The new HPLC method using monolithic technology for simultaneous determination of vitamin D2, D3, 25(OH)D3 and retinol and alpha-tocopherol in human serum

Abstrakt

The new HPLC method was developed for separation of D2, D3 and 25(OH)D3, retinol and alpha-tocopherol in human serum; the tocol was used as internal standard