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Using the pretreatment method of alkali dissolution acidification and matrix matching method, a working curve is established under the optimal instrument parameters. The contents of impurity elements such as silicon, magnesium, iron, copper, manganese and zinc in aluminum silicon alloy are determined by inductively coupled plasma emission spectrometer. Element interference test and solution acidity test are conducted to determine the detection limits of each element as silicon element 0.009 7%, magnesium element 0.005 3 %, iron element 0.004 4%, copper element 0.001 6%, manganese element 0.000 3%, zinc element 0.000 7%. The repeatability and accuracy of the curve are verified, and the spiked recovery rate of the measured samples is 94% to 106%.
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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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