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solid phase extraction column     
相关语句
  固相萃取柱
     The extract was purified on a solid phase extraction column (5mm×75mm, packed with 40mg active carbon) with mixture of acetic ether and n-hexane (6∶1, v/v) as eluant. The eluant was concentrated to near dry and re-dissolved in acetone. Purified residues were separated on HP-5 capillary column (15m× 0.53mn, 1.5μm) and detected by nitrogren-phosphorus detector.
     待测农药残留组分在4 5℃加热条件下用乙酸乙酯-正己烷(1∶1,v v)混合溶剂提取,活性炭固相萃取柱(5mm×75mm ,活性炭约4 0mg)净化,乙酸乙酯-正己烷(6∶1,v v)混合液淋洗,HP - 5毛细管色谱柱(15m×0 .5 3mm ,1 5 μm)分离,氮磷检测器测定。
短句来源
     We investigated the pretreatment means including sample extraction,solid phase extraction and conditions of instrumentation and established the method in which 0.5% acetic acid was used for elimination of protein,quaternary amine solid phase extraction column for concentration and purification,symmetry C_ 18 column for isolation and the nucleotides were determined quantitatively at UV 254 nm wavelength with HPLC.
     对试样提取、固相萃取等前处理方式和仪器检测条件进行了研究 ,试样经 0 5 %乙酸去除蛋白质 ,氨基固相萃取柱富集和净化 ,SymmetryC18柱分离 ,2 5 4nm紫外检测器液相色谱分析方法定量检测。
短句来源
     mol/L oxalic acid,and were cleaned up by C_(18) solid phase extraction column. The analytes were separated by HPLC with diode array detector(DAD) and quantified using external calibration curves.
     样品用乙腈和1 mol/L草酸溶液提取,C18固相萃取柱净化,采用高效液相色谱分离,二极管阵列检测器(DAD)检测,外标法定量.
短句来源
     The samples were extracted with 0.01 mol·L-1 disodium ethylenediamine tetraacetate,0.3%phosphate,and(1:1) perchloric acid. Clean-up of samples was performed on a C18 solid phase extraction column. The analytes were separated by HPLC with diode array detector and quantified using external standard calibration curves.
     样品用0.01 mol/LEDTA-2Na、0.3%磷酸溶液、高氯酸(1∶1)混合溶液提取,上清液过C18固相萃取柱净化,采用高效液相色谱分离,二极管阵列检测器(DAD)检测,外标法定量。
短句来源
     Cadmium of sample is primarily separated and concentrated by strong anion exchanging solid phase extraction column, then using this method to determine cadmium, the result is satisfied.
     样品中的镉用强阴离子交换固相萃取柱固相萃取预分离和富集后,用该方法测定,结果令人满意。
短句来源
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  固相萃取法
     METHODS A solution of prednisone as the internal standard was added to a 0.2 mL plasma aliquot. The resulting sample was treated with water and dilute HCl and applied to a C 18 solid phase extraction column,a C 18 column (7 μm particle size,250 mm×4.6 mm ID) was used with the temperature at 40℃.
     方法 用固相萃取法处理样品 ,以泼尼松为内标物 ,C18硅胶键合相为固定相 ,甲醇 四氢呋喃 水 (6 0∶2∶5 0 )作流动相 ,在波长 2 5 4nm处紫外定量检测。
短句来源
  固相萃取小柱
     Method: Sotalol in plasma sample was enriched with C18 solid phase extraction column .
     方法:以C18固相萃取小柱预处理样品。
短句来源
     To adjust water sample to acidity (pH=3) by 1 mol/L citric acid buffer solution, aldehydes and ketones compound can react with DNPH to get stability compound, hydrazone. After enriched by C18 solid phase extraction column and washed by acetonitrile, it was detected by HPLC within 32 min to get the analysis result of 15 kinds of aldehydes and ketones compound.
     将水样用1mol/L柠檬酸缓冲液调节至酸性(pH=3),其中醛酮类化合物与2,4二硝基苯肼(DNPH)发生衍生化反应,生成稳定的化合物———腙,经C18固相萃取小柱富集、乙腈淋洗后,用带有二极管阵列检测器的高效液相色谱仪(HPLC)经32min完成15种醛酮类化合物定性、定量分析。
短句来源
     A method for the determination of phenol compounds in ground surface water samples by high perform- ance liquid chromatography(HPLC)was developed. The phenol compounds including phenol,paranitrophenol, metacresol,2,4-dichlorophenol,2,4,6-trichlorophenol and pentachlorophenol are extracted with GDX-502 resin as solid phase extraction column and eluted with acetonitrile and then determined by HPLC with double-wave- length(at wavelength of 280 nm and 290 nm)ultraviolet detector.
