Beschrijving
Potassium fluoride solution is a 25 % w/v laboratory reagent of potassium fluoride (CAS 7789-23-3), empirical formula KF, molar mass 58,10 g/mol. The product is supplied as 1 l in a plastic bottle and is specified with a density of 1,18 g/cm³ and a boiling point of 100 °C. EG number 232-151-5 identifies the substance in European chemical inventories. The 25 % w/v concentration means 25 g of potassium fluoride per 100 ml of solution, which supports volumetric dispensing and subsequent dilution to working strengths. Density and molar mass enable conversion among volume, mass and amount of substance when calculating fluoride content or preparing standards. This solution, from manufacturer Carl ROTH, is intended for chemical laboratory use as a potassium fluoride stock and fluoride-ion source. Packing in plastic at the 1 l scale facilitates bench handling and transfer into smaller vessels. Operators can use the listed boiling point and density when planning heating, mixing and volumetric work.
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