Table T2. Recovery ratio of acid digestion procedure using two reference materials (JA-3 and JMS-1).
JA-3 | JMS-1 | ||||
---|---|---|---|---|---|
Recovery (%) |
Measurement error (%) |
Recovery (%) |
Measurement error (%) |
||
Major elements: | |||||
Al | 100 | 3.4 | 86 | 4.4 | |
Ca | 94 | 1.0 | 92 | 3.9 | |
Fe | 95 | 2.1 | 90 | 1.3 | |
K | 94 | 2.8 | 87 | 0.9 | |
Mg | 98 | 0.5 | 93 | 2.0 | |
Na | 90 | 2.4 | 88 | 2.4 | |
Minor elements: | |||||
Ba | 97 | 1.4 | 95 | 4.9 | |
Mn | 98 | 2.3 | 92 | 0.9 | |
Sr | 96 | 0.9 | 91 | 2.9 | |
Zn | 100 | 1.0 | 90 | 0.9 | |
Cr | 98 | 1.3 | 95 | 1.7 | |
Li | 90 | 2.5 | 90 | 2.3 |
Measurement errors: relative standard deviation = 1σ, n = 3.
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