Johann Heinrich Pott

Johann Heinrich Pott (6 October 1692 – 29 March 1777) was a Prussian physician and chemist. He is considered a pioneer of pyrochemistry. He examined the elements bismuth and manganese apart from attempting improvements to glass and porcelain production.

Biography

Pott was born in Halberstadt, son of the royal councillor Johann Andreas Pott (1662–1729) and Dorothea Sophia daughter of Andreas Machenau. He studied at the cathedral school in Halberstadt and Francke's pedagogium before studying theology at the University of Halle. He then shifted to study medicine and chemistry under Georg Ernst Stahl. In 1713 he studied assaying at Mansfield under mining master Lages. He spent two years along with two of his brothers as travelling evangelists for the Community of True Inspiration but he left the sect in 1715 and returned to study chemistry at Halle, receiving a doctorate in 1716 on sulfur under Friedrich Hoffmann. He worked as a physician in Halberstadt before moving to Berlin in 1720 and became a professor of chemistry at the Collegium Medico Chirurgicum in 1724. Like his mentor Stahl, he was a promoter of the phlogiston theory. He succeeded Caspar Neumann (1683–1737) as professor of pharmaceutical chemistry. In 1753 he attempted to get his son-in-law Ernst Gottfried Kurella into a professorship and clashed publicly with Johann Theodor Eller whose student Brandes took the position. Pott's chemistry contributions included the use of borax and phosphorus beads in analysis. He examined graphite which he differentiated from the contemporary idea that it was lead. Pott established a porcelain factory in Freienwalde[1] under the orders of Frederick II. He examined the composition of pyrolusite.[2][3][4]

Pott married the daughter of businessman Stanislaus Rücker.[5]

Publications

References

  1. ^ Klein, Ursula (2004-11-05). "Not a Pure Science: Chemistry in the 18th and 19th Centuries". Science. 306 (5698): 981–982. doi:10.1126/science.1089888. ISSN 0036-8075. S2CID 10923830.
  2. ^ Cassebaum, Heinz (1979). "Die Stellung der Braunstein-Untersuchungen von J. H. Pott (1692-1777) in der Geschichte des Mangans". Sudhoffs Archiv. 63 (2): 136–153. ISSN 0039-4564. JSTOR 20776589.
  3. ^ Engel, Michael (2001). "Pott, Johann Heinrich". Neue Deutsche Biographie (in German). Vol. 20. Berlin: Duncker & Humblot. p. 660.
  4. ^ Hufbauer, Karl (1982). The Formation of the German Chemical Community, 1720-1795. University of California Press. pp. 176–177.
  5. ^ Greenaway, Frank (1975). "Johann Heinrich Pott". Dictionary of scientific biography. Vol. 11. p. 109.

Read other articles:

István Gaál

Artikel ini sebatang kara, artinya tidak ada artikel lain yang memiliki pranala balik ke halaman ini.Bantulah menambah pranala ke artikel ini dari artikel yang berhubungan atau coba peralatan pencari pranala.Tag ini diberikan pada November 2022. István GaálLahir(1933-08-25)25 Agustus 1933Salgótarján, HungariaMeninggal25 September 2007(2007-09-25) (umur 74)Budapest, HungariaPekerjaanSutradara, penyunting, penulis naskahTahun aktif1956–1996 István Gaál (25 Agustus 1933 &#...

 

Kristina Persson

Kristina Persson Menteri Kooperasi NordikPetahanaMulai menjabat 3 Oktober 2014Penguasa monarkiCarl XVI GustafPerdana MenteriStefan Löfven PendahuluEwa BjörlingPenggantiPetahanaMenteri Pengembangan StrategiPetahanaMulai menjabat 3 Oktober 2014Penguasa monarkiCarl XVI GustafPerdana MenteriStefan Löfven PendahuluJabatan dibentukPenggantiPetahana Informasi pribadiLahir16 April 1945 (umur 78)Östersund, SwediaPartai politikDemokrat SosialPekerjaanAhli ekonomiSunting kotak info ...

 

South Korea at the 1992 Summer Olympics

Sporting event delegationSouth Korea at the1992 Summer OlympicsIOC codeKORNOCKorean Olympic CommitteeWebsitewww.sports.or.kr (in Korean and English)in BarcelonaCompetitors226 (154 men, 72 women) in 24 sportsFlag bearer Kim Tae-hyunMedalsRanked 7th Gold 12 Silver 5 Bronze 12 Total 29 Summer Olympics appearances (overview)19481952195619601964196819721976198019841988199219962000200420082012201620202024 South Korea competed as Korea at the 1992 Summer Olympics in Barcelona, Spain. 226 c...

