Table 2 Determined key emission parameters based on ventilated chamber C-history method at 5 different AHs.

From: Influence of humidity on the initial emittable concentration of formaldehyde and hexaldehyde in building materials: experimental observation and correlation

AH (g/m3)

Cm,0 (μg/m3)

Dm (m2/s)

K

R2

Formaldehyde

4.6 ± 0.5

2.07 × 106

8.57 × 10−11

1.34 × 103

0.90

9.2 ± 0.5

4.63 × 106

1.49 × 10−10

2.06 × 103

0.99

12.7 ± 0.5

5.98×106

1.10 × 10−10

3.04 × 103

0.98

15.0 ± 0.5

1.43 × 107

1.31 × 10−10

3.61 × 103

0.98

20.0 ± 0.5

2.39 × 107

1.14 × 10−10

4.33 × 103

0.94

Hexaldehyde

4.6 ± 0.5

2.26 × 105

1.63 × 10−10

1.61 × 102

0.93

9.2 ± 0.5

3.66 × 105

2.27 × 10−10

1.81 × 102

0.93

12.7 ± 0.5

5.42 × 105

1.17 × 10−10

2.34 × 102

0.98

15.0 ± 0.5

6.49 × 105

1.86 × 10−10

2.69 × 102

0.93

20.0 ± 0.5

6.91 × 105

1.16 × 10−10

2.80 × 102

0.98