O D

na na na na na na na

Rain, fog, mist Concentrated under 250°C, vacuum at pH8-9, 1 /id,

14% BF3/butanol splitless deriv.

Rain, sewage, Concentrated under 190°C, 1 fA, soil pore water vacuum at pH 8-9, on-column a,/)-bromoacetophenone deriv.

(1) Drinking Water

Drinking water

Ozonated fulvic acid solutions

Ozonated drinking water

Ozonated drinking water

(2) Wastewater

Activated sludge, bench scale exp.

Wastewater, UASB reactor effluent

1. Aqueous PFBHA deriv.

2. MTBE extraction

3. CH2N2 deriv.

1. Aqueous PFBHA deriv.

2. Diethylether extraction

3. CH2N2 deriv.

1. Aqueous PFBHA deriv.

2. MtBE extraction

3. CH2N2 deriv.

1. Aqueous PFBHA deriv.

2. RP18 SPE

3. CH2N2 deriv.

4. MTBSTFA deriv.

Adjust to pH2 with H2S04

Filtration 0.45 fLm, adjust to pH3 with H3PO4

2 fA

250°C, direct aqueous injection 200°C, direct aqueous injection

Water

Stabilwax-DA, 15 m, 0.53 /Ltm i.d., 0.5 fim HP-FFAP, 10 m, 0.53 mm i.d.,

More than 20 na, but

dicarboxylic acids

36,75,78

monocarboxylic acids na, analyzed low

0 0

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