State school

Type of school funded in whole or in part by general taxation For US state-funded universities, see State university system. For Texas residential institutions, see Texas state supported living centers. For correctional facilities for juveniles, see Youth detention center. With 5,498 students as of the 2021–22 school year, Reading Senior High School in Reading, Pennsylvania, is the largest state school in Pennsylvania and one of the largest state schools in the United States. A state school...

 

João Moutinho

Disambiguazione – Se stai cercando il calciatore portoghese nato nel 1998, vedi João Moutinho (calciatore 1998). João Moutinho Moutinho con la nazionale portoghese al Mondiale 2018 Nazionalità  Portogallo Altezza 170 cm Peso 61 kg Calcio Ruolo Centrocampista Squadra  Braga Carriera Giovanili 1994-1999 Portimonense1999-2003 Sporting Lisbona Squadre di club1 2003-2004 Sporting Lisbona B30 (1)2004-2010 Sporting Lisbona163 (21)2010-2013 Porto83 (4)2013-201...

 

Keuskupan Daet

Keuskupan DaetDiœcesis DaëtiensisDiyosesis ng Daet Diócesis de DaetKatolik LokasiNegara FilipinaWilayahCamarines UtaraProvinsi gerejawiCaceresStatistikLuas2.200 km2 (850 sq mi)Populasi- Total- Katolik(per 2006)508.360462,607 (91.0%)Paroki30 (4 kuasi-paroki dan 26 paroki)Sekolah11InformasiDenominasiKatolik RomaGereja sui iurisGereja LatinRitusRitus RomaPendirian27 Mei 1974 (secara kanonik didirikan pada 1 September 1974)KatedralKatedral Tritunggal Kud...

Mary I of England

Queen of England and Ireland from 1553 to 1558 Mary I redirects here. For other uses, see Mary I (disambiguation). Mary IPortrait by Antonis Mor, 1554Queen of England and Ireland (more...) ReignJuly 1553[a] –17 November 1558Coronation1 October 1553PredecessorJane (disputed) or Edward VISuccessorElizabeth ICo-monarchPhilip (1554–1558)Queen consort of SpainTenure16 January 1556 –17 November 1558Born18 February 1516Palace of Placentia, Greenwich, EnglandDied17 November 15...

 

List of tallest buildings in Mexico City

Mexico City, the capital of Mexico, has over 2080 high-rise buildings (as of July 2022).[1] The list below indicates the tallest buildings in the city ranking from highest to lowest based on official heights. Currently, Torre Mitikah A is the city's tallest building, with a height of 267 metres (876 ft). Tallest buildings This list ranks buildings in Mexico City based on the official height. All the buildings listed below are either completed or topped out and rise at least 150 ...

 

Zita de Bourbon-Parme

Pour les autres membres de la famille, voir Maison de Bourbon-Parme. Zita de Bourbon-Parme L’impératrice Zita en 1916 lors de son couronnement comme reine de Hongrie à Budapest.Titres Impératrice consort d'AutricheReine consort de Hongrie, de Bohême, de Croatie et de Slavonie 22 novembre 1916 – 12 novembre 1918(1 an, 11 mois et 21 jours) Données clés Prédécesseur Élisabeth en Bavière Successeur Abolition de la monarchie 12e grande maîtresse de la Croix étoilée...

大字 (数字)

この項目には、一部のコンピュータや閲覧ソフトで表示できない文字が含まれています（詳細）。 数字の大字（だいじ）は、漢数字の一種。通常用いる単純な字形の漢数字（小字）の代わりに同じ音の別の漢字を用いるものである。 概要 壱万円日本銀行券（「壱」が大字） 弐千円日本銀行券（「弐」が大字） 漢数字には「一」「二」「三」と続く小字と、「壱」「�...

 

约翰斯顿环礁

此條目可参照英語維基百科相應條目来扩充。 (2021年5月6日)若您熟悉来源语言和主题，请协助参考外语维基百科扩充条目。请勿直接提交机械翻译，也不要翻译不可靠、低品质内容。依版权协议，译文需在编辑摘要注明来源，或于讨论页顶部标记{{Translated page}}标签。 约翰斯顿环礁Kalama Atoll 美國本土外小島嶼 Johnston Atoll 旗幟颂歌：《星條旗》The Star-Spangled Banner約翰斯頓環礁�...

 

Повітряні сили Збройних сил України

Ця стаття потребує додаткових посилань на джерела для поліпшення її перевірності. Будь ласка, допоможіть удосконалити цю статтю, додавши посилання на надійні (авторитетні) джерела. Зверніться на сторінку обговорення за поясненнями та допоможіть виправити недоліки. Мат...

