Standards
[CURRENT]
ISO 23697-2
ISO 23697-2
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction
Title (German)
Wasserbeschaffenheit - Bestimmung von Gesamt-Stickstoff (TNb) in Wasser mittels Küvetten - Teil 2: Verfahren mit Chromotropsäure
Responsible national committee
NA 119-09-02 AA - Chemical-physical methods including quality assurance
Responsible international committee
ISO/TC 147/SC 2 - Physical, chemical and biochemical methods
