Efke and Rollei RBM5 hardener

Discussion in 'B&W: Film, Paper, Chemistry' started by Alessandro Serrao, Sep 25, 2012.

  1. Alessandro Serrao

    Alessandro Serrao Member

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    The Rollei RBM5 is a glutaraldehyde hardener to be used in the developer.
    It could be beneficial to some soft emulsion.
    However, how does the hardener modify the developer?