Nebraska Department of Correctional Services

U.S. state corrections agency This article may rely excessively on sources too closely associated with the subject, potentially preventing the article from being verifiable and neutral. Please help improve it by replacing them with more appropriate citations to reliable, independent, third-party sources. (June 2022) (Learn how and when to remove this message) Law enforcement agency Nebraska Department of Correctional ServicesAbbreviationNDCSJurisdictional structureOperations jurisdictionNebra...

 

Stan Laurel

English actor (1890–1965) Stan LaurelLaurel c. 1929BornArthur Stanley Jefferson(1890-06-16)16 June 1890Ulverston, Lancashire, EnglandDied23 February 1965(1965-02-23) (aged 74)Santa Monica, California, U.S.Resting placeForest Lawn Memorial Park, Los Angeles, California, U.S.OccupationsActorwritercomedianentertainerfilm directorYears active1906–1957Spouses Lois Neilson ​ ​(m. 1926; div. 1935)​ Virginia Ruth Rogers ​ &...

 

Dinosaur (2000 film)

2000 film by Ralph Zondag and Eric Leighton Disney's Dinosaur redirects here. For the video game, see Disney's Dinosaur (video game). For the park attraction, see Dinosaur (Disney's Animal Kingdom). For the family sitcom also produced by Disney, see Dinosaurs (TV series). DinosaurTheatrical release posterDirected by Ralph Zondag Eric Leighton Screenplay by John Harrison Robert Nelson Jacobs Walon Green Story by Walon Green John Harrison Robert Nelson Jacobs Thom Enriquez Ralph Zondag Produced...

Unbienium

unbioctium ← 'unbiennium' → Utn Bk↑Ube↓Use 129Ube Tabel periodik Keterangan Umum Unsur Nama, Lambang, Nomor atom unbiennium, Ube, 129 Deret kimia Superactinides Golongan, Periode, Blok 3, 8, f Penampilan Tidak diketahui Massa atom 313  g/mol Konfigurasi elektron [Uuo] 5g4 6f3 7d1 8s2 8p1 Jumlah elektron tiap kulit 2, 8, 18, 32, 32, 18, 8, 2 Fase Kemungkinan padat Templat:Elementbox section micellaneous Isotop iso NA waktu paruh DM DE (MeV) DP Referensi Unbiennium Konfigurasi ele...

 

Baressa

Baressa ArèssaKomuneComune di BaressaLokasi Baressa di Provinsi OristanoNegaraItaliaWilayah SardiniaProvinsiOristano (OR)Pemerintahan • Wali kotaPiergiorgio CoronaLuas • Total12,51 km2 (4,83 sq mi)Ketinggian165 m (541 ft)Populasi (2016) • Total651[1]Zona waktuUTC+1 (CET) • Musim panas (DST)UTC+2 (CEST)Kode pos09090Kode area telepon0783Situs webhttp://www.comune.baressa.or.it Baressa (bahasa Sardinia: Arèss...

 

مطار توغويغاراو

مطار توغويغاراو Paliparan ng Tuguegarao إياتا: TUG – ايكاو: RPUT موجز نوع المطار عام المشغل هيئة الطيران المدني الفلبينية يخدم توغويغاراو البلد الفلبين  الموقع وادي كاغيان  الارتفاع 21 متر  إحداثيات 17°38′18″N 121°43′50″E / 17.638311111111°N 121.73061388889°E / 17.638311111111; 121.73061388889   [1&#...

Analytical chemistry

Study of the separation, identification, and quantification of matter For the journal, see Analytical Chemistry (journal). Gas chromatography laboratory Part of a series onChemistryScience of matter Index Outline Glossary History (timeline) Key components Matter Phase Bond Chemical reaction Ion Acid–base reaction Redox Chemical equilibrium Chemical law Branches Analytical chemistry Biochemistry Organic chemistry Inorganic chemistry Physical chemistry Research Chemist (list) List of chemistr...

 

Fresh Pond station

Former Long Island Rail Road station in Queens, New York Fresh PondThe site of the former station in December 2017General informationLocationFresh Pond, Queens, New YorkU.S.Coordinates40°42′43.8″N 73°53′56.1″W / 40.712167°N 73.898917°W / 40.712167; -73.898917Owned byLong Island Rail RoadLine(s)Montauk BranchPlatforms1 side platform, 1 island platformTracks3HistoryOpenedJune 1869ClosedMarch 16, 1998RebuiltApril 1895ElectrifiedAugust 29, 1905Previous namesBu...