สิ่งแวดล้อม มลภาวะ ของเสีย
เอกสารมาตรฐาน
สหรัฐอเมริกา
APHA
SMWW 6040
Taste and Odor Compounds
2023
19
Standard methods for the examination of water and wastewater (543.3 APHA 24th ed. Ref. Treatises&monographs FL2)
The ability to analyze ultratrace levels of organic pollutants in water has been limited, in part, by the concentration technique. Closed-loop stripping analysis (CLSA) (6040 B) allows organic compounds of intermediate volatility and molecular weight (ranging from heavier volatiles to lighter polynuclear aromatic hydrocarbons) to be extracted from water and concentrated, permitting quantitative and semiquantitative analysis (depending on compound) at nanogram-per-liter levels...