1 Chromatographic methods always involve a stationary phase and a moving phase.

2 Coupling chromatographic methods based on different separation mechanisms can enhance the separation potential of the individual methods.

3 The chapter focus then switches to chromatographic modes, reversed phase, ion exchange and size exclusion being examined.

4 Match-Finder is a new software package for chromatographic pattern recognition, or fingerprinting, from Perkins Elmer.

5 The chromatographic analysis of insulin is a new field.

6 We also worked out a modified chromatographic optimization function.

7 Gas Chromatographic Analysis of Nitroglycerin and 1,2,4-Butanetriol Trinitrate.

8 The effects of gas chromatographic conditions on decomposed products of trichlorfon, e. g. injection temperature, injection mode and oven ramp, were studied.

9 Thin-layer chromatographic analysis indicated the contents of lecithin and phosphatidyl ethanolamine in deteriorative phosphatide were reduced visibly.

10 A capillary gas chromatographic method for determination of the residual amounts of acetone, isopropanol and toluene in betaxolol hydrochloride is reported.

11 A chromatographic method for determining optical purity of fungicide , N acylalanines was reported.

12 This paper presents a study of chromatographic separation technology for Thulium, Ytterbium and Lutecium by 5709 leverxtrel resin.

13 The result of infrared chromatographic analysis showed that: both the amino group and carboxyl group participated in the chelating reaction.

14 A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol is introduced in this paper.

15 Gas chromatographic analysis reveals that the reducing gases percentage composition greatly decreases with the increasing of AN.

16 The plate theory is an important part of chromatographic dynamics.

17 According to the equation of chromatographic dynamics, we can get the second central moment and the third central moment of elution curve of HPLC under linear nonideal conditions.

18 Capillary electrochromatography; plate height equation; chromatographic process kinetics; radial diffusion; axial diffusion; column efficiency.

19 Objective : To establish the chromatographic fingerprint for the quality control of gamboge.

20 Objective : To establish chromatographic fingerprint of Carthamus tinctorius L . in Emin ,[] Tacheng and analyze it.

21 Objective To establish gas chromatographic method for butyl acetate in workplace air.

22 Headspace gas chromatographic procedure was described for the determination of 1,4 dloxane alcohol ether sulfate.

23 The SE-703 has been designed to replace traditional liquid solvent extraction usually used for sample preparation prior to chromatographic analysis.

24 I accepted to review this book because for me integration has always been a somewhat impenetrable part of quantitative chromatographic analysis.

25 A thorough knowledge of analytical chemistry and experience in chromatographic and spectroscopic techniques is therefore essential.

26 There is then a solvent free transfer of the analyte to the chromatographic system.

27 Chapters 1 and 2 include descriptions of the various chromatographic, electrophoretic and spectroscopic techniques used in such systems.

28 Results of calorific value obtained by measurement are compared with that obtained gas chromatographic analysis.

29 This thesis focused on evaluation of the antioxidant activities and the counter-current chromatographic separation of bioactive components from R. cordifolia.

30 A method was introduced for determining chloroneb by gas chromatography on OV-101 chromatographic column and flame -ionization detector using dibutyl phthalate as internal standard .

31 Why is the paper chromatographic separation used for the assay of intravascular injection of inosine?

32 A single step chromatographic method for purification of - phycocyanin - PC was set up in this paper.

33 Objective: To establish HPLC chromatographic fingerprint of Citrus reticulata Blanco cv. Dahongan.

34 A capillary gas chromatographic method with directly sampling was established to determine the residual amount of formaldehyde in hydrochlorothiazide.

35 Objective: To establish a high performance liquid chromatographic method for the quantitative analysis of icariin in Gusongbao pill.

36 A gas chromatographic method for quantitative analysis of urotropine is described.

37 Application of the thin layer chromatographic method to the determination of ergometrine, ergotamine and ergotoxine in ergot has been studied.

38 A method for chromatographic peak identification by means of peak shape analysis is presented paper.

39 AIM: To apply Fourier de-convolution method in the purity test of chromatographic peak and develop a novel probability model for evaluation of the accuracy of purity judgment.

40 A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.

41 Methods: Chromatographic fingerprint of Coleus forskohlii was investigated by HPLC - ELSD and gradient elution modeseparation.

42 A high performance liquid chromatographic method was developed for the determination of kaempferol in Qianlie Tai Tablet, a traditional Chinese medicinal preparation.

43 A thin-layer chromatographic method is proposed for separation of strychnine and brucine in the Nux Vomica preparations such as extract, liquid extract, and tincture of Nux Vomica.

44 Second, chromatographic fractionation should be avoided in the application of various surfactants in the combination system.

45 High - performance liquid chromatographic - differential refractive index detective ( HPLC - dRI ) method was established to determine soyasaponins.

