Povučen
The method consists in mineralizing of a test portion with sulphuric and nitrit acids, precipitating of the phosphorus as quinoline phosphomolybdate, drying and weighing of the precipitate. An alternative method of mineralizing is described in clause 10.
POVUČEN
ISO 2294:1974
95.99
Povučen
29. 7. 2021.
OBJAVLJEN
ISO 23776:2021