The dissolution behavior of lead plates in aqueous nitrate solutions

Miho Uchida; Akitsugu Okuwaki

doi:10.1016/S0010-938X(99)00023-2

The dissolution behavior of lead plates in aqueous nitrate solutions

Miho Uchida, Akitsugu Okuwaki

ENG - Applied Chemistry

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The dissolution behavior of metallic Pb plates in aqueous neutral sodium nitrate and ammonium nitrate solutions was investigated. Using a rotating disk method, the rate of dissolution was measured by weight changes in the disks for nitrate concentrations of 0.01-0.2 mol dm^-3, at rotation speeds of 100-800 rpm and 60-90°C. In ammonium nitrate solution, the dissolution rate was mainly determined by the chemical reaction at temperatures higher than 60°C and by NH₄NO₃ at concentrations higher than 0.05 mol dm^-3. The dissolution rate in NaNO₃ solution was much slower than that in NH₄NO₃ solution. X-ray photoelectron spectroscopy analyses showed the formation and compositional differences of a passive oxide layer containing nitrogen compounds on the lead surface in both nitrate solutions.

Original language	English
Pages (from-to)	1977-1986
Number of pages	10
Journal	Corrosion Science
Volume	41
Issue number	10
DOIs	https://doi.org/10.1016/S0010-938X(99)00023-2
Publication status	Published - 1999 Oct 15

Keywords

Passive films
Weight loss
XPS

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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10.1016/S0010-938X(99)00023-2

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abstract = "The dissolution behavior of metallic Pb plates in aqueous neutral sodium nitrate and ammonium nitrate solutions was investigated. Using a rotating disk method, the rate of dissolution was measured by weight changes in the disks for nitrate concentrations of 0.01-0.2 mol dm-3, at rotation speeds of 100-800 rpm and 60-90°C. In ammonium nitrate solution, the dissolution rate was mainly determined by the chemical reaction at temperatures higher than 60°C and by NH4NO3 at concentrations higher than 0.05 mol dm-3. The dissolution rate in NaNO3 solution was much slower than that in NH4NO3 solution. X-ray photoelectron spectroscopy analyses showed the formation and compositional differences of a passive oxide layer containing nitrogen compounds on the lead surface in both nitrate solutions.",

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AU - Uchida, Miho

AU - Okuwaki, Akitsugu

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N2 - The dissolution behavior of metallic Pb plates in aqueous neutral sodium nitrate and ammonium nitrate solutions was investigated. Using a rotating disk method, the rate of dissolution was measured by weight changes in the disks for nitrate concentrations of 0.01-0.2 mol dm-3, at rotation speeds of 100-800 rpm and 60-90°C. In ammonium nitrate solution, the dissolution rate was mainly determined by the chemical reaction at temperatures higher than 60°C and by NH4NO3 at concentrations higher than 0.05 mol dm-3. The dissolution rate in NaNO3 solution was much slower than that in NH4NO3 solution. X-ray photoelectron spectroscopy analyses showed the formation and compositional differences of a passive oxide layer containing nitrogen compounds on the lead surface in both nitrate solutions.

AB - The dissolution behavior of metallic Pb plates in aqueous neutral sodium nitrate and ammonium nitrate solutions was investigated. Using a rotating disk method, the rate of dissolution was measured by weight changes in the disks for nitrate concentrations of 0.01-0.2 mol dm-3, at rotation speeds of 100-800 rpm and 60-90°C. In ammonium nitrate solution, the dissolution rate was mainly determined by the chemical reaction at temperatures higher than 60°C and by NH4NO3 at concentrations higher than 0.05 mol dm-3. The dissolution rate in NaNO3 solution was much slower than that in NH4NO3 solution. X-ray photoelectron spectroscopy analyses showed the formation and compositional differences of a passive oxide layer containing nitrogen compounds on the lead surface in both nitrate solutions.

KW - Passive films

KW - Weight loss

KW - XPS

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U2 - 10.1016/S0010-938X(99)00023-2

DO - 10.1016/S0010-938X(99)00023-2

M3 - Article

AN - SCOPUS:0033452577

VL - 41

SP - 1977

EP - 1986

JO - Corrosion Science

JF - Corrosion Science

SN - 0010-938X

IS - 10

ER -

The dissolution behavior of lead plates in aqueous nitrate solutions

Abstract

Keywords

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