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Merck

20265

ORBO™ 53 Activated Silica Gel (20/40) specially cleaned, 400/200 mg with Glass Fiber Filters

GFF,F,F separators, O.D. × L 7 mm × 100 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

Key Documents

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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

100

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Related Categories

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)
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
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
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
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