GC Stationary Phase
SUPELCO/21195-U - phase Polyethyleneimine, bottle of 50 g
Product Type: Chemical
column type | packed GC |
matrix active group | Polyethyleneimine phase |
packaging | bottle of 50 g |
parameter | 0-175 °C temp. range |
Quality Level | 100 |
solubility | acetone: soluble |
technique(s) | gas chromatography (GC): suitable |
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. 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. Polyethyleneimine (PEI) is suitable for protein separation. It binds insistently to negative charged stationary phase. It is a pseudostationary phase which is also a cationic polymer. |
General description: | Synthesized specifically to be purer, of narrow molecular weight range, and without trace catalysts or impurities for use as a GC stationary phase. |
Symbol | GHS07,GHS09 |
Signal word | Warning |
Hazard statements | H302 - H317 - H319 - H411 |
Precautionary statements | P261 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 |
Hazard Codes | Xn,N |
Risk Statements | 22-43-51/53 |
Safety Statements | 36/37-61 |
RIDADR | UN 3082 9 / PGIII |
WGK Germany | WGK 2 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
UNSPSC | 23151817 |