1 Scope
This document specifies a method for extraction, separation, and determination of
inorganic arsenic (iAs) in plant biostimulants using anion-exchange high performance
liquid chromatography (HPLC) or ion chromatography (IC) coupled to ICP-MS.
This document is also applicable to the blends of fertilizing products where plant
biostimulants are the main part of the blend. Otherwise, the Technical Specification
for the main part of the blend applies.