搜索结果: 1-14 共查到“工学 solid phase”相关记录14条 . 查询时间(0.136 秒)
Evaluation of Patulin in Commercial Baby Foods by solid Phase Extraction and Liquid Chromatography PDA Detection
homogenised puree HPLC patulin Turkish markers
2015/3/4
A simple, reliable, and rapid RP-LC method has been developed for the determination of patulin in commercial baby foods
from Turkish markets. Solid phase extraction and liquid chromatography with ph...
A novel sorbent for solid-phase extraction coupling to high performance liquid chromatography for the determination of olaquindox in fish feed
HPCL molecular imprinting SPE olaquindox
2014/10/11
A new and hydrophilic molecularly imprinted polymer (MIP) selective for olaquindox was prepared by bulk polymerisation using methacrylic acid as the functional monomer and ethylene glycol dimethacryla...
Determination of volatiles in beer using solid-phase microextraction in combination with gas chromatography/mass spektrometry
GC headspace technique solid phase microextraction volatile compounds
2014/7/10
Headspace solid phase microextraction and purge and trap analysis were used for the determination of volatiles in beer. These methods were compared with the analysis of unconcentrated gas phase and li...
The Solid Phase Bonding of Gold to Metals.
Determination of Reductones, Furans and Organic Acids in Aqueous Model Matrices Using Solid-Phase Extraction and Gas Chromatography/Mass Spectrometry
reductone furan organic acid
2009/5/31
A method using solid-phase extraction (SPE) and GC-MS was developed for the determination of a series of polar and unstable flavor compounds: reductones, furans and volatile organic acids, in aqueous ...
Quantitative Analysis of in Traditional Egyptian Foods (Koushary and Foul Medams), Black Tea, Instant Coffee and Bottled Waters by Solid Phase Extraction-Capillary Gas Chromatography-Mass Spectroscopy
Phthalates Plasticizers Egyptian Foods
2016/5/31
In the present study, method of solid-phase extraction followed by capillary gas chromatography coupled to mass spectrometry (SPE-GC-MS) was used for quantitative analysis of trace levels of phthalate...
Structural control of Fe-based alloys through diffusional solid/solid phase transformations in a high magnetic field
ferrite pearlite bainite martensite magnetic field transformation temperature transformation behavior transformed structure alignment
2010/10/13
A magnetic field has a remarkable influence on solid/solid phase transformations and it can be
used to control the structure and function of materials during phase transformations. The
effects of ma...
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篇名
Heat storage performance of the binary system neopentyl glycol/pentaerythritol and neopentyl glycol/trihydroxy methyl-aminomethane as solid-solid phase change materials
语种
英文
撰写或编译
撰写
作者
王晓伍,吕...
期刊信息
篇名
On-line ion pair solid-phase extraction of electrokinetic multicommutation for determination of trace anion surfactants in pond water
语种
英文
撰写或编译
撰写
作者
Hu Y Y,He Y Z*,Qian L L,Wang L
第一作者单位
De...
Determination of polyphenols in beer by an effective method based on solid-phase extraction and high performance liquid chromatography with diode-array detection
polyphenols beer HPLC SPE spectrophotometric detection
2014/3/4
The determination of polyphenols by spectrophotometric detection is complicated due to their low concentrations in beer. The beer samples have to be pre-concentrated before using the spectrophotometri...
Solid-phase microextraction for analysis of mould cheese aroma
SPME gas chromatography mould cheese aroma compounds
2014/3/17
Solid-phase microextraction coupled with gas chromatography was used for the analysis of volatile aroma compounds in Niva cheese. The extraction conditions were very mild, which minimises thermal, mec...
Determination of chlorinated ethenes in water using headspace solid phase microcolumn extraction combined with thermal desorption in GC injection port
chlorinated ethenes vinyl chloride headspace solid phase microcolumn extraction thermal desorption
2010/8/11
A solvent-free sample preparation method is presented in which volatilized organic substances are extracted via solid phase microcolumn from an appropriate volume of headspace (tens of millilitres) wi...
Determination of vinyl chloride monomer in food contact materials by solid phase microextraction coupled with gas chromatography/mass spectrometry
migration solid phase microextraction (SPME) vinyl chloride monomer
2014/3/19
The present study concerns the optimisation of the headspace solid phase microextraction (HS/SPME) combined with gas chromatography/mass spectrometry (GC/MS) for the vinyl chloride monomer determinati...
Matrix solid phase dispersion as an effective preparation method for food samples and plants before HPLC analysis – a riview
matrix solid phase dispersion high performance liquid chromatography food samples contaminants pesticides drug residues natural compounds
2014/3/19
This review deals with a preparation technique – Matrix Solid Phase Dispersion (MSPD) and its possibilities in the HPLC analysis for contaminants, pesticides, drug residues, and natural compounds in f...