Compound (dilutions in H2 O)
|
Release rates μg/h
|
Supplier
|
Purity
|
LDPE thickness
|
---|
1-butanol
|
168
|
Sigma
|
>99%
|
0.10 mm
|
2,3-butanedione (1:1000)
|
48
|
Fluka
|
>99%
|
0.10 mm
|
2-methyl-1-butanol
|
545
|
Sigma
|
>99%
|
0.03 mm
|
2-methylbutanal (1:1000)
|
31
|
Sigma
|
95%
|
0.10 mm
|
2-methylbutanoic acid (1:1000)
|
39
|
Sigma
|
98%
|
0.10 mm
|
3-hydroxy-2-butanone(solid)
|
32
|
Sigma
|
≥ 97%
|
0.03 mm
|
3-methyl-1-butanol
|
431
|
Fluka
|
≥ 99.8%
|
0.10 mm
|
3-methylbutanal (1:1000)
|
29
|
Fluka
|
≥ 98%
|
0.10 mm
|
3-methylbutanoic acid (1:1000)
|
34
|
Sigma
|
99%
|
0.10 mm
|
Benzeneethanol
|
261
|
Fluka
|
≥ 99%
|
0.05 mm
|
distilled water 0.10 mm
|
31
| | |
0.10 mm
|
distilled water 0.05 mm
|
131
| | |
0.05 mm
|
distilled water 0.03 mm
|
186
| | |
0.03 mm
|
- Each compound was released from a separate LDPE sachet. The thickness of the sachets determined the release rates (μg/h), which was measured by weighting the LDPE sachets before and after the experiment.