22421
Cold Trap
straight glass liquid condensor (one-piece construction)
Product Name
Cold Trap, straight glass liquid condensor (one-piece construction)
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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