21042-U
GC Stationary Phase
phase Di-n-decyl phthalate, bottle of 25 g
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packaging
bottle of 25 g
parameter
10-175 °C temp. range
technique(s)
gas chromatography (GC): suitable
matrix active group
Di-n-decyl phthalate phase
solubility
acetone: 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 before choosing a stationary phase.[2]
Synthesized specifically to be purer, of narrow molecular weight range, and without trace catalysts or impurities for use as a GC stationary phase.
Application
Di-n-decyl phthalate may be used as a stationary phase along with other stationary phases in order to determine the relation between the Kovats′ coefficient and the retention polarity for silicone stationary phases and their mixtures .[3]
Kit Components Only
Product No.
Description
- Didecyl phthalate
Storage Class
10 - Combustible liquids
wgk_germany
WGK 1
flash_point_f
392.0 °F - closed cup
flash_point_c
200 °C - closed cup
ppe
Eyeshields, Gloves
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Kovats' coefficients for predicting polarities in silicone stationary phases and their mixtures.
Fernandez-Sanchez, E., et al.
Chromatographia, 31, 75-79 (1991)
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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