An Investigation of the Levels and Distribution of Selected Heavy Metals in Sediments and Plant Species within the Vicinity of Ex-Iron Mine in Bukit Besi

Table 4

Validation of extraction and analysis of standard references materials (plants).

Element	Determined values	SRM values	Recovery (%)
Pb	1.55	1.8	86.1%
Cd	0.15	0.17	88.2%
Al	111	100	111%
Fe	824.5	818	100.8%