Hadith jabir hajj

Inventions of Jābir ibn Hayyān 

Jabirian corpus is renowned for its contributions to alchemy. It shows a clear recognition of the importance of experimentation, "The first essential in chemistry is that thou shouldest perform practical work and conduct experiments, for he who performs not practical work nor makes experiments will never attain to the least degree of mastery." He is credited with the use of over twenty types of now-basic chemical laboratory equipment,such as the alembic and retort, and with the description of many now-commonplace chemical processes – such as crystallisation, various forms of alchemical "distilation", and substances citric acid (the sour component of lemons and other unripe fruits), acetic acid(from vinegar) and tartaric acid (from wine-making residues), arsenic, antimony andbismuth, sulfur, and mercury that have become the foun