EDXRF data of Br, Fe, Rb, Sr, and Zn contents in the IAEA H-4 (animal muscle) reference material compared to certified values (mg/kg, dry mass basis).

Table 1: EDXRF data of Br, Fe, Rb, Sr, and Zn contents in the IAEA H-4 (animal muscle) reference material compared to certified values (mg/kg, dry mass basis).

Element	Certified values			This work results
	Mean	95% confidence interval	Type	Mean ± SD
Fe	49	47 - 51	C	48 ± 9
Zn	86	83 - 90	C	90 ± 5
Br	4.1	3.5 - 4.7	C	5.0 ± 1.2
Rb	18	17 - 20	C	22 ± 4
Sr	0.1	-	N	< 1

< 1 Mean: Arithmetical Mean; SD: Standard Deviation; C: Certified Values; N: Non-Certified Values.