TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000...
Transcript of TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000...
![Page 1: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/1.jpg)
TGA je tehnika kojom se prati promjena mase uzorka u ovisnosti o temperaturi /ili vremenu, tijekom programiranog zagrijavanja uzorka u uvjetima kontrolirane atmosfere (dušik, zrak,kisik)
TGA
Izotermna-promjena mase uzorka ovisno o vremenu, uz konstantnu temperaturu
Neizotermna (dinamička)-uzorak se zagrijava određenom brzinom
TERMOGRAVIMETRIJSKA ANALIZA (TGA)
![Page 2: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/2.jpg)
Primjena TGA
• karakterizacija i identifikacija materijala
• razgradnja:mehanizam razgradnje,kinetika razgradnje
• određivanje organskog udjela u uzorku
• određivanje anorganskog udjela u uzorku (pepeo)
• sastav uzorka
• udio dodataka (aditiva)
• oksidacija; kinetika oksidacije
![Page 3: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/3.jpg)
![Page 4: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/4.jpg)
TERMOGRAVIMETRIJSKA ANALIZA (TGA)
![Page 5: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/5.jpg)
mp i mk - svojstvo uzorka
Tp i Tk - ovise o brzini zagrijavanja
vrsti uzorka
atmosferi
![Page 6: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/6.jpg)
![Page 7: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/7.jpg)
-10
0
10
20
30
40
[
] D
eriv.
Wei
ght (
%/m
in)
– –
– –
0
20
40
60
80
100
120
Wei
ght (
%)
0 200 400 600 800Temperature (°C)
PP zrakPP dušik
Universal V4.5A TA Instruments
-5
0
5
10
15
[
] D
eriv.
Wei
ght (
%/m
in)
– –
– –
0
20
40
60
80
100
120
Wei
ght (
%)
0 100 200 300 400 500 600Temperature (°C)
TPU zrakTPU dušik
Universal V4.5A TA Instruments
![Page 8: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/8.jpg)
![Page 9: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/9.jpg)
![Page 10: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/10.jpg)
![Page 11: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/11.jpg)
![Page 12: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/12.jpg)
Identifikacija polimera
Toplinska stabilnost
![Page 13: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/13.jpg)
![Page 14: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/14.jpg)
![Page 15: TERMOGRAVIMETRIJSKA ANALIZA (TGA)...Analiza gtune TGA 300 400 400 500 500 600 Kaolin A Kaolin C 1000 1000 too 700 800 900 900 DSC 100 zoo Std. 26 to H20 mg 39 C02 1832% co 2292 mg](https://reader031.fdocument.pub/reader031/viewer/2022041506/5e2506d7745c1c1d2152a1cf/html5/thumbnails/15.jpg)