Journal of Analytical Science and Technology

Table 2 ¹⁸²W/¹⁸⁶W and ¹⁸⁰Hf/¹⁸⁶W ratios of NIST SRM610 glass

From: Hf-W dating of zircon in mesosiderite with high-pressure sintered standard

No.	¹⁸²W/¹⁸⁶W		2σError*	¹⁸⁰Hf/¹⁸⁶W
1	0.890	±	0.020	4.54
2	0.933	±	0.018	3.37
3	1.070	±	0.020	4.33
4	0.973	±	0.018	3.93
5	0.907	±	0.012	4.31
6	0.883	±	0.018	4.39
Ave.	0.943			4.14
Std.	0.140			0.43

*The error is estimated by a standard deviation of 100 data set of 182W/186W ratio measured by NanoSIMS

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