Soft soldering fluxes; test methods; part 1: determination of non-volatile matter, gravimetric method (ISO 9455-1:1990); German version EN 29455-1:1993— 5 стр.
Soft soldering fluxes - Test methods - Part 2: Determination of non-volatile matter, ebulliometric method (ISO 9455-2:1993); German version EN ISO 9455-2:1995— 8 стр.
Soft soldering fluxes - Test methods - Part 3: Determination of acid value, potentiometric and visual titration methods (ISO 9455-3:1992); German version EN ISO 9455-3:1994— 6 стр.