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About This Item
UNSPSC Code:
47131900
NACRES:
NB.21
material
GFF,F,F separators, silica gel
agency
NIOSH 2011,7903, OSHA ID-165SG,ID-174SG
product line
ORBO™
composition
Bed A, 400 mg , Bed B, 200 mg
packaging
pkg of 50 ea
manufacturer/tradename
ORBO™ 53
technique(s)
active air sampling: suitable
O.D. × L
7 mm × 100 mm
matrix
Activated silica gel (specially cleaned)
particle size
20-40 mesh
application(s)
air monitoring
environmental
industrial hygiene
Quality Level
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Application
ORBO™ 53 Activated Silica Gel (20/40) specially cleaned, 400/200 mg with Glass Fiber Filters have been used for active sampling of acid gases, specifically formic and acetic acid, and for collecting inorganic acids in cleanroom air.
General description
ORBO™ 53 Activated Silica Gel (20/40) specially cleaned, 400/200 mg with Glass Fiber Filters consists of two beds of the same selective adsorbent separated by glass, wool, or foam. The dual-layer or two-bed construction of the tube allows for any sample breakthrough to be captured in the smaller backup bed.
Legal Information
ORBO is a trademark of Sigma-Aldrich Co. LLC
Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Application of ion chromatography to the semiconductor industry: I. Measurement of acidic airborne contaminants in cleanrooms.
S Jessie L, et al.
Journal of Chromatography A, 804, 273-278 (1998)
Anne Ørbo et al.
The Journal of steroid biochemistry and molecular biology, 113(1-2), 139-149 (2009-01-14)
Patients with endometrial hyperplasia representing preliminary stages of endometrial cancer have shown to respond to therapy in 100% of the cases when treated with levonorgestrel-impregnated intrauterine device. Anti-proliferative effect has also been reported after application of an anti-progestin impregnated intrauterine
H Stalsberg et al.
Virchows Archiv. A, Pathological anatomy and histopathology, 414(5), 415-422 (1989-01-01)
The autopsies of 12 victims from two snow avalanches in North-Norway are reported. Supportive evidence from non-autopsied and surviving victims is included. Consistent autopsy findings were prominent lung oedema, moderate cerebral oedema, extreme contraction of the left ventricle, petechiae in
Anne Beate Vereide et al.
Gynecologic oncology, 97(3), 740-750 (2005-05-12)
The aim of the study was to investigate apoptosis as a growth regulatory mechanism of gestagen in endometrial precancers and to compare differences in the apoptotic cascade after high and low dose gestagen regimens. Pre- and post-treatment paraffin-embedded endometrial hyperplasia
A Orbo et al.
Gynecologic oncology, 95(1), 82-88 (2004-09-24)
The purpose of the current study was to characterize the role of PTEN in malignant transformation and to evaluate the significance of mutated PTEN exons as prognostic markers in the carcinogenesis of endometrial hyperplasia. A comparison of PTEN mutations as
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