نتایج جستجو برای: headspace solid
تعداد نتایج: 191043 فیلتر نتایج به سال:
Automated headspace solid-phase dynamic extraction to analyse the volatile fraction of food matrices
AIM headspace centres comprise a significant innovation in community-based youth mental health service delivery in Australia. This paper examines the service activity of the first headspace centres to determine common and unique practice characteristics across headspace centres in this new approach to mental health service delivery. METHODS Data come from quarterly progress reports provided b...
Solid phase micro-extraction (SPME) coupled with Gas Chromatography Mass Spectrometry (GC-MS) was used to extract and analyse the volatiles in the headspace above the plasmodial and sporulating stages of the slime mould Physarum Polycephalum. In total 115 compounds were identified from across a broad range of chemical classes. Although more (87) volatile organic compounds (VOCs) were identified...
A headspace solid-phase microextraction gas chromatography-mass spectrometry (SPME GC-MS) method is described, to screen seafood for volatile organic compounds (VOCs) associated with petrochemical taint. VOCs are extracted from the headspace of heated sample homogenates by adsorption onto a SPME fiber and desorbed for analysis by GC-MS. Targeted compounds are determined semi-quantitatively usin...
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