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In the paper, the simultaneous determination for elements of vanadium, manganese, phosphorus and silicon in vanadium-carbon alloy is carried out with inductively coupled plasma-atomic emission spectrometry (ICP-AES), calibration curve is drawn with matrix matching method to eliminate the effects of matrix effects as well as instrument parameters are optimized. The precision experiment results showed that relative standard deviation (RSD, n = 11) for elements of vanadium, manganese, phosphorous and silicon was 0.5%~3.0%. The recovery rate experiment results showed that recovery rate was 95%~110% through adding standard solutions of different concentrations. The accuracy experiment results showed that the experimental results of each determination element were consistent with standard values, which could meet the requirements of detection method so that rapid and accurate determination for elements of vanadium, manganese phosphorus and silicon in vanadium-carbon alloy is realized.
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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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