融雪剂融雪的原理是(融雪剂融雪的原理是物理还是化学)

综合百科2023-03-11 00:31:11佚名

融雪剂溶于水(雪)后,其冰点在零度下,如氯化钠(食盐主要成分)溶于水后冰点在-10℃,氯化钙在-20℃左右,醋酸类可达-30℃左右。盐水的凝固点比水的凝固点低,因此在雪水中溶解了盐之后就难以再形成冰块。

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