 | In special apparatus for splitting off gases which is kept at a constant temperature of 132°C, the tubes into which 2 g of dry Walsroder Nitrocellulose has been filled are heated for two hours. The amount of nitrous gases split off after reduction to nitrogen monoxide is then measured.
The nitrocellulose is considered stable if no more than 2.5 ml of nitrogen monoxide is split off per gram of nitrocellulose.
Literature:
“Zeitschrift für angewandte Chemie” (Journal of Applied Chemistry) 1904, pp 982, 1018 and 1074
Berl-Lunge, “Chemisch-techn. Untersuchungsmethoden” (Methods of Analysis in Chemical Engineering), 8th edition, volume III, p 1294
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