21106
Fase stazionaria per GC
phase SE-54, bottle of 50 g
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About This Item
Codice UNSPSC:
23151817
Prodotti consigliati
agenzia
meets requirements for USP G36
Confezionamento
bottle of 50 g
Parametri
50-300 °C temp. range
tecniche
gas chromatography (GC): suitable
Gruppo funzionale matrice
SE-54 phase
Solubilità
chloroform: soluble
Tipo di colonna
packed GC
Descrizione generale
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 a few parameters that should be considered before choosing a stationary phase. SE-54 is good for nonpolar phase as it provides better peak shapes for polar chemicals.
Sintetizzata appositamente per risultare più pura, con range di peso molecolare ristretto e senza impurità o catalizzatori in tracce per l′impiego come fase stazionaria per la GC.
Applicazioni
SE-54 is suitable for analysis of polycyclic aromatic hydrocarbons (PAH) and polychlorinated biphenyls (PCB) using PTE-5 fused silica capillary coulmn.
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves
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