46 The chromatographic column used in this method was glass micro ball.

47 The ultrafiltration and chromatographic experiments on Sephadex G-200 showed the range and the distribution of molecular weight.

48 Molecular recognition has stimulated an explosion of solid phase ligand designs and affinity chromatographic applications.

48 is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

49 A gas chromatographic method for the quantitative analysis of monopalmitin and monoolein in fat and oil was described.

50 These parameters contribute to the chromatographic behaviour of a particular stationary phase.

51 The determination method of ethylene chlorohydrin content by using FID chromatograph polyethylene glycol 20M chromatographic column was introduced.

52 So comparing the adsorbed amount of various chromatographic columns, an optimal displacer concentration should be selected.

53 A high performance ion chromatographic method is presented for the simultaneous determination of chloride and sulfate in cane or beet juice, syrup and molasses.

54 A gas chromatographic method is described for determining benzene carboxy - lic acids and esters.

55 Workplace air - Determination of formic acid Gas chromatographic method.

56 Afterchloroform was evaporated , it was used as chelate complex chromatographic stationary phase to purify puerarin extractive.

57 The thin layer chromatographic method was deter-mined to be the examining method for the related substances of encainide HCI.

58 Objective To develop a reversed-phase high performance liquid chromatographic method for the simultaneous determination of luteolin and apigenin in Chrysanthemum morifolium extract.

59 A solid phase extraction-high performance liquid chromatographic(HPLC) method was developed for the simultaneous analysis of thiabendazole and carbendazim in concentrated mandarin juice.

60 We described a sensitive, specific and fast liquid chromatographic assay for determining lamotrigine, a novel anticonvulsant drug, by using a high-speed column.

61 The peaks are identified by finding intersections on chromatogram Thearethe chromatographic curves intersect with the scales.

62 A new method employing model FTV2700 helium ionized gas chromatographic analyzer to analyze the hexafluoroethane(C 2F 6)content in xenon is described.

63 Intellectual multi - column high performance liquid chromatographic system(IMC - HPLG) is a new conception based on both column switching HPLC and intellectual technology.

64 GC 1000 chromatographic analysis instrument is used to analyze gas composition of BF.

65 A reversed phase ion-pair high performance liquid chromatographic method was developed for the simultaneous determination of nicotine and cotinine in human hair.

66 If carefully and properly used excellent chromatographic results and long column lifetime can be achieved.

67 By Vis-UV detector, column efficiencies of conically shaped preparative chromatographic columns with porous polytetrafluoroethylene (PTFE) frit and porous stainless steel frit were compared.

68 MethodsTo select best chromatographic condition by making changes in sorbent, developing agent, color reagent.

69 This paper introduces a gas chromatographic method for quantitative determination of feed gas and products of oxidative dehydrogenation of ethane to ethene.

70 Objective:To establish a method of capillary gas chromatographic analysis for toxicologic study of rapeseed oil and its condensate.

71 High Performance Liquid Chromatographic Analysis of Commercial Grades of N - phenyl - ? ? - naphthylamine.

72 Under the same chromatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

73 Approach on semiautomatic deconvolution of hyphenated chromatographic data has been made in this paper.

74 A reverse-phase high-performance liquid chromatographic method for separation and determination of vinpocetine in biological samples was developed.

75 A high performance liquid chromatographic method(HPLC) was developed for the determination of roxarsone in chicken livers.

76 Primary chromatographic evaluation showed that the retention time of the model solutes increased with the increase of the phenylglycine unit.

77 The chromatographic conditions were optimized using different alcohols as mobile phase modifier. The effect of temperature on chiral separation was investigated.

78 A procedure for recognizing peak purity of Cassiae Semen chromatographic fingerprints by chemometrics method was described.

79 The chromatographic conditions are defined. The quantitative factors of all groups are determined.

80 A gas chromatographic method for the determination of methamidophos pesticide residues in the Allium Chinense was established by means of micro chemistry and solid phase extraction techniques.

81 A high performance liquid chromatographic (HPLC) method was used for determination of the content of furazolidone in feedstuff.

82 Systematic research was conducted to determine a chromatographic method for fiprosil analysis.

83 Urine - Determination of phenol Gas chromatographic method - I Liquid crystal column.

84 An ion chromatographic method for the determination of alkaline and alkaline earth metal cations in high concentration organic wastewater is developed.

85 A review was supplied to introduce LC - API - MS technique including interface, chromatographic system, detection mode,[http:///chromatographic.html] and its application in the study of natural drugs and ethnic drugs.

86 In this paper, the indirect photometric re-versed-phase chromatographic systems of hydroxy acids are studied using aromatic acidic, basic and amphiprotic UV-detectable reagents.

87 The high-speed counter current chromatography(HSCCC) is a new form of support-free liquid-liquid partition chromatographic technique developed in the international academic circles.

