ลำดับ Parameter วิธีวิเคราะห์
21 Arsenic Atomic Absorption Spectrometry (AAS), Hydride Generation/ Inductive Coupled Plasma (ICP)
22 Copper Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
23 Mercury Cold vapor, Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
24 Cadmium Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
25 Barium Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
26 Selenium Atomic Absorption Spectrometry (AAS), Hydride Generation/ Inductive Coupled Plasma (ICP)
27 Lead Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
28 Nickel Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
29 Manganese Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)
30 Silver Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP)