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
How Is Your Fish Today? good ratings by reviewers, but still remains fairly unpopular. On its release, "How Is Your Fish Today?" was received well by critics, who applauded the film as an impressive debut from Guo. How Is Your Fish Today? How Is Your Fish Today?, also known as Jin Tian De Yu Zen Me Yang?, is a 2007 Chinese film written by Xiaolu Guo and Hui Rao. It was directed by Xiaolu Guo. The film is a drama set in modern China, focusing on the intertwined stories of two main characters; a frustrated writer (Hui Rao) and the subject of his latest work,