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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

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

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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

Pictograms

Corrosion

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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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
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
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
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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