Marcin Stec

10 Questions 22 Answers 0 Followers

Questions related from Marcin Stec

What is recommended set-up for laboratorty steam distillation at a reduced pressure?

Most textbooks provide details about either steam or vacuum distillation. I am looking for a description of the apparatus for distilling with saturated steam at reduced pressure. Do you have any...

14 February 2023 9,313 1 View

Why there is a temperature difference beetween liquid and gas during polymers pyrolysis?

When pyrolyzing polymer materials one can notice that generated vapours have lower temperature compared to the liquid phase. If an endothermic pyrolysis reaction takes place in the liquid phase,...

08 August 2022 6,666 0 View

Where can I find kinetic validation set for simple first order mass loss curve?

Hello, I would like to validate my regression algorithm which calculates activation energy and pre-exponential factor from the TGA curve. It uses integral method (the exponential integral for...

02 September 2021 4,549 3 View

Is it possible to use Monte Carlo simulation to get prediction and confidence bands for non-linear regression?

I've found simple explanation how to use monte carlo simulations to evaluate parameter uncertainties for non-linear regression in following publications: Lambert, Ronald J. W., Ioannis...

06 February 2017 3,578 2 View

How do I interpret the following Zn-imidazole titration plot?

Could any one please help me with interpretation of the following Zn-Imidazole titiration plot? Two solutions: pure imidazole and imidazole with Zn(NO3)2 (mole ratio 10:1) were titrated with NaOH...

16 August 2016 4,054 3 View

Where can I obtain a program for derivation of equilibrium constants from experimental data?

I'm looking for a program to derive complex stability constants from phmetric data. I've found multiple references to SCOGS or MINIQUAD programs but they are out of date and I can't find them...

20 June 2016 7,576 6 View

Where can I find an example of derivation of solvents activity using Gibbs-Duhem equation?

I'm looking for a textbook or an article where derivation of activity of the solvent using Gibbs Duhem equation is explained. An example showing how to calculate the activity of the solvent when...

01 June 2016 1,524 3 View

Why are SO2 analyser readings during biomass gasification false?

We experienced strange SO2 readings during biomass gasification. The SO2 reading of the IR analyser incereases when the oxygen concetration decreases. This is rather suprising, considering that...

18 November 2015 2,087 7 View

Are my calculations of physical exergy correct?

I'm trying to validate the method of calculation of exergy. I would like to compare the results of my calculations with example from Hinderink, A. P., F. P. J. M. Kerkhof, A. B. K. Lie, J. De...

08 May 2015 7,818 17 View

Where could you find pH of amine solutions loaded with CO2 data?

I'm looking for values of pH of amine solutions during neutralization with CO2. Such information, presented as graph, is shown in Kohl's "Gas Purification":...

20 November 2013 2,254 2 View