21284-U
GC Stationary Phase
phase SP®-2100, bottle of 10 g
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About This Item
Código UNSPSC:
23151817
NACRES:
SB.54
Produtos recomendados
Agency
meets requirements for USP G1
Nível de qualidade
embalagem
bottle of 10 g
Parâmetros
0-350 °C temp. range
técnica(s)
gas chromatography (GC): suitable
Grupo ativo da matriz
SP®-2100 phase
solubilidade
chloroform: soluble
tipo de coluna
packed GC
Categorias relacionadas
Descrição geral
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 in order to choose a stationary phase. SP-2100 is a methyl silicone fluid suitable as stationary phase.
Synthesized specifically to be purer, of narrow molecular weight range, and without trace catalysts or impurities for use as a GC stationary phase.
Aplicação
SP-2100 fused silica column deactivated with Carbowax 20M is suitable for determining optimal conditions for the analysis of fatty and resin acids in wood resin.
Informações legais
SP is a registered trademark of Sigma-Aldrich Co. LLC
Código de classe de armazenamento
10 - Combustible liquids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
214.0 °F - closed cup
Ponto de fulgor (°C)
101.1 °C - closed cup
Equipamento de proteção individual
Eyeshields, Gloves
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Dorris, G. M.
Journal of the American Oil Chemists' Society, 59, 494-500 (1982)
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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