Hey there Gemechis Midaksa,

Interesting question. I am working on my manuscript on this topic, so some excerpts from my notes.

Let's dive into the world of pyrolysis and TGA data. First off, to calculate the conversion degree (alpha), you'll want to use the formula:

α=​(m0​−mt)/(m0​−mf)​​

Where:

- m0 is the initial mass of the sample.

- mt is the mass of the sample at a given temperature during pyrolysis.

- mf is the final mass of the sample after pyrolysis is complete.

Now, it's crucial to make sure your data is in good shape. Ensure you Gemechis Midaksa have accurate mass measurements at each temperature point. You'll typically get a TGA curve, and you'll pick specific temperature points of interest.

Here's a step-by-step guide:

1. **Select Temperatures:** Choose temperatures (e.g., every 10 or 20 degrees) for which you Gemechis Midaksa have TGA data.

2. **Calculate mt:** At each temperature, find the corresponding mass mt.

3. **Plug into the Formula:** Substitute the values into the conversion formula.

4. **Repeat:** Do this for all selected temperatures.

5. **Analyze Results:** Look at the trend in conversion degree with increasing temperature. It often forms a curve, and you Gemechis Midaksa might find key points like initial decomposition, major decomposition, etc.

Remember, this is a simplified explanation. Depending on your specific pyrolysis process and material, you Gemechis Midaksa might need to consider additional factors. If you have a specific dataset or questions about the process, feel free to share, and we can delve deeper.

The TGA can be carried out in an inert gas or air environment. In the first case, you need to prove that at the end of the process there is only one carbon left and this will be 100% conversion. In the second case, it is impossible to determine the pyrolysis conversion.