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Is lactic acid presenrt milk if yes then at what percent |
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Answer» 9 ml of the milk measured into the porcelain dish/conical flask,1 ml PHENOPTHALEIN is added and then slowly from the burret, 0.1 N Sodium hydroxide under continuous mixing, until a FAINT pink COLOUR appears. The number of mls of Sodium hydroxide solution divided by 10 expresses the percentage of lactic ACID. |
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