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在常温下，大多数酸、金属、氯和溴与熔凝石英在一起时是不活动的，碱溶液可稍稍促动其活动，活动率随着温度和碱浓度的增高而增强。当温度超过150℃时，磷酸会侵蚀熔凝石英。而当氢氟酸单独存在时，在任何温度下都会侵蚀熔凝石英。碳和某些金属会减少熔凝石英；碱，性氧化物、碳酸盐、硫酸盐等会在升温情况下与石英产生化学反应。就一般而言。我们的结论是：熔凝石英是不十分活跃的。
在真空中能观察到各种原素和化合物随着温度不断增高而对熔凝石英产生的作用。将每一个抽样都置于最低温度中达一个小时，然後再置于较高的温度中一个小时，如此类推作比较。反应的程度当然也取决于时间的长短。 |
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| 表Ⅴ-熔凝石英在不断升高的温度下与所选择的元素和化合物反应的定性指南 |
| |
温度（℃） |
| 300 |
500 |
800 |
1000 |
1100 |
1200 |
1250 |
1300 |
1350 |
1400 |
1450 |
| 元素 |
Na |
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| Mg |
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| Ca |
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| Ba |
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| B |
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| Al |
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| Ti |
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| Zr |
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| V |
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| Nb |
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| Ta |
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| Cr |
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| Mo |
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| W |
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| Mn |
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| Fe |
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| Co |
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| Ni |
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| Cu |
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| Ag |
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| Zn |
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| Cd |
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| Hg |
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| C |
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| Si |
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| Sn |
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| Pb |
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| As |
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| Sb |
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| S |
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| Se |
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| Lr |
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| 氧化物 |
H2O |
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| MgO |
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| CaO |
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| Al2O2 |
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| SiO2 |
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| P2O3 |
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| M0O3 |
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| W0O3 |
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| ThO3 |
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| 氢氧化物 |
Sn(OH)2 |
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| Ba(OH)2 |
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| 碳酸盐 |
CaCO3 |
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| BaCO3 |
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| 滷化物 |
LiCl |
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| NaCl |
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| KCl |
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| RbCl |
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| CsCl |
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| NaBn |
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| KBn |
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| NaL |
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| KL |
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| MgCL2 |
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| CaCl2 |
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| SnCl2 |
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| BaCl2 |
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| AlCl3 |
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| 视觉检验结果 |
| 图例： |
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无变化 |
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无结晶体一但表面被测试所有材料覆膜或污染 |
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一些结晶斑点 |
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表面结晶 |
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严重结晶 |
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因结晶而失败 |
|
未在该温度测试 |
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