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通过热天平分析对ＣａＳ的形成及其稳定性进行了试验研究，结果表明，ＣａＯ转变为ＣａＳ容易使其转变率更大，ＣａＳ在高温下转变为ＣａＳＯ４的速率很大，但在低温下却相当慢，但不会造成二次污染。图６参４
The formation and stability of CaS were studied by thermobalance analysis. The results show that the conversion rate of CaO to CaS tends to be larger, CaS is converted to CaSO4 at high temperature, but it is comparable at low temperature Slow, but will not cause secondary pollution. Figure 6 Senate 4