Povučen
Specifies a method for determining ammonia and other volatile amines that can be liberated by strong alkali from photographic processing wastes. The method is applicable in the range 10 to 200 mg/l of NH3 or 8 to 160 mg/l of nitrogen.
POVUČEN
ISO 6853:1987
95.99
Povučen
20. 12. 2001.