AOAC Official Method 937.04 Lactic Acid in Wines
First Action 1937
Final Action
Transfer 25 mL test portion to 250 mL volumetric flask, add ca 25mLH2Oand 100mLalcohol, and shake vigorously. Dilute to volume with alcohol and filter through folded paper. Transfer 200 mL filtrate to 400mLbeaker and evaporate to ca 25 mL. Add 50mLH2O and again evaporate to 25 mL. Transfer material to continuous extractor with 25 mL H2O and proceed as in 937.05D and E (see 33.2.08).
Reference: JAOAC 20, 605(1937).
CAS-50-21-5 (lactic acid)
