搜索结果: 1-12 共查到“有机化学 c D/H Analysis”相关记录12条 . 查询时间(1.292 秒)
Compound-Specific δ 34 S Analysis of Volatile Organics by Coupled GC/Multicollector-ICPMS
Compound-Specifi c Volatile Organics
2014/4/8
We have developed a highly sensitive and robust method
for the analysis of δ
34
S in individual organic compounds
by coupled gas chromatography (GC) and multicollector inductively coupled plasma m...
Comparative essential oil analysis of Geranium sylvaticum extracted by hydrodistillation and microwave distillation
Geranium sylvaticum Geraniaceae hydrodistillation microwave distillation essential oil GC-FID GC-MS
2010/12/20
The essential oil of Geranium sylvaticum L. (Geraniaceae) was isolated by hydrodistillation (HD) and microwave distillation (MD). The composition of the volatile oils was characterized by GC-FID and G...
Multichannel spectrophotometry for analysis of organophosphate paraoxon in beverages
Acetylcholinesterase cholinesterase biosensing pesticides assay Ellman
2010/10/14
Multichannel spectrophotometry was performed to assay for paraoxon in spiked beverages. A 96-well microplate was used for this purpose. The measuring protocol was based on inhibition of the enzyme ace...
Dynamic 1H-NMR demonstration of anomeric effect and structure: conformational and configurational analysis of N-2-(1,4-dioxane)-N'-(p-methylbenzenesulfonyl)- O-(p-methylphenoxy) İsourea
Anomeric effect dynamic NMR conformational analysis configurational analysis hydrogen bonds dioxane aminoimidoyl
2010/4/8
The conformational and configurational behavior and the structure of N-2-(1,4-dioxane)-N'-(p-methylbenzenesulfonyl)-O- (p-methylphenoxy) isourea (1) were studied using dynamic NMR. The endo-anomeric e...
Performance analysis for direct 2-propanol fuel-cell based on Pt containing anode electrocatalysts
Propanol Fuel cell Performance Electrocatalyst
2010/4/8
Direct 2-propanol cell performance based on Pt containing anode electrocatalyst was evaluated. Cell performance, open circuit voltage, maximum current density, and maximum power density were measured ...
Memory Effects in Compound-Specific D/H Analysis by Gas Chromatography/Pyrolysis/Isotope-Ratio Mass Spectrometry
Compound-Specifi c D/H Analysis Memory Effects
2014/4/8
Compound-specific analyses of lipid D/H ratios often
encounter ranges of 300‰ or more, and experiments
using D-enriched water to study fractionations often
extend the range up to 1000‰. Here ...
Speciation of Manganese Using a Pneumatic Flow Injection Analysis-Tandem Spectrometer System
Pneumatic flow injection analysis tandem spectrometer manganese speciation UV-Vis spectrometer flame atomic absorption spectrometer
2010/4/16
A pneumatic flow injection-tandem spectrometer system, without a delivery pump, was used for the speciation of manganese (Mn). In this system the suction force of the pneumatic nebulizer of a flame at...
GC-MS Analysis and Antibacterial Activity of Cultivated Satureja cuneifolia Ten. Essential Oil
Satureja cuneifolia Lamiaceae GC Essential oil Antibacterial activity
2010/4/19
The composition of the essential oil of Satureja cuneifolia Ten. cultivated in Konya, Turkey, was investigated by capillary GC-MS. The compounds were characterized by comparison with library searches....
Flow Injection Speciation Analysis of Manganese in Real Samples by Diphenylcarbazide-Spectrophotometric Determination
Flow-injection Speciation Manganese Effluent streams Foods
2010/4/21
The flow injection speciation of manganese in aqueous solution using a spectrophotometry method of detection is presented. Manganese (VII) can be determined spectrophotometrically at 308 nm after the ...
Conformational Analysis of Pol-Rfamide II (Glu}1-Trp2-Leu3-Lys4-Gly5-Arg6-Phe7-NH2) Heptapeptide
Pol-Rfamide II (Glu} 1-Trp2-Leu3-Lys4-Gly5-Arg6-Phe7-NH2) Heptapeptide
2010/4/21
Conformational Analysis of Pol-Rfamide II (Glu}1-Trp2-Leu3-Lys4-Gly5-Arg6-Phe7-NH2) Heptapeptide.
Analysis of Polychlorinated Dibenzofurans (PCDFs) Isomers in Soil Samples
Polychlorodibenzofurans Toxic Materials GC/MS hyphenated technique
2010/6/27
This study presents an analytical method for the separation of a series of polychlorinated dibenzofurans (PCDFs) emitted to the soil. PCDF contaminants were concentrated from soil samples and isolated...
Conformational Analysis of Linear Peptide (Glu1-Leu2-Leu3-Gly4-Gly5-Arg6-Phe7NH2 )
Conformational Analysis Linear Peptide (Glu1-Leu2-Leu3-Gly4-Gly5-Arg6-Phe7NH2 )
2010/6/29
Conformational energy-minimization of the Sea Anemone and Sea Pansy neuropeptide Pol-RFamide (Glu1-Leu2-Leu3-Gly4-Gly5-Arg6-Phe7-NH2) was carried out by molecular mechanics (MM). The linkage bonds wer...