packaging
bottle of 10 g
parameter
25-200 °C temp. range
technique(s)
gas chromatography (GC): suitable
matrix active group
SP®-1200 phase
solubility
chloroform: soluble
column type
packed GC
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General description
合成的产品更纯净，分子量范围窄，不含用作 GC 固定相的痕量催化剂或杂质。
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-1200 is a low polarity ester type developed to separate the C2-C5 free acids in aqueous solution.
Application
SP 1200 is suitable in GC analysis for quantitative analysis of volatile fatty acids.
Legal Information
SP is a registered trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Repr. 2
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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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