Uncertainty resulting in IDMS and SA-IDMS determination.

Sample No.	Quantitative methods	Content(μg/g)	/%	/%	/%	/%	/%	/%（k=2）	(ng/g)（k=2）
1	IDMS	1.355	0.98	0.949	0.073	/	1.366	2.73	0.037
1	SA-IDMS	1.377	1.34	0.949	0.073	3.063	3.476	6.95	0.096
2	IDMS	4.359	0.95	0.949	0.073	/	1.345	2.69	0.117
2	SA-IDMS	4.457	1.44	0.949	0.073	3.008	3.468	6.94	0.309

Table 5: Uncertainty resulting in IDMS and SA-IDMS determination.