User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/09/10: Difference between revisions
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===DSC (Differential Scanning Calorimetry) Data=== | ===DSC (Differential Scanning Calorimetry) Data=== | ||
Note: To calculate mass of water evaporated the following equation was used: q=mHv. So that mass of water=(q×mass of sample)/Hv where Hv=2.23×10<sup>3</sup> J/g | |||
#'''PVA film in 2 ppm MG solution''' | #'''PVA film in 2 ppm MG solution''' | ||
#* Onset of water evaporation: 99.59ºC | #* Onset of water evaporation: 99.59ºC | ||
#* Heat of hydrate decomposition: 830.4 J/g | #* Heat of hydrate decomposition: 830.4 J/g | ||
#* Mass of water evaporated = 0.00144 g | |||
#* Major peaks in water: | #* Major peaks in water: | ||
#** Minimum at 134.73ºC, other peaks at 101, | #** Minimum at 134.73ºC, other peaks at 101, 103 ºC | ||
#* Glass transition: | #* Glass transition: | ||
#** Top curve inflection point: 68. | #** Top curve inflection point: 68.58ºC | ||
#** Bottom curve inflection | #** Bottom curve inflection points: 69.39, 85.00ºC | ||
#'''PVA film in 8 ppm MG solution''' | #'''PVA film in 8 ppm MG solution''' | ||
#* Onset of water evaporation: 100.91ºC | #* Onset of water evaporation: 100.91ºC | ||
#* Heat of hydrate decomposition: 1130 J/g | #* Heat of hydrate decomposition: 1130 J/g | ||
#* Mass of water evaporated = 0.00177 g | |||
#* Major peaks in water: | #* Major peaks in water: | ||
#** Minimum at 103.58ºC, other peaks at 107, 117 and 120ºC | #** Minimum at 103.58ºC, other peaks at 107, 117 and 120ºC | ||
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#* Onset of water evaporation: 99.82ºC | #* Onset of water evaporation: 99.82ºC | ||
#* Heat of hydrate decomposition: 1458 J/g | #* Heat of hydrate decomposition: 1458 J/g | ||
#* Mass of water evaporated = 0.00257 g | |||
#* Major peaks in water: | #* Major peaks in water: | ||
#** Minimum at | #** Minimum at 110ºC, other peaks at 117 and 130. | ||
#* Glass transition: | #* Glass transition: | ||
#** Top curve inflection point: 68.17ºC | #** Top curve inflection point: 68.17ºC | ||
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#* Onset of water evaporation: 99.77ºC | #* Onset of water evaporation: 99.77ºC | ||
#* Heat of hydrate decomposition: 938.2 J/g | #* Heat of hydrate decomposition: 938.2 J/g | ||
#* Mass of water evaporated = 0.00147 g | |||
#* Major peaks in water: | #* Major peaks in water: | ||
#** Minimum at 125.54ºC, other peaks at | #** Minimum at 125.54ºC, other peaks at 101, 105 and 136 | ||
#* Glass transition: | #* Glass transition: | ||
#** Top curve inflection point: 68.36ºC | #** Top curve inflection point: 68.36ºC | ||
#** Bottom curve inflection point: 69.15 ºC | #** Bottom curve inflection point: 69.15 ºC | ||
#'''PVA-Clay film in 2 ppm MG solution''' | |||
#* Onset of water evaporation: 100.51ºC | |||
#* Heat of hydrate decomposition: 1276 J/g | |||
#* Mass of water evaporated = 0.00232 g | |||
#* Major peaks in water: | |||
#** Minimum at 107ºC, other peaks at 109, 111 and 125ºC | |||
#* Glass transition: | |||
#** Top curve inflection point: 68.16ºC | |||
#** Bottom curve inflection point: 68.70 ºC | |||
#'''PVA-Clay film in 8 ppm MG solution''' | |||
#* Onset of water evaporation: 98.55ºC | |||
#* Heat of hydrate decomposition: 865.9 J/g | |||
#* Mass of water evaporated = 0.00213 g | |||
#* Major peaks in water: | |||
#** Minimum at 101.19ºC, other peaks at 104, 130ºC | |||
#* Glass transition: | |||
#** Top curve inflection point: 68.59ºC | |||
#** Bottom curve inflection point: 69.02 ºC | |||
#'''PVA-Clay film in 80 ppm MG solution''' | |||
#* Onset of water evaporation: 100.76ºC | |||
#* Heat of hydrate decomposition: 1044 J/g | |||
#* Mass of water evaporated = 0.00158 g | |||
#* Major peaks in water: | |||
#** Minimum at 101.94ºC, other peaks at 105, 108ºC | |||
#* Glass transition: | |||
#** Top curve inflection point: 68.27ºC | |||
#** Bottom curve inflection point: 68.50 ºC | |||
#'''PVA-Clay film in 200 ppm MG solution''' | |||
#* Onset of water evaporation: 99.70ºC | |||
#* Heat of hydrate decomposition: 1138 J/g | |||
#* Mass of water evaporated = 0.00177 g | |||
#* Major peaks in water: | |||
#** Minimum at 108ºC, other peaks at 110, 131ºC | |||
#* Glass transition: | |||
#** Top curve inflection point: 68.54ºC | |||
#** Bottom curve inflection point: 67.97 ºC | |||
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Revision as of 09:02, 17 September 2014
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Tasks for September 10
Completion of Film SynthesisContinued from Dr. Harting's procedure
Film preparation of ionic liquid modified clay
DSC (Differential Scanning Calorimetry) DataNote: To calculate mass of water evaporated the following equation was used: q=mHv. So that mass of water=(q×mass of sample)/Hv where Hv=2.23×103 J/g
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