A STUDY OF THE INHIBITIVE ACTION OF POTASSIUM CHROMATE ON ALUMINIUM IN PHOSPHORIC ACID

J Chin Soc Corr Pro

1988, Vol. 8

Issue (4): 335-339 DOI:

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A STUDY OF THE INHIBITIVE ACTION OF POTASSIUM CHROMATE ON ALUMINIUM IN PHOSPHORIC ACID

Mu Cuannan (Department of Chemistry; Yunnan Universitgy) Zhao Tianpei (Kunming Institute of Technology)

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Abstract 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.

Received: 25 August 1988

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Mu Cuannan (Department of Chemistry; Yunnan Universitgy) Zhao Tianpei (Kunming Institute of Technology). A STUDY OF THE INHIBITIVE ACTION OF POTASSIUM CHROMATE ON ALUMINIUM IN PHOSPHORIC ACID. J Chin Soc Corr Pro, 1988, 8(4): 335-339.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1988/V8/I4/335

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