Composition analysis of two batches of polysorbate 60 using MS and NMR techniques.


Batch variation in Tween 60 has shown to influence the rheological properties of semisolid emulsions. MS (LC-MS, GC-MS, MS(n)) and NMR ((13)C, (1)H, (1)H COSY and HMBC) techniques were used to analyze and compare the composition of two batches of Tween 60 with particular emphasis on the number of POE groups and their distribution within the molecule. Acid… (More)


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