Essays about: "gas chromatography- mass spectrometry GC-MS"

Showing result 1 - 5 of 29 essays containing the words gas chromatography- mass spectrometry GC-MS.

  1. 1. Analysis of fatty acids in fatty acid-based herbicides by gas chromatography

    University essay from Lunds universitet/Kemiska institutionen

    Author : Mohamad Abd Elwadood; [2023]
    Keywords : Analytical Chemistry; Fatty Acids; Gas Chromatography; Green Herbicides; Retention Index; Flame Ionization Detector; Mass Spectrometry; Supercritical Carbon Dioxide Extraction.; Chemistry;

    Abstract : Fatty acids-based herbicides are considered to be a green alternative to synthesized weed control products. However, the environmentally sustainable effect of those herbicides needs more investigation to be confirmed. READ MORE

  3. 2. Effects of plant-fungal interactions on volatile emission of Hordeum vulgare and aphid preference

    University essay from SLU/Dept. of Ecology

    Author : Bina Johansson; [2022]
    Keywords : volatile organic compounds; chemical communication; Trichoderma atroviride; Fusarium graminearum; Rhopalosiphum padi; biological control;

    Abstract : Barley is one of the most economically important cultivated crops in the world. However, barley is a host for many insect pests and plant pathogenic fungi which is a threat to the production. Rhopalosiphum padi is an economically important insect pest that leads to large economical losses in agricultural crops such as barley. READ MORE

  4. 3. Analysis of Benzoisothiazolinone in process water from operations that handle large amounts of paint residues

    University essay from KTH/Kemi

    Author : Cagenna Magendran; [2022]
    Keywords : Flocculation; Gas chromatography-mass spectrometry; Isothiazolinones; Paint residues; Stockholm s water and waste; Flockulering; Gaskromatografi-masspektrometri; Isotiazolinoner; Färg rester; Stockholm vatten och avfall.;

    Abstract : I denna studie undersöks isotiazolinoner i avloppsvatten eftersom det finns i alla kommersiella färger. För att avgöra om reningsverken är tillräcklig bra används gaskromatografi-masspektrometri (GC-MS) för att analysera förekomsten av BIT i processvatten som släpps ut i mjövattnet. READ MORE

  5. 4. Analyzing components of barrier coatings in different fractions during a repulping process.

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Evelina Särnholm; [2021]
    Keywords : ICP-MS; MP-AES; GC-MS; repulping process; paper; poly ethylene-co-acrylic acid ;

    Abstract : During paper manufacturing, coating and adhesives are added to paper and cardboard to improve quality and durability. When the paper is later recycled or becoming new paper, the coatings may pollute the water used in the recycling process. Thus, it is important to know in which fraction these coatings finish during the process. READ MORE

  6. 5. Preliminary Investigation into Quantitation of Pharmaceuticals in Lake Victoria Sediments : Development of a Method for Analysis of 11 Pharmaceuticals

    University essay from Linköpings universitet/Tema Miljöförändring

    Author : Robert Lundberg; [2021]
    Keywords : Lake Victoria; pharmaceutical; sediment; core; ASE; SPE; derivatization; GC-MS MS; GC-MS; 210Pb;

    Abstract : Although Lake Victoria is threatened by pollution there is a lack of knowledge about pharmaceuticals contaminants drained into the lake from large cities bordering the lake. Hence, the purpose of this project was to develop, validate and apply a method for analysis of pharmaceutical compounds accumulating in the Lake Victoria sediments. READ MORE