Fruit and vegetable juices. Determination of phosphorus content. Spectrometric method.
Fruit and vegetable juices. Determination of total dry matter. Gravimetric method with loss of mass on drying.
Fruit and vegetable juices. Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS).
Fruit and vegetable juices. Determination of centrifugable pulp content.
Fruit and vegetable juices. Determination of total carotenoid content and individual carotenoid fractions.
Apple juice, apple juice concentrates and drinks containing apple juice -- Determination of patulin content -- Part 1: Method using high-performance liquid chromatography
适用范围:The principle of the method specified is extraction of patulin from a test portion using ethyl acetate followed by partitioning of the extract with aqueous sodium carbonate solution, qualitative and qu...
发布日期:1993-06-01 实施日期:1993-06-01
Fruit and vegetable juices. Determination of the free amino acids content. Liquid chromatographic method.
Apple juice, apple juice concentrates and drinks containing apple juice -- Determination of patulin content -- Part 2: Method using thin-layer chromatography
适用范围:The principle of the method specified is extraction of patulin in a mixture of ethyl acetate and chloroform (3:2 by volume), filtration of the extract on a silica-gel column and qualitative and quantit...
发布日期:1993-06-01 实施日期:1993-06-01
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