88 Based on single column process of packed poromeric chromatographic column, the chromatographic analysis process of transformer oil with SP3430 gas chromatographic apparatus has been improved.

89 A high-performance liquid chromatographic(HPLC) method had been developed to determine (lasalocid) sodium residues in chicken liver.

90 The main components included that the chemical, spectrographic and chromatographic identification methods were set up, the HPLC method was developed for the content determination.

91 This paper address oneself to the application of chromatographic separation technology in starch sugar industry.

92 The honey samples were dissolved in water and acetone and then extracted with hexane- chloromethane, cleaned by C18 SPE cartridge, determined by gas chromatographic electronic capture detector.

93 Eluants used in eluting chromatographic separation of crude oil family compositions are noxious and volatilizable.

94 Therefore, it suggests that the chromatographic component pattern, combined with the soluble sugar content, may be employed as the biochemical criteria for the sex identification of Chinese torreya.

95 A capillary gas chromatographic method with directly sampling was established to determination the residual amount of methanol, ethanol and ethyl acetate in lansoprazole.

96 Aim:To develop a high performance liquid chromatographic (HPLC)with electrochemical detection method for the determination of scutellarin in rat plasma and to study its pharmacokinetics in rats.

97 Aim To establish chromatographic fingerprint of Carthamus tinctorius L. by RP-HPLC in order to control the quality of Carthamus tinctorius L.

98 A gas chromatographic technique tor the analisys of sodium succinate has been studied.

99 The effect of charge-transfer(CT) interaction between the solute molecules in mobile phase on chromatographic process was investigated.

100 High - performance liquid chromatographic - differential refractive index detective ( HPLC - dRI ) method was established to determine group A soyasaponins.

101 A new procedure which is called double suction straining coating method for the preparation of gas-liquid chromatographic stationary phase was reported.

102 The standard of identification: it has been identified according to physiochemistry , UV spectrum , molecular weight , Chromatographic Fingerprints and amino acid analysis.

103 HPLC method for determination of ftibamzone and its chromatographic purity was established.

104 A gas chromatographic technique with electron capture detection procedure was developed for the determination of 7-aminoflunitrazepam (7-AFLNZ), main metabolite of flunitrazepam (FLNZ) in human urine.

105 High - speed counter-current chromatography is a new type of chromatographic technology developed in recent 20 years.

106 Workplace air - Determination of cyclohexanone - Solvent desorption gas chromatographic method.

107 A fast chromatographic determination of formaldehyde and acetaldehyde from the feed - in of pentaerythritol production was reported.

108 With chromatographic separation by extraction column,[] the system was successfully applied to determine the heavy rare earth element dysprosium in ores with satisfactory results.

109 Methods: To select best chromatographic condition by trial and error, making changes in sorbent, developing agent.

110 Results Ethambutol hydrochloride, isoniazid, pyrazinamide and rifampicin all had good chromatographic behavior.

111 Objective To study the standardization of similarity evaluation method of chromatographic fingerprints.

112 A gas chromatographic method for the determination of 3 - octanone in occupational atmospheres was developed.

113 The chromatographic analysis principle and fault diagnosis method of dissolved gasses in transformer oil are discussed. The examples of fault analysis are presented.

114 This paper address oneself to the application of chromatographic separation technology in sugar industry.

115 An ultra-performance liquid chromatographic method with tandem mass spectrometric determination was developed for determination of pemoline in feeds.

116 The process includes elution of urine collected with filter paper, oximation reaction, extraction, methyl silane derivation, and united detection with chromatographic instrument and mass spectrograph.

117 RESULTS: The material basis of the Wuzhuyu decoction was found to be produced chiefly by the chemical constituents contained in No. X4, X9 (rutaecarpine), X10 and X12 chromatographic peaks.

118 Methods: Chromatographic fingerprint of Coleus forskohlii was investigated by HPLC-ELSD and gradient elution mode was applied to chromatographic separation.

119 Results The contents of menthol and methyl salicylate in 6 lots of samples were determined and the constituents concerned were separated well under the chromatographic condition.

120 A reversed-phase high performance liquid chromatographic method has been developed for the determination of amoxicillin residue in beeves .

121 A high performance liquid chromatographic (HPLC)method was developed for the analysis of skatole and indole in porcine tissue and serum samples.

122 In this paper, the gas chromatographic methods used in the research for selective hydrogenation of cyclopentadiene to produce polymer grade cyclopentene have been described.

123 The chromatographic determination results of crude ammoniates conformed to melting point data. Ammoniate of high purity possessed high melting point.

124 A rapid, sensitive and reliable gas chromatographic method(NPD)was developed to determine promecarb residue in cocoa.

125 The products were identified to be brassicasterol and stigmasterol respectively based on their chromatographic and spectral properties as well as by comparison with the authentic samples.

