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Outline
In this paper, the analytical method for determining trace mercury in technical hydrochloric acid with the inductively coupled plasma atomic emission spectrometry (ICP-AES) is established. The analytical spectral lines of element mercury are determined by experiment as well as the effects of acidity, power and accompanying ion on determining trace mercury are tested. The method is with such advantages as fast, accurate, high sensitivity and precision. Determine the trace mercury in technical hydrochloric acid with this method, the adding standard recovery is 93.0%~105.2%, RSD ≤ 6.84% and detection limit of this method is 0.001 2 μg/mL, which could meet the requirements for analysis and detection of trace mercury in technical hydrochloric acid.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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