Division 4.5.1 Standard solution AF1
United Kingdom
Stock solution of trans-anethole (concentration: 2 g/l)
Weigh 40 mg of trans-anethole (4.2) in a 20 ml volumetric flask (or 400 mg in 200 ml, etc.). Add some 96 % ethanol (4.1) and make up to volume with 45 % vol. ethanol (4.4), mix thoroughly.