BEHR VAE 6
The method for the determination of vitamin A and vitamin E in foodstuffs by high-performance liquid chromatography (HPLC) is effected in accordance with DIN EN 12823-1 and DIN EN 12822. The sample preparation takes place in the behrotest saponification unit. Since the samples are sensitive to atmospheric oxygen, the samples are saponified under reflux preferably under a nitrogen atmosphere.
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