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Publication of BE501598ApublicationCriticalpatent/BE501598A/fr
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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Life Sciences & Earth Sciences
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Physics & Mathematics
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Health & Medical Sciences
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Chemical & Material Sciences
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General Health & Medical Sciences
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Analytical Chemistry
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Biochemistry
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General Physics & Mathematics
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Immunology
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Pathology
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Molecular Biology
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Biophysics
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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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Procédé et dispositif de détermination de la phase d'un gaz comprimé; procédé et dispositif de transfert d'un gaz comprimé les mettant en Óoeuvre.
Appareil de mesure automatique du poids apparent d'une boue chargeant un liquide, système de mesure automatique de l'indice de PONSAR d'une telle boue, utilisant l'appareil et application à la conduite de stations d'épuration d'eaux usées