The dissolution rate of naked Al sbeet in the acidic solutions containing polybutadienoic acid(PBA) with pH vaIue of 0. 3～3. 0 at 20～60℃ has been determined by eIectrometry and gravimetry methods. The form of elect...The dissolution rate of naked Al sbeet in the acidic solutions containing polybutadienoic acid(PBA) with pH vaIue of 0. 3～3. 0 at 20～60℃ has been determined by eIectrometry and gravimetry methods. The form of electroactive Al (m ) ions occurred on the anode and the behavior of electrocoagulation ofPBA have been approached. The results lndlcate that the superlor condltlon of electrocoagulation of watersoIuble nonsaturable low polymer PBA is the adoption of the eIectroactive Alions occurred in electrolytecontaining 1. 0 g. L-l PBA + 0. 2 mol' L-1 C'H,O, cltrlc acld with pH value of 3. 0 at 30℃. The mechanismof corrosion-inhibited 0r electrocoagulation resulted from the electroactive Al (lI) ions coordinate -COOHgroup of PBA and free l0ns of citric groups iuto the aluminum soaps with bicyclic structure are briefly discussed in tkis paper.展开更多
文摘The dissolution rate of naked Al sbeet in the acidic solutions containing polybutadienoic acid(PBA) with pH vaIue of 0. 3～3. 0 at 20～60℃ has been determined by eIectrometry and gravimetry methods. The form of electroactive Al (m ) ions occurred on the anode and the behavior of electrocoagulation ofPBA have been approached. The results lndlcate that the superlor condltlon of electrocoagulation of watersoIuble nonsaturable low polymer PBA is the adoption of the eIectroactive Alions occurred in electrolytecontaining 1. 0 g. L-l PBA + 0. 2 mol' L-1 C'H,O, cltrlc acld with pH value of 3. 0 at 30℃. The mechanismof corrosion-inhibited 0r electrocoagulation resulted from the electroactive Al (lI) ions coordinate -COOHgroup of PBA and free l0ns of citric groups iuto the aluminum soaps with bicyclic structure are briefly discussed in tkis paper.
