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ORBO™ 52 Small Activated Silica Gel (20/40) 150/75 mg, pk 50

W,W,F 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

material

W,W,F separators
silica gel

Quality Level

100

Agency

NIOSH 2002,2003,2004,2005,2010,2013,2014
OSHA 16,21

product line

ORBO™

composition

Bed A, 150 mg
Bed B, 75 mg

packaging

pkg of 50 ea

manufacturer/tradename

ORBO™ 52 Small

technique(s)

active air sampling: suitable

O.D. × L

6 mm × 75 mm

matrix

Activated silica gel

particle size

20-40 mesh

application(s)

air monitoring
environmental
industrial hygiene

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General description

  • ORBO™ 52 Small Activated 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

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Bjørn T Moe et al.
Anticancer research, 29(4), 1047-1052 (2009-05-06)
Endometrial hyperplasia is a precursor lesion of endometrial carcinoma. Clinical studies of endometrial hyperplasia have shown that levonorgestrel (LNG) is more therapeutically effective than medroxyprogesterone acetate (MPA). The present pharmacological in vitro study was performed to compare progestin effects on
A Orbo et al.
Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 117(7), 972-976 (1997-03-10)
The development of female steroid hormone-related neoplasms such as gynaecologic and mammary cancers is influenced by hormones administered exogenously. Hormonal contraceptives and hormone replacement therapy both affect the risk of developing cancers in the endometrium, cervix, ovarium, and mammary glands.
K Flo et al.
Scandinavian journal of clinical and laboratory investigation, 55(8), 715-721 (1995-12-01)
Elevated extracellular cGMP levels have been observed in various clinical conditions, and the analyte has been proposed as a diagnostic marker of cardiovascular as well as malignant diseases. However, the use of extracellular cGMP as a pathophysiological marker requires detailed
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
A Orbo et al.
International journal of oncology, 5(3), 619-625 (1994-09-01)
About 50% of the cases with invasive carcinoma of the uterine cervix occurs before menopause. Cyclic changes of sex steroids may therefore interfere with the ratio between extracellular levels of cGMP and cAMP (cGMP(ex)/cAMP(ex)). This ratio has been proposed as
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