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Table 1 The physicochemical properties of XFM22 and XFM19 (supplier information)

From: The adverse vascular effects of multi-walled carbon nanotubes (MWCNTs) to human vein endothelial cells (HUVECs) in vitro: role of length of MWCNTs

Code

Purity (%)

Diameter

Length (μm)

Special surface area (m2/g)

Density

Electric conductivity (s/cm)

XFM22

> 95

Outer 20–30 nm; inner 5–10 nm

0.5–2

> 110

Tap density 0.28 g/cm3; true density: ~ 2.1 g/cm3

> 100

XFM19

> 95

Outer 20–30 nm; inner 5–10 nm

10–30

> 110

Tap density 0.28 g/cm3; true density: ~ 2.1 g/cm3

> 100