AOAC Policy Documents

previously, and if so, why were they not suitable? If a new method had to be developed, upon what established chemical, biological, or physical principles was it based? What general approach was used? If an interlaboratory study is being reported and a background report has already been published, do not repeat all the introductory material; instead, cite the earlier report and go directly to the description of the interlaboratory study. AOAC Official Method 20xx.xx Title of Method Instrumentation Used First action 20xx [Applicable to the determination of …] Caution: A. Principle B. Apparatus

(a) (b) (c)

C.

Reagents (a) (b) (c)

D.

Reagent preparation (a) (b) (c) Standard preparation (a) (b) (c) Sample preparation (a) (b)

E.

F.

G.

Extraction and derivatization