| 文件 | 时间 | 大小 | 下载 | |
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01.海带中碘元素的分离及检验...mp4 | 2024-07-01 17:57:55 | 305.65 MB | |
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02.用纸层析法分离铁和铜离子...mp4 | 2024-07-01 17:57:55 | 325.5 MB | |
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03.硝酸钾晶体的制备...mp4 | 2024-07-01 17:57:55 | 321 MB | |
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04.铝及化合物的性质...mp4 | 2024-07-01 17:57:55 | 407.21 MB | |
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05.乙醇和苯酚的性质...mp4 | 2024-07-01 17:57:55 | 288.84 MB | |
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06.牙膏和火柴头中某些成分的检验...mp4 | 2024-07-01 17:57:55 | 295.68 MB | |
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07.亚硝酸钠和食盐的鉴别...mp4 | 2024-07-01 17:57:55 | 353.69 MB | |
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08.硫代硫酸钠与酸反应速率的影响因素...mp4 | 2024-07-01 17:57:55 | 312.18 MB | |
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09.催化剂对过氧化氢分解反应速率的影响因素...mp4 | 2024-07-01 17:57:55 | 350.21 MB | |
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10.反应条件对化学平衡的影响...mp4 | 2024-07-01 17:57:55 | 363.78 MB | |
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11.原电池...mp4 | 2024-07-01 17:57:55 | 309.58 MB | |
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12.金属的电化学腐蚀与防护...mp4 | 2024-07-01 17:57:55 | 300.18 MB | |
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13.电解原理...mp4 | 2024-07-01 17:57:55 | 287.32 MB | |
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14.氯碱工业...mp4 | 2024-07-01 17:57:55 | 272.67 MB | |
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15.铜的电解精炼和电镀...mp4 | 2024-07-01 17:57:55 | 308.26 MB | |
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16.食醋中总酸含量的测定...mp4 | 2024-07-01 17:57:55 | 317.64 MB | |
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17.镀锌铁皮镀层厚度的测定...mp4 | 2024-07-01 17:57:55 | 350.67 MB | |
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18.硫酸亚铁铵的制备...mp4 | 2024-07-01 17:57:55 | 315.94 MB | |
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19.阿司匹林的合成...mp4 | 2024-07-01 17:57:55 | 322.78 MB |