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Table 1 Instrument information

From: Comparison of four nanoparticle monitoring instruments relevant for occupational hygiene applications

 

Size (m)

Weight (kg)

Power demands

Time resolution

Liquid

Diameter range (nm)

Studied metric

Principal particle size

Aerosol flow rate (lpm)

Sheath flow (lpm)

Aerosol Charger

 SMPS

0.41 · 0.28 · 0.65

+

0.25 · 0.32 · 0.37

30

Power

60 s

Butanol

13.3–487

PNC + PSD

Electrical mobilty

0.3

4

Bipolar 85Kr neutralizer

 FMPS

0.7 · 0.34 · 0.44

34

Power

1 s *

–

5.6–560

PNC + PSD

Electrical mobilty

10

40

Unipolar diffusion charger (corona needle)

 Nanoscan

0.45 · 0.23 · 0.39

8

Battery or Power

60 s

Isopropanol

10–420

PNC + PSD

Electrical mobilty

0.75

–

Non-radioactive unipoar diffusion charger (corona jet type)

 CPC

0.53 · 0.36 · 0.21

1.7

Battery

60 s

Isopropanol

10–1000

PNC

–

0.67

–

–

  1. PNC: Particle Number Concentration PSD: Particle Size Distribution *: calculated as mean results during  60 s
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Journal of Occupational Medicine and Toxicology

ISSN: 1745-6673