BS ISO 20634:2015 Infant formula and adult nutritionals. Determination of vitamin B12 by reversed phase high performance liquid chromatography (RP-HPLC)
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
BS ISO 20634:2015 history
2015BS ISO 20634:2015 Infant formula and adult nutritionals. Determination of vitamin B12 by reversed phase high performance liquid chromatography (RP-HPLC)