Table 1 Evaluation of the detection system including the cold trap by introduction of given amount of water vapor.

From: Accurate and stable equal-pressure measurements of water vapor transmission rate reaching the 10−6 g m−2 day−1 range

Experiment No.

Supplied water (g m−2 day−1)

Detected water (g m−2 day−1)

1

0

not detected

2

1.8 × 10−4

2.1 × 10−4

3

1.8 × 10−4

1.8 × 10−4

4

1.8 × 10−4

2.2 × 10−4

5

1.8 × 10−5

3.5 × 10−5

6

1.3 × 10−5

3.1 × 10−5

7

1.3 × 10−5

9.8 × 10−6

8

2.0 × 10−6

6.6 × 10−6

  1. The QMS output of underlined experiment No. is shown in Fig. 6.
Back to article page