@article{202403.0190, doi = {10.20944/preprints202403.0190.v1}, url = {https://doi.org/10.20944/preprints202403.0190.v1}, year = 2024, month = {March}, publisher = {Preprints}, author = {Jocelyn Mankulu Kakumba and Patient Hamuli Ciza and Merdie Luyinama Mpemba and Freddy Kasago Mugisho and Malachie Tembo Monyele and Dadit Ive Kitenge and Tresor Bayebila Menanzambi and Tresor Kimbeni Malongo and Didi Mana Kialengila and Jeremie Mbinze Kindenge}, title = {Development and Validation of a Hand Held Spectrophotometric Method by Near Infra-Red (NIR) using PCA Approaches and Chemometric Tools: Application for Qualitative and Quantitative Determination of Tadalafil Marketed in Kinshasa-D.R. Congo}, journal = {Preprints} }