Table 6. The z-scores of vitamin B₆ and B₁₂ analyses obtained in the proficiency test (FAPAS)

Sample	Analytes	Assigned value	Analytical value	z-Score
211241)	Vitamin B6 (pyridoxine)	874 μg/100 g	887 μg/100 g	0.1
	Vitamin B12 (cyanocobalamin)	0.847 μg/100 g	0.663 μg/100 g	-1.0

21124, vitamins in powdered baby food.