Water quality — Determination of phenol index — 4-Aminoantipyrine spectrometric methods after distillation
NORMA vydaná dňa 24.5.1990
Označenie normy: ISO 6439:1990-ed.2.0
Dátum vydania normy: 24.5.1990
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: Gives procedures for drinking waters, surface waters, brines (saline waters), domestic waters and industrial waters. After a preliminary distillation the test sample are analysed according to specific application by direct colorimetric method and by chloroform extraction method.