126 A solid-phase extraction(SPE)-reversed-phase high performance liquid chromatographic(RP-HPLC)method for the determination of phoxim and diazinon in oranges has been developed.

127 Physicochemical determinations may include isoform , electrophoretic , and liquid chromatographic patterns, as well as spectroscopic profiles.

128 In order to improve this separation, an isocratic cLC method compatible with MS detection was developed and the influence of several chromatographic factors on separation quality evaluated.

129 Results: Under the qualitative conditions we determined different samples of Citrus reticulata Blanco cv. Dahongan, There were 11 common peaks in chromatographic.

130 The reason of chromatographic abnormality in instrument transformer oil is analyzed. The cautions to put additives in transformer oil are presented.

131 Tangential flow membrane chromatographic column is a new model of immunoadsorption therapy from blood.

132 Thrombin was further purified with CM ion - exchange liquid chromatographic column.

133 A reversed-phase high performance liquid chromatographic method was described for determination of HMF (hydroxymethylfurfural) in royal jelly.

134 The principles, method of the analysis, structure and character of gas chromatographic instrument for vacuum melting furnace with high frequency are introduced and analysed in this paper.

135 A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper.

136 Mobile phase , Diluent, Resolution solution, Standard preparation, and Chromatographic system - Proceed as directed the Assayunder Doxycycline Hyclate.

137 Monodisperse micron-grade polymer microspheres are a focus of study in resent years and have been applied in many field such as chromatographic separation , medicine, and biochemistry.

138 Method: To measure fatty acid's formation with gas chromatographic method and to measure the saponification value.

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139 The concentrations of puerarin, daidzin and daidzein in commercial extract of Puerariae radix were simultaneously quantified by a gradient high performance liquid chromatographic method (HPLC).

140 The Separation efficiency of red blood cell, white corpuscle and blood platelet from pig blood was investigated by chromatographic columns of four celluloses and two ion-exchange resins.

141 This paper reports an improved headspace gas chromatographic method for determination of carboxyl group content in wood fibers.

142 The muscle tissue of extensor digitorum longus was used to determine 3-methyl-histidine (3-MH) by high performance liquid chromatographic (HPLC).

143 The mixed pigments in food sample were separated and determined by ODS liquid chromatography column C18 with appropriate condition and the optimal chromatographic conditions was researched.

144 A capillary gas chromatographic method ( GC ) was established for determining acetaniprid residues in Lonicera japonic.

145 The optimum gas chromatographic analysis condition of determining trichlorobenzene isomer content was obtained.

146 Gas chromatographic analysis for thermal dimerization mixture of pyrolytic C5 fraction was carried out by using capillary column.

147 Objective To develop a chromatographic fingerprinting method for determination of Herba houttuyniae injection.

148 A reversed-phase high performance liquid chromatographic method (RP-HPLC) has been developed for the determination of amoxicillin residue in beeves .

149 A method was developed for pre-column derivatization and gas chromatographic analysis of validamycin A residue in soil.

150 The process includes the HPLC-MS analysis condition of basket fern rhizome extract, chromatographic peak characteristic, compound structure information of the chromatographic components, etc.

151 Under the selected chromatographic conditions, the resolution between methyl 3-amino-2-thiophenecarboxylate and the internal standard diethyl phthalate and impurities was good.

152 A solid phase extraction-high performance liquid chromatographic(HPLC) method was developed for the simultaneous analysis of thiabendazole and carbendazim in concentrated pear juice.

153 Based on liquid chromatographic (LC) monolithic columns, the high-permeable monolithic columns can be applied in GC through changing the ratio of toluene and dodecanol.

154 A capillary gas chromatographic method with an electron capture dector (ECD) for the detection of polychlorinated biphenyls (PCBs) in seawater was developed.

155 A reversed phase high performance liquid chromatographic method for analyzing 4 chloro 2 oxo 3(2H) benzothiazoleacetic ethyl ester (COBTAZAE) as a herbicide is described.

156 OBJECTIVE:Selection of optimal chromatographic conditions for purification of polynucleotide phosphorylase in fast ion-exchange chromatography.

157 Its chromatographic characteristics including column efficiency, operating temperature range, thermal stability, polarity and selectivity were studied, and its separation mechanism was discussed.

158 The total separating size(K1) of CD4 and CH4 was detected by quadrupole mass spectrometer on line, and the relation of K1 and vary chromatographic conditions and sample volume were tested.

159 A nonequilibrium chromatographic rate model was employed to simulate the affinity chromatographic process of urokinase.

160 All chromatographic analytical procedures should include system suitability testing and criteria.

161 The different degradation pathways of o-chlorophenol were revealed in the anodic oxidation and the cathodic reduction through chromatographic analysis.

162 Peak area is recommend to be used as the characteristic variable for chromatographic fingerprints.

163 This paper reports the analyses of the low carbon compositions in fusel oil by using gas chromatographic technique.