Description

• Application: Calixarene based portable sensor for the direct assay of indiscriminate ephedrine content of weight loss herbal preparations.: Tungstophosphoric acid hydrate is utilized as a proton conductor in the development of a calixarene-based sensor, enabling precise detection of ephedrine in herbal products, showcasing its application in analytical chemistry for public health safety (Wahba et al., 2021). A New Solid-State Proton Conductor: The Salt Hydrate Based on Imidazolium and 12-Tungstophosphate.: This article presents tungstophosphoric acid hydrate as a key component in a novel solid-state proton conductor, offering significant advancements in materials science for fuel cells and other energy applications (Martinelli et al., 2021). Location, acid strength, and mobility of the acidic protons in Keggin 12-H3PW12O40: a combined solid-state NMR spectroscopy and DFT quantum chemical calculation study.: The research investigates the acidic properties and proton mobility of tungstophosphoric acid hydrate using advanced NMR and DFT techniques, providing valuable insights for catalysis and materials science (Yang et al., 2005).
• Linkage: Replaces: PX1055; PX1055-4
• Analysis Note: Chloride (Cl): ≤ 50 ppmSulfate (SO₄): ≤ 100 ppmCu (Copper): ≤ 10 ppmFe (Iron): ≤ 20 ppmK (Potassium): ≤ 200 ppmNa (Sodium): ≤ 200 ppmPb (Lead): ≤ 20 ppmLoss on ignition (750 °C): ≤ 17 %
• Legal Information: EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany