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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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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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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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