The result of scale inhibition and dispersancy test inhicated that: polyaspartic acid had poor ability on calcium phosphate scale inhibition, zincil salt stabilization, and ferric oxide dispersancy.

• 结果发现：聚天冬氨酸对碳酸钙具有优良的阻垢性能，而抑制磷酸钙垢沉积，稳定锌盐和分散氧化铁的能力不佳。