Iji chọpụta chlorate na ammonium nitrate mgbawa, ala sample mgbe mgbawa e amịpụtara site mmiri oscillation, wee na-ewere supernatant mgbe centrifugation, filter site IC-RP kọlụm na 0.22 um microporous filtration membrane. Iji CIC-D120 ion chromatograph, SH-AC. -12B anion kọlụm, 4.0 mM Na2CO3 eluent na bipolar pulse conductance method, n'okpuru ọnọdụ chromatographic akwadoro, chromatogram bụ nke a.
Oge nzipu: Eprel-18-2023