Category:OSW43f5d8bdcf205ba887ef7c7fc2f31f03: Difference between revisions

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Latest revision as of 06:04, 1 March 2025

DifferentialThermalAnalysis
ID	OSW43f5d8bdcf205ba887ef7c7fc2f31f03
UUID	43f5d8bd-cf20-5ba8-87ef-7c7fc2f31f03
Label	DifferentialThermalAnalysis
Machine compatible name	DifferentialThermalAnalysis
Statements (outgoing)

Statements (incoming)

Description

Differential thermal analysis (DTA) is a thermoanalytic technique that is similar to differential scanning calorimetry. In DTA, the material under study and an inert reference are made to undergo identical thermal cycles, (i.e., same cooling or heating programme) while recording any temperature difference between sample and reference.[1] This differential temperature is then plotted against time, or against temperature (DTA curve, or thermogram). Changes in the sample, either exothermic or endothermic, can be detected relative to the inert reference. Thus, a DTA curve provides data on the transformations that have occurred, such as glass transitions, crystallization, melting and sublimation. The area under a DTA peak is the enthalpy change and is not affected by the heat capacity of the sample.

Category (Class)

OWL Class
Imported fromA prefixed IRI defining this entry as a imported term. In OSW the prefix must be a registered imported ontology.<br>Definition: OWL Class	https://w3id.org/emmo/domain/characterisation-methodology/chameo#DifferentialThermalAnalysis

EmmoClass
Supercategories<br>Definition: Category (Class), OWL Class, EmmoClass	ThermochemicalTesting
Alternative label<br>Definition: EmmoClass	DTA [en]
metaclass<br>Definition: Category (Class), EmmoClass	EmmoClass

Graph

Attachments

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jsondata

rdf_type

"owl:Class"

uuid

"43f5d8bd-cf20-5ba8-87ef-7c7fc2f31f03"

iri

"https://w3id.org/emmo/domain/characterisation-methodology/chameo#DifferentialThermalAnalysis"

name

"DifferentialThermalAnalysis"

label

text	"DifferentialThermalAnalysis"
lang	"en"

description

text

"Differential thermal analysis (DTA) is a thermoanalytic technique that is similar to differential scanning calorimetry. In DTA, the material under study and an inert reference are made to undergo identical thermal cycles, (i.e., same cooling or heating programme) while recording any temperature difference between sample and reference.[1] This differential temperature is then plotted against time, or against temperature (DTA curve, or thermogram). Changes in the sample, either exothermic or endothermic, can be detected relative to the inert reference. Thus, a DTA curve provides data on the transformations that have occurred, such as glass transitions, crystallization, melting and sublimation. The area under a DTA peak is the enthalpy change and is not affected by the heat capacity of the sample."

lang

"en"