a support composition based on triazine derivatives is prepared having high binding capacity . the support composition contains a polymer compound having no triazine groups , a polymer compound with 4 , 6 - dihalogen - 1 , 3 , 5 - triazine groups , a 2 , 4 , 6 - trihalogen - 1 , 3 , 5 - triazine filler component and an alkali metal halogenide filler component . the support is useful in molecular biology particularly for the fixing of biomacromolecules and for clinical and analytical detection of immunologically significant factors or organic or inorganic components of liquids .