28463-U
VOCOL® Capillary GC Column
L × I.D. 20 m × 0.18 mm, df 1.00 μm
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About This Item
UNSPSC Code:
77101502
eCl@ss:
32119290
NACRES:
SB.54
Recommended Products
material
fused silica
Agency
EPA TO-17,502.2,624,8015,8260,OLM04.2 VOA,524.2
NIOSH 1003
suitable for EPA 601
parameter
≤25-250 °C temperature (isothermal or programmed)
Beta value
45
df
1.00 μm
technique(s)
gas chromatography (GC): suitable (fast GC)
L × I.D.
20 m × 0.18 mm
application(s)
environmental
food and beverages
forensics and toxicology
industrial hygiene
column type
capillary intermediate polar
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General description
Application: This intermediate polarity column, designed for analyses of volatile organic compounds (VOCs), offers great retention and resolution of highly volatile compounds. Use this column in direct injection ports or coupled to purge and trap systems.
USP Code: None
Phase:
USP Code: None
Phase:
- Bonded
- Proprietary
- ≤0.32 mm I.D., <2 μm: Subambient to 250 °C (isothermal or programmed)
- ≤0.32 mm I.D., ≥2 μm: Subambient to 230 °C (isothermal or programmed)
- ≥0.53 mm I.D., <2 μm: Subambient to 250 °C (isothermal or programmed)
- ≥0.53 mm I.D., ≥2 μm: Subambient to 230 °C (isothermal or programmed)
Other Notes
We offer a variety of chromatography accessories including analytical syringes
Legal Information
VOCOL is a registered trademark of Merck KGaA, Darmstadt, Germany
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Svante Granqvist et al.
Logopedics, phoniatrics, vocology, 40(3), 113-121 (2014-05-29)
Phonation into glass tubes ('resonance tubes'), keeping the free end of the tube in water, has been a frequently used voice therapy method in Finland and more recently also in other countries. The purpose of this exploratory study was to
The effectiveness of phonological intervention in preschool children: a single-subject design study.
Nanna Palle et al.
Logopedics, phoniatrics, vocology, 39(1), 19-29 (2012-11-30)
The purpose was to investigate an intervention model for treating preschool children with phonological processes. Six children, three girls and three boys, between 4y 1m and 5y 7m, with similar developmental phonological disorder (PD) received an individually adjusted intervention including
Youri Maryn et al.
Logopedics, phoniatrics, vocology, 40(3), 122-128 (2014-05-23)
Literature has shown that voice-disordered persons are at higher risk for negative attitudes on several personality and physical appearance traits than vocally normal persons. This study investigated general perceptions of health in subjects with various degrees of dysphonia. Recordings from
Gulsen Pasa et al.
Logopedics, phoniatrics, vocology, 32(3), 128-140 (2007-09-14)
Voice disorders in teachers have a significant impact on their occupational functioning and well being. Teachers are believed to have a high prevalence of voice problems because of the unfavourable acoustic environments in which they work and the high vocal
Ben Barsties et al.
Logopedics, phoniatrics, vocology, 41(1), 27-32 (2014-08-05)
The aim of the study was to determine the impact of body height on speaking fundamental frequency (SF0) while controlling for as many as possible influencing factors such as habits, biophysical conditions, medication, diseases, and others. Fifty-eight females were analyzed
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