This part of ISO 9455 specifies a qualitative method for asessing the solubility of flux residues in a selected solvent. The method is applicable to all fluxes of Type 1, as defined in ISO 9454-1.
DS/ISO 9455-11:1994 history
1994DS/ISO 9455-11:1994 Soft soldering fluxes - Test methods - Part 11: Solubility of flux residues