<正> 一、前言 近年来,人们对常用金属铁在酸中的腐蚀作了较多的研究,但对铝在磷酸中的腐蚀规律的研究还不多见。虽然Colegate等人也曾研究过铬酸钠对铝在磷酸溶液中的缓蚀作用,但未详细讨论动力学方程及动力学参数等重要问题。本工作采用经典的失重法,
The inhibitive action of K_2CrO_4 as an inhibtor for aluminium in H_3PO_4(1.0～5.0M) has been investigated between 30℃-50℃ by means of weight loss method. Curves drawn for reaction rates led to a kinetic expression for which the various parameters (K, A, B, E) were calculated. The inlaibitive characteristic of K_2CrO_4 on aluminium in H_3PO_4 was discussed.
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