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Merck

20265

ORBO 53 gel de sílice activado (20/40) especialmente limpiado, 400/200 mg con filtros de fibra de vidrio

GFF,F,F separators, O.D. × L 7 mm × 100 mm, pkg of 50 ea

Sinónimos:

ORBO Activated Silica Gel Tube

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UNSPSC Code:
47131900
NACRES:
NB.21
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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

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.

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.

Legal Information

ORBO is a trademark of Sigma-Aldrich Co. LLC

Clase de almacenamiento

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)
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
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
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.
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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