Precision data - niacin

Matrix parameter	Milk powder (fortified)	Milk powder (not fortified)	Chocolate cereals (fortified)	Chocolate cereals (not fortified)	Ham (not fortified)	Wheat flour (not fortified)	Green peas (not fortified)	Breakfast cereals (fortified)	Fruit juice (fortified)	Lyophilized green peas with ham (not fortified)	Lyophilized soup (not fortified)
Repeatability RSDr, acid hydrolyses	2,8 %		1,1 %		1,1 %	3,9 %	5,6 %
Reproducibility RSDR, acid hydrolyses	4,3 %		4,3 %		3,7 %	29,2 %	22,0 %
Repeatability RSDr, enzymatical hydrolyses	2,9 %		2,9 %		1,4 %	2,6 %	2,0 %
Reproducibility RSDR, enzymatical hydrolyses	4,3 %		5,1 %		7,7 %	59,2 %	11,9 %
Repeatability RSDr, acid/alkaline hydrolyses		5,7 %		4,7 %				3,4 %	4,0 %	4,9 %	1,7 %
Reproducibility RSDR, acid/alkaline hydrolyses		17,6 %		14,6 %				17,2 %	4,5 %	18,1 %	11,2 %

Precision data from EN 15652: