Paulina Alferez

5 Questions 7 Answers 0 Followers

Questions related from Paulina Alferez

How to interpret a second small step in TGA curve?

I've looked for literature to "explain" my results but i haven't found any similar behaviour. The measurements were performed in nitrogen environment. The material is erythritol (sugar alcohol)...

23 November 2018 7,672 4 View

Does peak broadening represent a chemical change in FTIR?

Hi! I'm working with erythritol (sugar alcohol) which was under thermal treatment at different temperatures. I did an analysis with FTIR and since I'm a complete beginner at it, I'm not sure if...

14 November 2018 8,702 8 View

Is there any manual for Spectrum software from Perkin Elmer?

I used a Spectrum Two to record my data. However I´m having problems at reading them, since I haven´t been able to import it to origin. I´ve already exported the data into .ASC and .CSV files, it...

19 October 2018 3,724 5 View

Kinetic model with DSC enthalpy values?

I´m currently working with energy storage materials. I want to know how the enthalpy value of this material is affected after several hours under a certain temperature (samples in oven). The...

20 September 2018 5,738 3 View

Straight or sigmoidal baseline in DSC for enthalpy of fusion?

I'm trying to decide which baseline (sigmoidal or linear) would fit better to calculate the melting enthalpy. What could be considerend as a "significant" shift in the baseline (before and after...

02 August 2018 4,458 3 View