Osme method

OSHA TLV toxicity standard, for organotin compounds, 24 831 Oslo crystalizer, 8 139 OSME method, 11 520-521 Osmitrol, 5 169... 

The Osme method [17] and olfactometry global analysis (OGA) [18] constitute GCO techniques which are rarely applied. However, a critical comparison of AEDA, Osme and OGA has indicated that the three methods agree in the evaluation of the most... 

From the literature mentioned in this chapter, the GC- SNIF technique already exhibits very unique capabilities in terms of quickness and reproducibility and it opens the quantitation field to the GC-O analysis. The superiority of a technique involving a panel instead of one or two assessors is now well established. However, the exact limits are not well known, as they are still under investigation. For instance, it is still unclear in which kind of applications the GC- SNIF or OSME method is more appropriate. As GC-O is the link between chemical and sensorial analyses, it is important to flavor and fragrance research, and improvements in GC-O techniques will continue as the technology evolves and matures. 

If the focus is on a wide variety of additives in polyolefins only the OSM/TSM procedure of Marcato and Vianello [210] appears to be far reaching, despite the fact that this total design approach must have required considerable effort in terms of method development. On the other hand, in comparison considerably more method development and optimisation appears to be necessary for SFE of a single polymer/additive matrix, but even then still without the demonstrated benefit of a total approach [322]. Where analyte integrity is of greater concern recourse should be taken to less... 

Geochronological methods based on REE (plus Hf) have been developed only in the last two decades, because of the high precision required in analysis. Natural samarium has seven isotopes, occurring in the following proportions = 0.0309, 47Sm = 0.1497, = 0.1124, ssm = 0.1383, osm = 0.0744,... 

In summary, GC-0 techniques should be seen as screening methods to gain an insight into important contributors to a characteristic aroma (7,71). GC-O performed as Charm analysis and Osme have also been claimed as quantitative bioassays (10,77). However, more time is needed for training of assessors and verification using statistical means. 

From a qualitative point of view, the main GC-0 methods seem to be equivalent for determining the impact odorants of a product, with the exception that some peaks can be missed when using only one or two panelists (Fig. 1). The aroma impact compounds of coffee brew found by GC- SNIF (29) were in agreement with those found by AEDA (41). Le Guen et al. compared OSME, AEDA, and GC- SNIF results to determine the most potent odorants of cooked mussels (32). They concluded that the three methods were well correlated. They also observed that GC- SNIE was twice as fast as AEDA and OSME. ... 

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