Dear Usman,
Hope you are doing well.
Regarding your query on determining the constituent percentages of Lyocell and Cotton in blended yarn, you can easily find the solution through the Sustainability Clinic by Fairtrade India and the Centre for Social Markets.
Please visit our page, explore the available resources, and fill out the form to receive personalized guidance through our free helpline.
https://fairtradeindia.org/sustainability-clinic