Summary and conclusions:
The validation of the method has shown satisfactory specificity for the tested ma-
trices. The calibration curves is linear for choline and it is going through the zero
point (0;0). The precision experiments showed an acceptable RSD%, which was
set to 5 %. The
comparison between ‘this method’ and the values on the certified
reference materials showed no significant differences. It is therefore concluded
that ‘this method’ provides accurate results. Finally, ‘this method’ showed good
robustness against the tested parameters.
In general, we believe that the validation has been satisfactory.
Eurofins Steins Laboratory A/S
Vitamin Competence Centre
28. of June 2013
6600 Vejen, Denmark
Lars T. Tanderup
M.Sc. Chemistry
Carn-06 (Choline Validation Report)
FOR ERP USE ONLY
DO NOT DISTRIBUTE