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AOAC RESEARCH INSTITUTE
AOAC
OFFICIAL METHODS OF ANALYSIS
(OMA)
OMAMAN-28: Simultaneous Determination of Arsenic, Cadmium, Calcium, Chromium, Cobalt, Copper, Iron, Lead,
Magnesium, Manganeses, Molybdenum, Nickel, Selenium, and Zinc in Fertilizers by Microwave Acid Digestion and
Inductively Coupled Plasma-Optical Emission Spectrometry Detection: Single Laboratory Validation
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1
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TECHNICAL EVALUATION CRITERIA
Is the test kit method scientifically and technically sound?
ER 1
Yes
ER 2
Yes
ER 3
Yes
ER 4
Yes
ER 5
Yes
ER 6
Yes
ER 7
Yes
Have sufficient controls been used, including those required to calculate the rate of false‐positive and
false‐negative results where appropriate?
ER 1
Yes
ER 2
Yes
ER 3
Yes
ER 4
Yes
ER 5
Yes
ER 6
Yes
ER 7
Yes
Is sufficient information included for system suitability determination and product performance or acceptance
testing?
ER 1
Yes
ER 2
Yes
ER 3
Yes
ER 4
Yes
ER 5
Yes
ER 6
Yes
ER 7
Yes
Are the conclusions statements valid based upon data presented?
ER 1
Yes
ER 2
Yes
ER 3
Yes
ER 4
Yes
ER 5
Yes
ER 6
Yes
ER 7
Yes
Do you agree that the evidence or data from this and previous studies support the proposed applicability
statement?
ER 1
Yes
ER 2
Yes
ER 3
Yes