21263
GC Stationary Phase
phase SP®-1200, bottle of 10 g
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About This Item
Código UNSPSC:
23151817
Produtos recomendados
embalagem
bottle of 10 g
Parâmetros
25-200 °C temp. range
técnica(s)
gas chromatography (GC): suitable
Grupo ativo da matriz
SP®-1200 phase
solubilidade
chloroform: soluble
tipo de coluna
packed GC
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.[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 in order to choose a stationary phase.[2] SP-1200 is a low polarity ester type developed to separate the C2-C5 free acids in aqueous solution.[3]
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 1200 is suitable in GC analysis for quantitative analysis of volatile fatty acids.[4]
Informações legais
SP is a registered trademark of Sigma-Aldrich Co. LLC
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Eye Dam. 1 - Repr. 2
Código de classe de armazenamento
10 - Combustible liquids
Classe de risco de água (WGK)
WGK 1
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
Eyeshields, Gloves
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Certificados de análise (COA)
Lot/Batch Number
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Encontre a documentação dos produtos que você adquiriu recentemente na biblioteca de documentos.
A E van den Bogaard et al.
Journal of clinical microbiology, 23(3), 523-530 (1986-03-01)
Gas chromatographic analysis of volatile fatty acids for identification of obligately anaerobic bacteria and for presumptive diagnosis of anaerobic infections is now widely practiced. However, it is difficult to compare data because only a qualitative analysis is done or only
Stanley Blackburn
Peptides, 286-286 (1986)
David B. Troy, Paul Beringer
Remington: The Science and Practice of Pharmacy, 605-605 (2006)
James P. Lodge, Jr.
Methods of Air Sampling and Analysis, 98-98 (1988)
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