BS 6782-7:1995 Binders for paints - Part 7. Method for determination of free-formaldehyde content of amino resins (sodium sulfite titrimetric method)
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This International Standard specifies a titrimetric method for determining the free-formaldehyde content of amino
resins. It is applicable to resins resulting from the polycondensation of urea and melamine with formaldehyde and
to furan resins resulting from the polycondensation of furfuryl alcohol with formaldehyde without further modifi-
cation.
The method is not applicable to furan resins modified with phenolic resins.