Skip to main content

Advertisement

Table 4 Results of analysis of water CRM trace metals 1-WP QC11132 (Sigma Aldrich)

From: Validation and measurement uncertainty evaluation of the ICP-OES method for the multi-elemental determination of essential and nonessential elements from medicinal plants and their aqueous extracts

Element Found value (μg L−1) s(μg L−1) Certified value (μg L−1) UCRM(μg L−1) Recovery (%)
Cd 390 3.10 385 5.07 101
Cr 862 25.7 864 11.6 99.8
Cu 592 8.00 603 7.80 98.2
Fe 1,350 27.0 1,340 24.4 101
Al 452 12.9 463 11.4 97.6
Pb 908 30.2 929 14.4 97.7
Mn 1,200 7.15 1,200 15.5 100
Ni 1,730 21.1 1,710 20.4 101
Zn 918 8.04 915 16.2 100
As 414 7.25 416 8.25 99.5