Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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30/00
Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography; or field flow fractionation;
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G01N30/26
Conditioning of the fluid carrier; Flow patterns
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G01N30/44
using recycling of the fraction to be distributed
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