Table 1 Cell-dependent design parameters in the MPCA2 chip

Preconcentrator sorbent type

Carboxen® 1003

Carbopack^TM X

Carbograph^TM 2

Sorbent surface area (m²/g)

1000

240

10

Sorbent chamber volume (μL)

15.2

8.6

2.7

Estimated sorbent mass (mg)

7.4

3.5

1.8

Column coating thickness (μm)

10

5

0.5