.002 %
Corresponds to ACS,Reag. Ph EurEMSURE is a registered trademark of Merck KGaA, Darmstadt, GermanyGHS07,GHS09H319 - H411P264 - P273 - P280 - P305 + P351 + P338 - P337 + P313 - P391EUH032