Sulfuric acid the Hellenistic alchemical works of Zosimos of Panopolis, in the treatise "Phisica et Mystica", and the Leyden papyrus X. Medieval Islamic era alchemists, Jābir ibn Hayyān (c. 721 – c. 815 AD, also known as Geber), Razi (865 – 925 AD), and Jamal Din al-Watwat (d. 1318, wrote the book "Mabāhij al-fikar wa-manāhij al-'ibar"), included vitriol in their mineral classification lists. Ibn Sina focused on its medical uses and different varieties of vitriol. Sulfuric acid was called "oil of vitriol" by medieval European alchemists because it was prepared by roasting "green vitriol" (iron(II) sulfate) in an iron retort. There are
What About Today? What About Today? What About Today? is an album released in July 1969 by Barbra Streisand. It is considered to be her first attempt at recording contemporary pop songs and was received poorly, peaking at number 31 on the "Billboard" 200 albums chart. It is one of only three studio albums by Streisand (the others being 1973's "Barbra Streisand...And Other Musical Instruments" and 2011's "What Matters Most") not to have received an RIAA sales certification in the United States. The album features songs originally recorded by The Beatles and Paul Simon among others. The cover photograph was an outtake from