Precision data - vitamin K1

EN 14148:

Table 1. Results of the interlaboratory tests, part 1.

	UHT whole liquid milk, non-fortified	Goat whole milk powder, non-fortified	Milk-based infant formula oil-filled, fortified	Whey-based infant formula, partially oil-filled, fortified
Repeatability standard deviation sr, µg/100 g	0,04	0,21	5,00	1,54
Repeatability coefficient of variation, %	9,03	3,23	4,24	4,77
Repeatability limit r = [2,8 x sr], µg/100 g	0,12	0,60	14,01	4,31
Reproducibility standard deviation sR, µg/100 g	0,05	0,39	6,50	2,14
Reproducibility coefficient of variation, %	10,94	5,81	5,50	6,63
Reproducibility limit r = [2,8 x sR], µg/100 g	0,15	1,08	18,19	5,98

Results obtained in 1998.

Table 2. Results of the interlaboratory tests, part 2.

	Soy-based infant formula, oil-filled, fortified	Whey-based infant formula, oil-filled, fortified	Whey-based infant formula, partially oil-filled, fortified	NIST SRM 1846, infant formula
Repeatability standard deviation sr, µg/100 g	2,04	2,54	4,04	5,38
Repeatability coefficient of variation, %	2,59	5,11	4,44	5,68
Repeatability limit r = [2,8 x sr], µg/100 g	5,71	7,11	11,32	15,05
Reproducibility standard deviation sR, µg/100 g	3,40	3,80	4,14	6,41
Reproducibility coefficient of variation, %	4,33	7,66	4,56	6,78
Reproducibility limit r = [2,8 x sR], µg/100 g	9,53	10,65	11,60	17,95

Results obtained in 1998.