21287-U
GC Stationary Phase
phase SP-2330, bottle of 5 g
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About This Item
UNSPSC Code:
41115700
NACRES:
SB.54
Pricing and availability is not currently available.
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Agency
meets requirements for USP G8
form
solid
packaging
bottle of 5 g
parameter
25-275 °C temp. range
technique(s)
gas chromatography (GC): suitable
matrix active group
SP-2330 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 few parameters to consider for choosing a stationary phase.[2] SP-2330 is a cyanosilicone suitable for individual isomer determination. It provides better separation from interfering components specially phthalate plasticizers.[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
Capillary columns filled with SP-2330 is suitable in separating methyl esters of FA analysis suspended in methylene chloride.[4]
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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