Citation: Zhi Long SHEN. A COMPARISON BETWEEN THE pzc AND iep OF α-FeOOH AQUEOUS SUSPENSION[J]. Chinese Chemical Letters, ;1993, 4(10): 935-936. shu

A COMPARISON BETWEEN THE pzc AND iep OF α-FeOOH AQUEOUS SUSPENSION

Zhi Long SHEN

Beijing Institute of Light Industry, Beijing 100037

Received Date: 29 May 1993

The salt titration of goethite (α-FeOOH) aqueous suspension had been carried out with the addition of solid NaCl at several different starting pH values and the point of zero charge (pzc) was estimated. Then the electrophoretic mobilities of positively charged αFeOOH particles dispersed in NaCl solution were measured as a function of pH to obtain the isoelectric point (iep). The two parameters were compared.
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