<iframe src="https://podeduc.apps.education.fr/video/1304-chromatographie-echangeuse-dionsmp4/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> chromatographie echangeuse d'ions.mp4 PodEduc https://podeduc.apps.education.fr/videos/?owner=19ixB2dHg0W78eKRqX8rSZs1vqA 360 https://podeduc.apps.education.fr video 640 1.0 Aude Ragas-Sundermann