ArticleLangmuir : the ACS journal of surfaces and colloids2019
Microelectrode Investigation on the Corrosion Initiation at Lead-Brass Galvanic Interfaces in Chlorinated Drinking Water.
Article in Langmuir : the ACS journal of surfaces and colloids, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Electrolyzed Water as a Biocide in Premise Water Networks: A Narrative Review and a Conceptual Framework.Pathogens (Basel, Switzerland) · 2026Review
- Free Chlorine Can Inhibit Lead Solder Corrosion via Electrochemical Reversal.Environmental science & technology · 2024Article
- Microelectrode evaluation of in situ oxidant reactivity and pH variability at new ductile iron and copper coupon surfaces.Water research · 2023Article
- Theoretical equilibrium lead(II) solubility revisited: Open source code and practical relationships.AWWA water science · 2021Article
- Lead pipe and lead-tin solder scale formation and structure: A conceptual model.AWWA water science · 2021Article
- Recent Developments of PFAS-Detecting Sensors and Future Direction: A Review.Micromachines · 2020Review
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
In this study, the effects of pH, dissolved inorganic carbon (DIC), and flow on changes in surface chemistry (pH, dissolved oxygen, and free chlorine) of lead-brass joints at initial stages of corrosion were investigated using microelectrodes. Surface measurements showed that the water chemistry at the metal surfaces was highly heterogeneous. At pH 7 and during water stagnation, local pH difference between anodic (leaded-solder) and cathodic (brass) regions differed by as much as 7.5 pH units. High DIC water under the water flowing condition showed minimal pH changes on the surface, whereas in low DIC water, a pH range of 7.6-5.4 (ΔpH 2.2) was observed over the surface. Free chlorine consumption near the lead-brass surface was greater under stagnation, regardless of bulk pH. It was also found that flow can move the low pH plume that originated at the anode. Overall, this study provides direct evidence for highly localized galvanic corrosion in a chlorinated drinking water environment.
Identifiers
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Registered trials
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