Johan Peter Clason (born April 4, 1848 in Årstad, Halland County, died January 1, 1937 in St. Matthew's parish,

Stockholm Stockholm () is the capital and largest city of Sweden as well as the largest urban area in Scandinavia. Approximately 980,000 people live in the municipality, with 1.6 million in the urban area, and 2.4 million in the metropo ...

) was a Swedish chemist. Johan Peter Clason was the son of domain curator, Christopher Adam Claesson and Elna Helena Billing,J Peter Klason, http://sok.riksarkivet.se/sbl/artikel/11560, Svenskt biografiskt lexikon (art av Holger Erdtman), hämtad 2014-11-24 and was descended from a family originally been called Claus. Johan Peter Clason was the son in law of Carl Johan Hill. Clason became a student in

Lund Lund (, , ) is a city in the southern Swedish province of Scania, across the Öresund strait from Copenhagen. The town had 91,940 inhabitants out of a municipal total of 121,510 . It is the seat of Lund Municipality, Scania County. The Öre ...

in 1868, PhD and associate professor of the organic chemistry laboratory in 1874 and 1887, all at

Lund University , motto = Ad utrumque , mottoeng = Prepared for both , established = , type = Public research university , budget = SEK 9 billion Christian Wilhelm Blomstrand Christian Wilhelm Blomstrand (20 October 1826 – 5 November 1897) was a Swedish mineralogist and chemist. He was a professor at the University of Lund from 1862-1895, where he isolated the element niobium in 1864. He developed an early version ...

and authored a memory drawing of his teacher (of the Academy of Sciences Lefnadsteckningar, band 4, 1909). A series of works of organic chemistry and in particular of

mercaptan In organic chemistry, a thiol (; ), or thiol derivative, is any organosulfur compound of the form , where R represents an alkyl or other organic substituent. The functional group itself is referred to as either a thiol group or a sulfhydryl gro ...

s and other sulfur compounds, like

dimethyl sulfate Dimethyl sulfate (DMS) is a chemical compound with formula (CH3O)2SO2. As the diester of methanol and sulfuric acid, its formula is often written as ( CH3)2 SO4 or Me2SO4, where CH3 or Me is methyl. Me2SO4 is mainly used as a methylating agent ...

, were performed during his time at Lund. They meant in practical terms a simple determination method for organic sulfhydrater, which much later found use in his investigation of the production of sulphate cellulose emerging smelly substances, which he showed in the material consists of methyl mercaptan.

References

{{DEFAULTSORT:Klason, Peter Swedish chemists 1848 births 1937 deaths People from Halland County Lund University alumni Members of the Royal Society of Sciences in Uppsala