20033
ORBO™ 554 H2SO4 on Silica Gel (20/40) 150/75 mg
W,W,W separators, O.D. × L 6 mm × 75 mm, pkg of 50 ea
Synonym(s):
ORBO™ Activated Silica Gel Tube
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About This Item
UNSPSC Code:
47131900
NACRES:
NB.21
material
W,W,W separators, silica gel
agency
NIOSH 2012
product line
ORBO™
composition
Bed A, 150 mg , Bed B, 75 mg
packaging
pkg of 50 ea
manufacturer/tradename
ORBO™ 554
technique(s)
active air sampling: suitable
O.D. × L
6 mm × 75 mm
matrix
H2SO4 coated silica gel
particle size
20-40 mesh
application(s)
air monitoring
environmental
industrial hygiene
Quality Level
General description
- ORBO™ 554 H2SO4 on Silica Gel (20/40) 150/75 mg solvent desorption tube is designed for gas and vapor sampling.
- It contains two beds of the same selective adsorbent separated by glass wool or foam.
- Dual-layer or two-bed construction of the tube allows for any sample breakthrough to be captured in the smaller back-up bed.
Legal Information
ORBO is a trademark of Sigma-Aldrich Co. LLC
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2
flash_point_f
Not applicable
flash_point_c
Not applicable
Storage Class
13 - Non Combustible Solids
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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
A Ørbo et al.
BJOG : an international journal of obstetrics and gynaecology, 123(9), 1512-1519 (2015-12-03)
To investigate relapse rates after the successful treatment of patients with non-atypical endometrial hyperplasia who were randomised to either a levonorgestrel-impregnated intrauterine system (LNG-IUS; Mirena(®) ) or two regimens of oral medroxyprogesterone acetate (MPA) after primary histological response. A multicentre
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.
International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists, 22(2), 141-148 (2003-03-22)
Derangements in the tumor suppressor gene PTEN and the mismatch-repair genes, hMLH1, hMSH2, and hMSH6, have an important role in endometrial carcinogenesis. The purpose of this study was to assess immunohistochemically the pattern of protein expression for these genes in
J P Baak et al.
The American journal of surgical pathology, 25(7), 930-935 (2001-06-23)
Prospective multicenter evaluation of the WHO classification and the morphometric D-score to predict endometrial hyperplasia cancer progression. In 132 endometrial hyperplasias WHO classification was performed by two experienced gynecologic pathologists. The D-score was assessed blindly by technicians in a routine
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