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Potassium iodide for hydrological tracing
APPLICATIONS L’Potassium iodide is an inorganic compound with the chemical formula KI. It takes the form of a white crystalline solid made up of potassium K+ and iodide I- ions. Less hygroscopic than sodium iodide NaI, it is easier to handle. It takes on a yellowish hue when it contains impurities or when aged, as the iodide ions I- oxidize to iodine I2 on prolonged contact with air.
Iodide ions in aqueous solution are colorless and non-toxic to humans and the environment..Their different chemical properties enable them to take part in several types of reactions :• In organic chemistry, the iodide ion is a strong nucleophile (electron donor site), often involved in substitution reactions.• In complex chemistry, the iodide ion tends to form complexes easily or even precipitate, particularly with Ag+ ions, which can be used in assays.• In redox reactions, I- is the reducing agent in the I2/I- couple. Diiodine I2 is detectable by spectrophotometric measurements due to its yellow color in aqueous media.
MAIN CHARACTERISTICS :Chemical name: Potassium iodideQuality: Extra PureMolecular formula: KIChemical structure: K+I-CAS number: 7681-11-0EC number: 231-659-4Shelf life : 2 yearsCharacteristics Potassium identification: PositiveIodide identification : PositiveAssay : 99.0 - 100.5Loss on drying at : 1.0% maxHeavy metals : 10 ppm maxSulfate : 150 ppm maxIron : 20 ppm max
SYNOPTIQUE DES TRACEURS FLUORESCENTS
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Potassium Iodide Powder
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