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Merck
CN

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

Quality Level

100

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

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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

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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 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
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 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
Anne Ørbo et al.
Anticancer research, 35(12), 6401-6409 (2015-12-08)
To investigate if a levonorgestrel-impregnated intrauterine system (LNG-IUS) was more efficient compared to oral progestin in the clearance of the paired box 2 gene (PAX2) - and phosphatase and tensin homolog (PTEN)-null endometrial glands and assess the significance of PAX2-
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Air Monitoring

Air monitoring is used to measure the level of air pollutants in environmental, industrial, or indoor settings to assess the air quality per standards established by health and regulatory agencies.

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