ozone or chlorine di:oxide A process for bleaching nitrocellulose (NC), esp. linked to the prodn. process, comprises treating an aq. suspension of NC with a gaseous oxidising agent (II). (II) ia ozone or C102. This is passed upwards through a vertical reactor cont... ZOBOLI, SILVANA...
Organic chemistry demands much from chlorine, both as an oxidising agent and in substitution. In fact, chlorine was used as a war gas in 1915 as a choking (pulmonary) agent. Chlorine itself is not flammable, but it can react explosively or form explosive compounds with other chemicals such ...
1997). ECF bleaching is, by definition, a chlorine-free process in that no elemental (molecular) chlorine is used in the bleaching sequences. Although the termECFdoes not specify it, typically chlorine dioxide is the principal bleaching agent for these processes. Bleaching sequences that use no...
a reducing agent must be added. Testomat 2000® Antox is a special version of Testomat 2000® with an additional pump for dosing a reducing agent. An oxidising agent fault is prevented prior to each analysis by adding a reducing agent to the filled measuring chamber. The further analysis ...