Choline and Inositol by HPLC-ESLD

STM-1.26

Choline bitartrate by HPLC-UV

STM-1.35

Choline by LC-MS

STM-1.33

Folic acid and 5-MTHF by USP HPLC-UV

STM-1.37

Folic acid and riboflavin by HPLC-UV

STM-1.40

Inositol and Choline by GC-FID

STM-1.25

Inositol hexanicotinate by HPLC-UV

STM-1.24

Iodine and bromie by ICP-MS

STM-1.47

Iodine by AOAC-Titration

STM-1.29

Iodine by HPLC-PDA

STM-1.45

Minerals by AA or ICP

STM-1.28

PABA by HPLC-UV

STM-1.43