In - house method : WI-CHE-TM-01 based on Standard Methods for the Examination of Water and Wastewater, APHA, AWWA & WEF, 21st ed., 2005, part 4500 - H+ B
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2. น้ำเสีย
- ความเป็นกรด-ด่าง 4.0 ถึง 10.0
In - house method : WI-CHE-TM-01 based on Standard Methods for the Examination of Water and Wastewater, APHA, AWWA & WEF, 21st ed., 2005, part 4500 - H+ B
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