Division 2 PROCEDURE
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- 2.1Preparation of the test sample
- 2.2Test portion
- 2.3Preparation of the extraction thimble
- 2.4Peliminary drying
- 2.5Preparation of the round-bottomed flask
- 2.6Initial extraction
- 2.7Second extraction
- 2.8Removal of solvent and weighing of extract