1.
    发明专利
    未知

    公开(公告)号:DE4040463A1

    公开(公告)日:1992-06-25

    申请号:DE4040463

    申请日:1990-12-18

    Applicant: BASF AG

    Abstract: The number and size of free resin particles, which give rise to problems in the manufacture of paper, are determined so that said particles may be bound to the wood fibres by the addition of auxiliaries in order to neutralize them. Following preparation of a paper pulp suspension, the resin particles are separated therefrom, marked with a fluorescent die and isolated. The light signals emitted by the individual resin particles after excitation are detected to enable the number and size of the particles to be determined.

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