Multi-layer cartridges filled with multi-walled carbon nanotubes for the determination of volatile organic compounds in indoor air.

Multi-layer cartridges filled with multi-walled carbon nanotubes for the determination of volatile organic compounds in indoor air.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry (2008-04-12)

Jiemin Liu, Lin Li, Zhanwu Ning, Peng Zhao, Huili Fan

ABSTRACT

A kind of new multi-layer adsorbent including Tenax TA/multi-walled carbon nanotubes (MWCNTs)/Carboxen 564 was developed for collecting volatile organic compounds. The adsorption and desorption efficiencies of 11 kinds of adsorbents (including Activated charcoal, Tenax TA, Carboxen 564, Chromosorb 101, Chromosorb 102, Chromosorb 103, Chromosorb 105, Porapak Q, GDX 301, XAD-2, and MWCNTs) were compared. By combining the advantages of Tenax TA, MWCNTs, and Carboxen 564, new type of multi-layer adsorbents was developed. The adsorption and desorption efficiency, the sampling reproducibility, and the effect of water were improved using multi-layer adsorbents, Tenax TA/MWCNTs/Carboxen 564. New multi-layer adsorbents were successfully applied to the determination of volatile organic compounds (VOCs) in ambient air.

MATERIALS

Product Number

Brand

Product Description

57298-U

Supelco

SPME Fiber Assembly, 50/30µm DVB/CAR/PDMS, StableFlex (1 cm), needle size 23 ga, Autosampler, pk of 3, plain gray hub

57299-U

Supelco

SPME Fiber Assembly, 50/30µm DVB/CAR/PDMS, StableFlex (2cm), needle size 23 ga, Autosampler, pk of 3, notched gray hub

10264

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 564, 20-45 mesh, bottle of 10 g

54041-U

Supelco

Carboxen^® 1000 Reversible SPE Tube, 200 mg/mL, pk 30

11048-U

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 569, 20-45 mesh, bottle of 500 g

57319

Supelco

SPME Fiber Assembly, 75 μm CAR/PDMS, Fused Silica (1 cm), needle size 24 ga, Autosampler, pk of 3, black hub

57906-U

Supelco

SPME Fiber Assembly, 85 μm CAR/PDMS, Metal Alloy (1 cm), needle size 23 ga, Autosampler, pk of 1, light blue hub

11072-U

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 572, 20-45 mesh, bottle of 10 g

57344-U

Supelco

SPME Fiber Assembly, 75 μm CAR/PDMS, Fused Silica (1 cm), needle size 23 ga, Manual Holder, pk of 3, black hub

57318

Supelco

SPME Fiber Assembly, 75 μm CAR/PDMS, Fused Silica (1 cm), needle size 24 ga, Manual Holder, pk of 3, black hub

57334-U

Supelco

SPME Fiber Assembly, 85 μm CAR/PDMS, StableFlex (1 cm), needle size 24 ga, Manual Holder, pk of 3, light blue hub

57329-U

Supelco

SPME Fiber Assembly, 50/30µm DVB/CAR/PDMS, StableFlex (1 cm), needle size 24 ga, Autosampler, pk of 3, plain gray hub

10269

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 569, 20-45 mesh, bottle of 10 g

11324-U

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 564, 20-45 mesh, pack of 144 × 290 mg

10471

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 1003, 40-60 mesh, bottle of 10 g

10478-U

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 1000, 60-80 mesh, bottle of 10 g

57914-U

Supelco

SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), for use with autosampler, needle size 23 ga, metal alloy fiber, fiber L 2 cm

57912-U

Supelco

SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), needle size 23 ga, metal alloy fiber, for use with autosampler, fiber L 1 cm, pkg of 1 × ea

24246

Supelco

Carboxen^®-1010 PLOT Capillary GC Column, L × I.D. 30 m × 0.32 mm, average thickness 15 μm

24241-U

Supelco

Carboxen^®-1006 PLOT Capillary GC Column, L × I.D. 30 m × 0.32 mm, average thickness 15 μm

25461

Supelco

Carboxen^®-1006 PLOT Capillary GC Column, L × I.D. 30 m × 0.53 mm, average thickness 30 μm

25467

Supelco

Carboxen^®-1010 PLOT Capillary GC Column, L × I.D. 30 m × 0.53 mm, average thickness 30 μm

10263

Supelco

Carboxen^® Adsorbent, matrix Carboxen^® 563, 20-45 mesh, bottle of 10 g

57343-U

Supelco

SPME Fiber Assembly, 75 μm CAR/PDMS, Fused Silica (1 cm), needle size 23 ga, Autosampler, pk of 3, black hub

57328-U

Supelco

SPME Fiber Assembly, 50/30µm DVB/CAR/PDMS, StableFlex (1cm), needle size 24 ga, Manual Holder, pk of 3, plain gray hub

57348-U

Supelco

SPME Fiber Assembly, 50/30µm DVB/CAR/PDMS, StableFlex (2cm), needle size 24 ga, Autosampler, pk of 3, notched gray hub