Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Receber premium

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

7 jan 1939 ano - Brown

Descrição:

Primero que usó la cromatografía circular en papel.

Adicionado na linha do tempo:

Cromatograía

ByPatricia Molina

24 nov 2018

0

0

717

Data:

7 jan 1939 ano

Agora

~ 86 years ago

Imagens:

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL