Influence of polyethylenimine on the precipitation process of lead sulfate crystals

Akio Katayama, Takahiro Sakuma, Izumi Hirasawa

    Research output: Contribution to journalArticle

    28 Citations (Scopus)

    Abstract

    Crystals of lead sulfate were precipitated in a solution of polyethylenimine (PEI) using a double-jet crystallizer. PEI controlled both the nucleation rate and the growth rate, and enabled to produce fine monodispersed crystals. This effect is considered to be due to a complexation between PEI and lead ion. The on-line measurement of the variation in the lead ion concentration indicated PEI lost its effect when a certain amount of reactants was supplied. And the duration in which PEI could control the precipitation rate and the amount of PEI had a strong correlation. In addition, it was suggested that their relationship could be utilized in order to produce monodispersed particles.

    Original languageEnglish
    Pages (from-to)500-506
    Number of pages7
    JournalJournal of Crystal Growth
    Volume260
    Issue number3-4
    DOIs
    Publication statusPublished - 2004 Jan 9

    Fingerprint

    Polyethyleneimine
    sulfates
    Lead
    Crystals
    crystals
    Crystallizers
    Ions
    ion concentration
    Complexation
    Nucleation
    nucleation
    Sulfates
    lead sulfate
    ions

    Keywords

    • A1. Growth models
    • A1. Impurities
    • A1. Nucleation
    • A2. Growth from solutions
    • B1. Inorganic compounds
    • B1. Polyethylenimine

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Influence of polyethylenimine on the precipitation process of lead sulfate crystals. / Katayama, Akio; Sakuma, Takahiro; Hirasawa, Izumi.

    In: Journal of Crystal Growth, Vol. 260, No. 3-4, 09.01.2004, p. 500-506.

    Research output: Contribution to journalArticle

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