Hanna-instruments HI 903 Bedienungsanleitung PDF herunterladen (Seite 130)

9-2

METHODS OPTIMIZATION

9.2.4 Liquid Samples ........................................................................................ 9-11

9.2.5 Sample Preparation Techniques ................................................................... 9-12

9.2.5.1 Internal Extractions .........................................................................................9-12

9.2.5.2 Dilutions ..........................................................................................................9-12

9.2.5.3 External Dissolution .........................................................................................9-13

9.2.5.4 External Extractions.........................................................................................9-13

9.2.5.5 Homogenization ..............................................................................................9-14

9.2.5.6 Heating...........................................................................................................9-14

9.3 Karl Fischer Reagent System................................................................ 9-15

9.3.1 Reagent System Classification ................................................................... 9-15

9.3.1.1 One-Component Reagent Systems ..................................................................9-15

9.3.1.2 Two-Component Reagent Systems ..................................................................9-15

9.3.1.3 Reagents for Aldehydes and Ketones ...............................................................9-15

9.3.2 Choosing and Modifying a Solvent ............................................................... 9-16

9.3.3 Water Standards ......................................................................................... 9-16

9.3.4 Standardizing the Titrant ............................................................................. 9-17

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Hanna-instruments HI 903 Bedienungsanleitung Seite 130