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Normas DIN – AENOR
DIN SPEC 91070:2017-10

DIN SPEC 91070:2017-10

Liquid Chromatography at Critical Conditions (LCCC) - Chemical heterogenity of polyethylene oxides

Chromatographie liquide aux conditions critiques - Hétérogénéité chimique des oxydes de polyéthylène

Flüssigchromatographie unter kritischen Bedingungen - Chemische Heterogenität von Polyethylenoxiden

Fecha:
2017-10 /Active
Resumen:
The scope of the Technical Report is to validate a method for the spparation of chemical heterogenic poly ethylene oxide mixtures as well as the determination of the number and content of heterogenic species in the total sample. The method described is a technical guideline and shall enable laboratories to learn the principle of "critical chromatography" by using a validated system.
Keywords:
Adsorption, Chromatography, Coatings, Conditions, Conglomerates, Definitions, Heterogeneity, Inter-laboratory tests, Laboratory tests, Liquid chromatography, Plastics, Polyethylen oxides, Polymers, Requirements, Sample preparation, Separation methods (chemical analysis)
78,22
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