METHOD FOR CONTROLLING DIRECT DELIVERY PULP PRODUCTION PROCESS FOR PHOTOGRAPHIC PAPER

PROBLEM TO BE SOLVED: To provide a method for controlling a direct delivery pulp production process for photographic paper, by which a clear standard as EAg is provided from the view point of photography with respect to an acceptable residual quantity of a sulfur compound derived from a pulp product...

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Bibliographische Detailangaben
Hauptverfasser:	TSUBAKII YASUO, KUBOTA MASA
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PAPER-MAKING PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TESTING TEXTILES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for controlling a direct delivery pulp production process for photographic paper, by which a clear standard as EAg is provided from the view point of photography with respect to an acceptable residual quantity of a sulfur compound derived from a pulp production process and unburned sulfur is not substantially contained in sulfurous acid water useful for neutralization of an oxidizing agent for bleaching. SOLUTION: The method for controlling a direct delivery pulp production process for photographic paper comprises monitoring factors causing photographic obstacles by silver electrode potential EAg defined by the potential of a reference electrode determined by relative potential to the reference electrode measured by a silver electrode and the kind of the reference electrode. COPYRIGHT: (C)2005,JPO&NCIPI