Differential Scanning Calorimetry-Purity

Shared by: kellena88

Tags

differential scanning calorimetry, thermal analysis, heat capacity, heat flow, differential scanning calorimeter, test method, differential thermal analysis, specific heat, phase transitions, thermal conductivity, glass transition, evolved gas analysis, protein denaturation, heat of fusion, melting point

Stats

views:: 3
posted:: 12/27/2009
language:: English
pages:: 1

Public Domain

Document Sample

							                             Differential Scanning Calorimetry-Purity

List just 5 data points from your Excel spreadsheet, taken across the full range of temperatures,
so your pre-melting correction can be checked.
T(°C)         T (K)              A             F                 A corrected   F corrected   1/F




                      total A=                 total corrected
                                                            A=



slope =     __________________ ± ___________________                     attach plot.

intercept = __________________ ± ___________________



indium area

indium ∆H                            cal/g

indium weight                        mg

sample area

sample weight                        mg

sample MM                            g/mol

∆H sample                            cal/mol



mol% impurity=___________________ ± _________________