1985
DOI: 10.1021/ac00281a782
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Snowpeas Andacephate

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1991
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“…The literature contains a large number of documented case histories where more than three or four ions were adopted for the confirmatory process. For example, in the case of trace levels of dimethoate in mangoes, 10 four ions under GC/MS using methane CI were selected for confirmation of the eluting peak believed to represent the pesticide in the extract (Figure 2). It would seem that the prevailing expert consen- sus prefers to adopt no less than four ions for confirmation.…”
Section: B Multiple Ion Detection (Mid)mentioning
confidence: 99%
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“…The literature contains a large number of documented case histories where more than three or four ions were adopted for the confirmatory process. For example, in the case of trace levels of dimethoate in mangoes, 10 four ions under GC/MS using methane CI were selected for confirmation of the eluting peak believed to represent the pesticide in the extract (Figure 2). It would seem that the prevailing expert consen- sus prefers to adopt no less than four ions for confirmation.…”
Section: B Multiple Ion Detection (Mid)mentioning
confidence: 99%
“…However, the product ion spectrum derived from the protonated molecule ion, m/z 292, did provide five ions to meet the confirmation criteria. 10 Using the protonated molecule ion as the precursor ion, the product ion spectra usually contain sufficient ions to meet the criteria of a minimum of three structurally related product ions. Therefore, the recent shift in emphasis to the use of LC/MS interfaces has created a reliance on product ion spectra to satisfy the criteria for confirmation.…”
Section: Product Ion Chemistrymentioning
confidence: 99%