21263
GC Stationary Phase
phase SP®-1200, bottle of 10 g
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About This Item
UNSPSC Code:
23151817
Recommended Products
packaging
bottle of 10 g
parameter
25-200 °C temp. range
technique(s)
gas chromatography (GC): suitable
matrix active group
SP®-1200 phase
solubility
chloroform: soluble
column type
packed GC
General description
GC methods are divided into two classes depending on the nature of stationary phases; gas-solid chromatography (GSC) and gas-liquid chromatography (GLC). GSC has solid adsorptive material and solute particles are removed from mobile phase by electrostatic forces. GLC has a thin layer of liquid coated or bonded on the surface of an inert particle or on the walls of the column where solute particles are retained in the liquid phase based on their partition coefficients.[1] The primary necessity of a stationary phase is to provide sample separation sustaining phase integrity over a reasonable period of time. It should be stable for the chemical and thermal changes. Selectivity, peak symmetry, analysis time, degree of separation, peak tailing are a few parameters that should be considered in order to choose a stationary phase.[2] SP-1200 is a low polarity ester type developed to separate the C2-C5 free acids in aqueous solution.[3]
Synthesized specifically to be purer, of narrow molecular weight range, and without trace catalysts or impurities for use as a GC stationary phase.
Application
SP 1200 is suitable in GC analysis for quantitative analysis of volatile fatty acids.[4]
Legal Information
SP is a registered trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Repr. 2
Storage Class
10 - Combustible liquids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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A E van den Bogaard et al.
Journal of clinical microbiology, 23(3), 523-530 (1986-03-01)
Gas chromatographic analysis of volatile fatty acids for identification of obligately anaerobic bacteria and for presumptive diagnosis of anaerobic infections is now widely practiced. However, it is difficult to compare data because only a qualitative analysis is done or only
Stanley Blackburn
Peptides, 286-286 (1986)
James P. Lodge, Jr.
Methods of Air Sampling and Analysis, 98-98 (1988)
David B. Troy, Paul Beringer
Remington: The Science and Practice of Pharmacy, 605-605 (2006)
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