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The principle consists in burning a test portion and heating in a furnace controlled at (600 30) °C, until all carbonaceous matter has disappeared, to constant mass. The residue may be retained for the determination of iron. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.
ПОВУЧЕН
ISO 1390-5:1977
95.99
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27. 5. 2002.
Anhidrid maleinske kiseline, tehnički - Određivanje ostatka posle žarenja - Gravimetrijska metoda
95.99 Повучен