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?
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.
In your experience with the method, is there
any safety concerns identified while using or
regarding use of the method?
None
Do you have any information that supports
regarding the reproducibility of the method as
written: If so, please specify and submit
information?
See point 1.
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?
See point 1.
