Please use this identifier to cite or link to this item: https://doi.org/10.1016/0043-1354(90)90228-X
Title: Some further studies on factors affecting the leaching of lead from unplasticized poly (vinyl chloride) pipes
Authors: Wong, M.K. 
Gan, L.M. 
Koh, L.L. 
Lum, O.L.
Issue Date: Apr-1990
Source: Wong, M.K., Gan, L.M., Koh, L.L., Lum, O.L. (1990-04). Some further studies on factors affecting the leaching of lead from unplasticized poly (vinyl chloride) pipes. Water Research 24 (4) : 451-455. ScholarBank@NUS Repository. https://doi.org/10.1016/0043-1354(90)90228-X
Abstract: Several extractants were used to further study the leaching rate of lead from unplasticized poly (vinyl chloride) pipes under different temperatures. The effects of the concentration of extractant and extraction time on the leaching of lead were also investigated. The results show that the complexing agent (EDTA) extracts much more lead from the pipes than other extractants. The study also shows that the extrusion temperature of the pipe affects the leaching rate of lead by tap water, nitrate, sulphate, carbonate, phosphate and EDTA. The lower rate of lead extraction is obtained from the pipe when extruded at 190 ° C as compared to those extruded at 170 to 180 ° C.
Source Title: Water Research
URI: http://scholarbank.nus.edu.sg/handle/10635/77028
ISSN: 00431354
DOI: 10.1016/0043-1354(90)90228-X
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