Повучен
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.
ПОВУЧЕН
ISO 2294:1974
95.99
Повучен
29. 7. 2021.
ОБЈАВЉЕН
ISO 23776:2021