Correction of spike contribution for strontium isotopic measurement by thermal ionization mass spectrometry: a test for spike-standard mixed solutions

Journal of Analytical Science and Technology

Table 1 Correction results for the spike-standard mixed solutions

	86/88_m	% SE	84/86_m	% SE	84/86_c	87/86_m	% SE	87/86_s	2 σ SE	Spike wt.%
Mix 1	0.12090	0.0068	8.4583	0.0050	8.5427	0.705574	0.0011	0.707582	0.000016	45.1
Mix 2	0.12034	0.0089	3.6918	0.0094	3.7076	0.706777	0.0009	0.707634	0.000013	25.9
Mix 3	0.12030	0.0048	2.4858	0.0051	2.4929	0.707068	0.0010	0.707640	0.000014	18.9
Mix 4	0.12032	0.0049	1.9667	0.0050	1.9711	0.707165	0.0009	0.707615	0.000013	15.5
Mix 5	0.11982	0.0179	1.5658	0.0187	1.5686	0.707292	0.0010	0.707644	0.000014	12.6
Mix 6	0.12016	0.0016	1.2043	0.0022	1.2059	0.707349	0.0010	0.707618	0.000014	9.9
Mix 7	0.11983	0.0034	0.7787	0.0030	0.7794	0.707469	0.0008	0.707638	0.000011	6.5
Mix 8	0.11976	0.0143	0.4234	0.0147	0.4236	0.707568	0.0010	0.707653	0.000014	3.4
Mix 9	0.12023	0.0185	0.2831	0.0103	0.2832	0.707593	0.0010	0.707646	0.000014	2.1
Mix 10	0.11983	0.0145	0.2071	0.0173	0.2072	0.707575	0.0010	0.707610	0.000014	1.4
Average^a								0.707633
SD^a								0.000015
2σ SE^a								0.000010