Fig. 3.
Effect of NaBH4 concentration on mercury signal, without the gold column. (−●−) C1 gasoline, (−■−) C2 gasoline, both spiked with a mercury concentration of 6.0 μg L− 1, and (−▲−) standard solution in ethanol containing 6.0 μg Hg L− 1. Retention, pyrolysis and atomization temperatures used were, respectively, 100 °C, 150 °C and 800 °C.
Fig. 3. Effect of NaBH4 concentration on mercury signal, without the gold column. (−●−) C1 gasoline, (−■−) C2 gasoline, both spiked with a mercury concentration of 6.0 μg L− 1, and (−▲−) standard solution in ethanol containing 6.0 μg Hg L− 1. Retention, pyrolysis and atomization temperatures used were, respectively, 100 °C, 150 °C and 800 °C.
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