OMB Meeting Book_9-11-14
COMMENT PARAMETERS
USER COMMENTS
AOAC OMA
2011.19
Method Name/Manuscript Title
Chromium, Selenium, and Molybdenum in Infant Formula and Adult Nutritionals by ICP MS
Manuscript Reference In your experience using the method, does the method perform according to the method’s applicability as written? In your experience with the method, is there any safety concerns identified while using or regarding use of the method? Do you have any information that supports regarding the reproducibility of the method as written: If so, please specify and submit information? Please attach any documentation to support your feedback, if available. Based on your experience with the method, are there any recommended changes to the AOAC First Action Method as written?
To compensate the signal enhancement of Se82 Methanol (Source of Carbon) is being added to Linearity Standards and Digested Sample. Methanol could interfere for Cr52 analysis (Ar40 + C12 = ArC52+ ). To achieve better sensitivity Se82 can be analyzed as SeO98 (Se82 + O16) in DRC mode using Oxygen as Reaction Gas.
None
See point 1.
See point 1.
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