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22421

Supelco

Cold Trap

straight glass liquid condensor (one-piece construction)

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About This Item

UNSPSC Code:
12000000

material

straight glass liquid condensor (one-piece construction)

description

top/inner tube distance from bottom 135 +/- 2mm

packaging

pkg of 1 ea

body H × O.D.

180 mm ± 2 mm × 25 mm , w/o top arm

body H

230 mm ± 2 mm , w/ top arm

side arm L × O.D. × wall thickness

35 mm × 8 mm × 1.5 mm, length +/- 2mm

top/inner tube O.D.

8 mm , distance +/- 2mm

wall thickness

1.5 mm

Application

Cold trap system may be suitable in hydride generation-atomic absorption spectrometry (HG-AAS), used to determine selenium. It is also suitable for determination of inorganic arsenic and organic arsenic using GC-MS.

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Determination of inorganic arsenic and organic arsenic compounds in marine organisms by hydride generation/cold trap/gas chromatography-mass spectrometry.
Kaise, Toshikazu, et al.
Applied Organometallic Chemistry, 2, 339-347 (1988)
U Ornemark et al.
Talanta, 39(9), 1089-1096 (1992-09-01)
A cold trap system for the determination of selenium by hydride generation-atomic absorption spectrometry (HG-AAS) is described. For a 30-ml sample the limit of detection is <2 ng/l. and the precision is better than 4% at the 30 ng/l. level.

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