The Reproducibility of Indoor Air Pollution (IAP) Measurement: A Test Case for the Measurement of Key Air Pollutants from the Pan Frying of Fish Samples
Table 2
Details of the sample, sampling, and analytical system for the analysis of smoke released from mackerel samples.
(a) Information of mackerel sample
Order
Sample code
Weight (g)
Room Temperature (°C)
Sampling
Date
Time
1
M1
192
15.3
27 Jan. 2014
10:03
2
M2
169
17.0
27 Jan. 2014
13:10
3
M3
200
16.5
27 Jan. 2014
16:11
4
M4
194
16.1
27 Jan. 2014
19:03
5
M5
186
16.2
28 Jan. 2014
10:20
6
M6
167
16.9
28 Jan. 2014
13:31
7
M7
184
16.4
28 Jan. 2014
16:07
8
M8
189
15.8
28 Jan. 2014
19:09
9
M9
189
17.1
29 Jan. 2014
11:08
10
M10
191
16.5
29 Jan. 2014
14:10
11
M11
195
15.9
29 Jan. 2014
17:07
(b) Information of sampling
(1) Target compounds:
Gaseous VOCs ()
(2) Sampling approach:
Lung sampling
(3) Sample container:
10 L polyester aluminum (PEA) bag
(4) Sampling flow rate:
20 L min−1
(5) Sampling time:
0.5 min
(6) Sample volume:
10 L
(c) Analytical method
Order
Target compounds
Pretreatment
Separation system
Detector
1
Particulate matters ()
—
—
90° light-scattering laser photometer
2
FA
DNPH-cartridge
HPLC: Acclaim 120 C18
UV
AA
3
Aldehyde (4)
Sorbent tube/thermal desorption
GC: wax column (30 m × 0.25 mm × 0.25 μm)
Quadrupole mass spectrometry
Aromatics (4)
Ketone (1)
Ester (1)
(d) Operational description of two instrumental systems (HPLC and GC) in this study
(A) HPLC/UV (Spectrasystem UV2000, Thermo scientific, USA) system for carbonyl compounds analysis
(i) Injector
(iii) Detector (UV)
Volume:
20 μL
Wavelength:
360 nm
(ii) Pump
(iv) Column (C18, Hichrom, UK)
Flow rate:
1.5 mL/min
Length:
250 mm
Mobile phase:
70 : 30 acetonitrile : H2O
Diameter:
4.6 mm
Analysis time:
16 min
Particle size:
5 μm
(B) TD-GC/MS system
(1) GC (SHIMADZU GC-2010, JAPAN) and MS (SHIMADZU GCMS-QP2010, JAPAN) system
(i) Oven
(ii) Detector (MS)
1st oven temperature:
40°C (5 min.)
Ionization mode:
EI (70 eV)
1st oven rate:
5°C min−1
Ion source temperature:
230°C
2nd oven temperature:
220°C (5 min.)
Interface temperature:
230°C
Total time:
46 min
TIC scan range:
35~600 M z−1
Carrier gas:
He (99.999%)
Column flow:
1 mL min−1
(2) Thermal desorber (UNITY II, Markes International, Ltd., UK) condition