· A manual or automatic Karl Fischer titration apparatus can be used, and after appropriate steps for Karl Fischer titration calibration are taken, the sample of interest is titrated with the relevant titrant and coulometric data is collected (coulombs generated during the titration process) to determine the amount of water in the www.doorway.ruted Reading Time: 11 mins. The Volumetric Compact Karl Fischer Titrators have been designed for a wide range of water content applications: determinations from ppm to % water – fast and precisely. The titration vessel is optimized to retain a low drift value and offers the possibility to determine the water content of liquid, solid and gaseous www.doorway.ru Size: 2MB. THE BASICS OF KARL FISCHER TITRATION Karl Fischer titration is an analytical technique to measure the amount of water contained in various samples, which may be solid, liquid or gaseous. This method was originally developed in the s by German chemist Karl Fischer. Karl Fischer titration is based on a reaction between iodine and water in the presence of .
History of Karl Fischer Titration •Karl Fischer (Ma – Ap) was a German chemist •Published a method in to determine trace amounts of water in samples. This method is now called Karl Fischer titration. Abbreviations: KF or KFT •It remains the primary method of water content determination used worldwide by. A manual or automatic Karl Fischer titration apparatus can be used, and after appropriate steps for Karl Fischer titration calibration are taken, the sample of interest is titrated with the relevant titrant and coulometric data is collected (coulombs generated during the titration process) to determine the amount of water in the sample. This HYDRANAL™ Manual is intended to be a useful reference handbook for analysts performing routine Karl Fischer (KF) titration. It contains practical recommendations and is the culmination of over 40 years of diligent product development and close collaboration with our customers. We have tried to organize the information systematically.
Unique flexibility – up to 4 simultaneous titration of any type. Moisture measurement by Karl Fischer method has been adopted in the official analysis. During a titration, the titrant is added dropwise to the dissolved sample, either manually with a glass burette or with a titrator. The titration is complete. For safety reasons the Titration Unit TitroLine® KF may only be used Karl-Fischer (Dead-stop) connector for double platinum electrode.
0コメント