Sökning: "Sodium hydroxide"

Visar resultat 11 - 15 av 55 avhandlingar innehållade orden Sodium hydroxide.

  1. 11. Synthesis of Aryl Ethers : Metal-Free Arylation of Alcohols using Diaryliodonium Salts

    Författare :Erik Lindstedt; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : This thesis contains two parts showing different metal-free methods to synthesize aryl ethers using hypervalent iodine reagents, more specifically diaryliodonium salts. The first part describes arylation of benzylic and allylic alcohols and phenols in water using the easily accessible base sodium hydroxide. LÄS MER

  3. 12. Downstream Processing Using Membrane Technology

    Författare :Anna Persson; Avdelningen för kemiteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kemiteknik och kemisk teknologi; Biochemical technology; Chemical technology and engineering; Protein A; Bovine serum albumin; Lactic acid; Electrodialysis; Ultrafiltration; Microfiltration; Downstream processing; Membrane; Biokemisk teknik;

    Sammanfattning : Membrane filtration is a very gentle separation technique and can be used at low temperatures. This makes it suitable for liquids that contain micro-organisms and/or are heat sensitive, which is often the case in liquids processed in the field of biotechnology. LÄS MER

  4. 13. Evaluation of endodontic treatment of teeth with apical periodontitis

    Författare :Anders Byström; Göran Sundqvist; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Endodontic treatment; bacteriological evaluation;

    Sammanfattning : Apical periodontitis, an acute or chronic inflamination around the apex of the tooth, is caused by bacteria in the root canal. In Sweden the dentists devote around 10X of their total time to treating this disease. The treatment usually requires 3 to 5 sessions. The treatment may fail in up to 25X of the cases. LÄS MER

  5. 14. Processing and Development of Wheat Gluten Plastics

    Författare :Henrik Ullsten; Mikael S. Hedenqvist; Nathalie Gontard; KTH; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Wheat Gluten; Extrusion; Processing; Chemistry; Kemi;

    Sammanfattning :  Renewable packaging materials are of interest for a more sustainable environment. Wheat gluten is one of the most interesting candidates to replace petroleum-based oxygen-barrier polymers for packaging applications. LÄS MER

  7. 15. Klorkartellen

    Författare :Patrik Ekheimer; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HUMANIORA; HUMANITIES; PVC; history of technology; bleaching; cartels; institutions; innovation;

    Sammanfattning : The overall aim of this thesis is to describe the history of the Swedish chlor-alkali industry. The chlor-alkali industry produces chlorine and alkali by electrolytic de-composition of ordinary salt solution (brine). This process generates chlorine and sodium hydroxide (caustic soda) in the fixed ratio 1 to 1.13. LÄS MER