Statement II: Bleaching action bySO2is due to reduction of the substance which undergoes further oxidation by air, while that ofH2O2orCl2is due to oxidation of the substance. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, ...
6. Mercerizing wash waters can be used to prepare scour, chlorine bleach .丝光冲洗水可用作配制洗涤液,氯漂白液。 7. The bleaching action of fluorides is slow in the alizarin dye procedure .在茜素染料法中,氟化物的消色作用较慢。 8. Despite the language of ads, all liquid bleach is basicall...
Product accelerating the action of chlorine or hypochlorite and its applications to the bleaching of vegetable fibersARRAT HENRI-LOUIS
Process for bleaching a paper pulp in which the paste is subjected successively to the action of ozone and then of chlorine dioxide, or vice versa, -. The process according to the invention is characterized in that the paper pulp to be treated is a so-called "low", of thickness less tha...
CONTAINER FOR CHLORINE-BASED LIQUID BLEACHING AGENT COMPOSITIONS, AND BLEACHING AGENT ARTICLE Provided are: a container for chlorine-based liquid bleaching agent composition including a resin composition containing a polyester resin (A), a pigment (... J Nakamura,T Miyabe,T Oda 被引量: 0发表: 20...
The chemistry of bleaching agents is predominantly that of oxidizing agents: chlorine (Cl2) and some of its compounds or peroxygen species such as hydrogen peroxide (H2O2), ozone (O3), and sodium perborate (NaBO3 ∙ nH2O; n = 1–4). The decolorizing reaction generally involves the remova...
No very great amount of success, however, attended the efforts to utilize chlorine in bleaching operations till the subject was taken up by Mr Tennant of Glasgow. He, after a great deal of most laborious and acute investigation, hit upon a method of making a saturated liquid of chloride of...
During the normal first stage in a modern bleach plant, the unbleached pulp is chlorinated. Three to four percent of gaseouschlorineis rapidly mixed with pulp at a temperature of 21° to 27° C (70° to 80° F); the mixture is quite acid due to the acidity of the chlorine. Chlorine ...
In such an oxidation the chlorine dioxide undergoes a limited reduction.' In the alkaline solutions which I employ in the process of the present invention, the C102 undergoes a partial reduction to chlorite ion as a result of the action of the oxidizable coloring matter. This reaction thus ...
3. The method of claim 1, wherein said at least one silver halide emulsion layer contains an emulsion of silver halide comprising silver chloride or silver bromochloride, and the light-sensitive material is processed with said bleaching or bleach-fixing solution containing the metal chelating compou...