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 3

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

Element	Determined values	SRM values	Recovery (%)
Pb	153.1	150	102.1%
Cd	3.23	2.94	109.9%
Al	6.41	6.10	105.1%
Fe	4.15	3.97	104.5%