| ลำดับ | Parameter | วิธีวิเคราะห์ |
|---|---|---|
| 21 | Mercury |
Cold Vapor, Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP) |
| 22 | Cadmium |
Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP) |
| 23 | Barium |
Atomic Absorption Spectrometry (AAS)/ Inductively Coupled Plasma (ICP) |
| 24 | Selenium |
Atomic Absorption Spectrometry (AAS),Hydride Generation / Inductively Coupled Plasma (ICP) |
| 25 | Lead |
Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP) |
| 26 | Nickel |
Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma (ICP) |
| 27 | Manganese |
Atomic Absorption Spectrometry (AAS) / Inductively Coupled Plasma(ICP) |
| 28 | Dissolved Oxygen (DO) |
Membrane Electrode Method /Azide Modification Method |