FR1041635A - Procédé et dispositif pour le contrôle de la teneur en sucre de l'eau d'alimentation des chaudières ou autres, notamment dans les sucreries
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Procédé et dispositif pour le contrôle de la teneur en sucre de l'eau d'alimentation des chaudières ou autres, notamment dans les sucreries
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Dolffs & Helle V
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Dolffs & Helle V
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G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
G—PHYSICS
G01—MEASURING; TESTING
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
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Analytical Chemistry
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Engineering & Computer Science
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Chemical Kinetics & Catalysis
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Plasma & Fusion
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Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means
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Investigating Or Analysing Materials By The Use Of Chemical Reactions
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FR1041635D1950-03-011951-02-28Procédé et dispositif pour le contrôle de la teneur en sucre de l'eau d'alimentation des chaudières ou autres, notamment dans les sucreries
ExpiredFR1041635A
(fr)
Produits permettant de séparer des particules solides, à l'état humide ou en suspension dans l'eau, notamment pour le traitement des schlamms par flottation
Dispositif pour la séparation de corps étrangers lourds dans un courant d'eau de lavage contenant des produits agricoles, notamment des betteraves sucrières
Procédé d'augmentation de la teneur en sucre de la canne à sucre à l'aide du sel d'isopropylidineaminoéthanol de la p-nitrobenzenesulfonylurée.
Méthodes à appliquer pour l'élaboration d'un programme coordonné d'action sanitaire dans les zones rurales: deuxième rapport du Comité d'experts de l'Administration de la santé publique [réuni à Genève du 21 au 26 septembre 1953]