Potentially interfering ions	Potentially interfering ion/ analyte fold ratio	Recovery(%)^a
Potentially interfering ions	Potentially interfering ion/ analyte fold ratio	Zn²⁺	Cu²⁺	Fe²⁺
Pb²⁺, Cr³⁺, Li⁺, Na⁺, K⁺, I⁻, Br⁻	1000	99 ± 1	98 ± 2	99 ± 1
Mg²⁺, Ca²⁺, Ba²⁺	1000	98 ± 2	98 ± 2	99 ± 1
Mn²⁺, Co²⁺, Ni²⁺	800	99 ± 1	99 ± 1	98 ± 2
Al³⁺	800	98 ± 2	98 ± 2	98 ± 2
Cd²⁺	600	97 ± 1	98 ± 2	99 ± 1
, , Cl⁻	300	99 ± 1	99 ± 1	99 ± 1