NA 066

DIN Standards Committee Nonferrous Metals

DIN EN 13349 [CURRENT] references following documents:

Document number Edition Title
EN 26777 1993-01 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984) More 
ISO 5664 1984-05 Water quality; Determination of ammonium; Distillation and titration method More