Sökning: "GC-MS"
Visar resultat 6 - 10 av 115 uppsatser innehållade ordet GC-MS.
6. Judging a loaf by its appearance : A protocol to study bread and bread-like fragments based on the study cases of Gamla Uppsala, Valsgärde, and Gnista
Master-uppsats, Uppsala universitet/Institutionen för arkeologi och antik historiaSammanfattning : Bread is an important cultural and social marker, and it occurs in many contexts, often preserved as carbonised. However, as bread fragments are typically small and anonymous, their total value of them is not appreciated. Often bread material is grouped simply as organic and not considered. LÄS MER
7. Inledande utvärdering av epoxibaserad livstidsförlängning av fjärrvärmerör : Relining av kolstål med en polyamidhärdande lösningsmedelsfri epoxi
Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för kemi - ÅngströmSammanfattning : Degradation of steel pipes in district heating systems is often a result of corrosion processes. To maintain the power in the systems the pipes gets replaced when they have been worn-out, resulting in high cost and long service time due to excavation. LÄS MER
8. Mapping volatiles that induce sensory responses in Delia antiqua: comparative identification across a set of crops
Master-uppsats, SLU/Dept. of Plant Protection BiologySammanfattning : The urge to combat climate change and the rapid degradation of agroecosystems puts high pressure on the development of novel tools to make an applied and theoretical change in the world. There is a vision on sustainability through Agenda 2030 which aligns with FAOs: the 10 elements of agroecology. LÄS MER
9. Development of a Performance Test for Fuel Filter Media
Master-uppsats, KTH/KemiteknikSammanfattning : Globalt sett är tunga transporter starkt beroende av fossila bränslen. Under de senaste åren har deras livslängd och miljöpåverkan granskats under nya uppkomna policyn, vilka är inriktade mot en grönare och hållbar framtid. LÄS MER
10. Generell metod för analys av pesticider med HS-SPME i kombination med GC-MS : Möjligheten att identifiera pesticider i känd lösning och i förgiftningsfall
Kandidat-uppsats, Linköpings universitet/Institutionen för fysik, kemi och biologiSammanfattning : This study focuses on a general method that has been developed for the identification of both polar- and nonpolar pesticidespolar pesticides in a known solution from EPA 8151 Herbicide acid mix by Merck including the ordered non-polar pesticide Prosulfocarb. The EPA-solution contains 16 analytes that has been completely identified when derivatized and spiked in acetone. LÄS MER