     采用自制GDX-502固相萃取小柱萃取水中苯酚、对硝基酚、间甲酚、2,4-二氯酚、2,4,6-三氯酚、五氯酚等6种酚类化合物,以乙腈作为洗脱剂,选择280 nm和290 nm双波长紫外高效液相色谱进行检测。
短句来源
     This paper studies the development reaction of orthophenanthroline with iron. In the buffering a-gent of hydrochloric acid-hexamethyltetrammine at pH 4.5,orthophenanthroline reacts with iron and then gen-erates stable complex of 3:1,which can be extracted by C18 solid phase extraction column. The enriched com-plex in the column is determined by spectrophotometric method after it is purged with ethanol with λmax= 510nm,ε=2.10 104L.
     研究了邻二氮菲与铁的显色反应,在pH为4.5的盐酸-六次甲基四氨缓冲介质中,邻二氮菲与铁反应生成3:1稳定络合物,该络合物可被C18固相萃取小柱萃取,小柱上富集的络合物用乙醇洗脱后用光度法测定,λmax=510nm,ε=2.10104L.
短句来源
     Plasma samples were enriched, extracted and purified with solid phase extraction column and then analyzed on a CLCC8 column using a mobile phase of acetonitrilemethanolphosphoric buffer (25 mmol/L KH2PO4) at a flow rate of 10 mL/min. The detection wavelength was set at 210 nm and the detection range was 200-260 nm.
     用固相萃取小柱分离、纯化、富集血浆中的MA和AP,在C8柱上测定,条件为以乙腈 甲醇 磷酸二氢钾缓冲液为流动相,流速为1 0mL/min,二极管阵列检测波长为210nm,检测范围为200~260nm。 利用保留时间、紫外光谱进行定性分析。
短句来源
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  “solid phase extraction column”译为未确定词的双语例句
     Contemporary technology of biopharmaceutical analysis and its application are reviewed,including solid phase extraction,column switching,chiral stationary phase,chiral mobile phase,high performance capillary electrophoresis,LC-MS,HPLC-NMR and capillary immunoelectrophoresis.
     对近年来体内药物分析方法中的新技术及其原理,包括固相提取、柱切换技术、手性固定相法、手性流动相法、高效毛细管电泳法、液相色谱-质谱联用技术、液相色谱-核磁共振联用技术、毛细管电泳免疫分析的研究进展及其应用作-综述。
短句来源
     Determination of Trace Lead in High Salt-ContainingSamples by Solid Phase Extraction Column(SPE)Hyphenated with Inductively Coupled PlasmaMass Spectrometer(ICP-MS)
     微柱固相萃取-电感耦合等离子体质谱联用技术用于测定高盐样品中痕量的铅
短句来源
     The aqueous layer was purified by a C 18 solid phase extraction column.
     水层用固相萃取C18柱净化后,用HPLC法在360nm下测定土霉素残留。
短句来源
     Organochlorine and organophosphate pesticide residues in milk were extracted with chloroform, cleaned up with Florisil solid phase extraction column, and then detcr- mined by gas chromatography using electron capture and flame photometric detection rcspec- tively. The columns used were HP-1/HP-5 and DB 17 capillary columns.
     采用一个较快速、简单的方法测定牛奶中有机氯和有机磷农药残留物。 牛奶中农残经氯仿萃取和固相提取净化后,分别用气相气谱-电子捕获检测器和气相色谱-火焰光度检测器直接测定,色谱柱为HP-1接HP-5、DB17大口径石英毛细管柱。
短句来源
     A method is described for the determination of monocrotophos in water sample by using GDX101solid phase extraction column and GC/FPD.
     本文介绍了用自制GDX101固相柱分析被污染水中久效磷农药的分析方法。
短句来源
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  solid phase extraction column
A method was developed for the preconcentration and separation of trace manganese from natural water samples by complexation with dithiocarbamate followed by adsorption onto C18-solid phase extraction column prior to irradiation.
      
The diazonium compound is then subject to the azo coupling reaction with 2-naphthol, and the azo dye formed is extracted by a solid phase extraction column.
      
The penicillins were extracted from the matrix with acetonitrile, transfered to phosphate buffer and automatically trapped on a RP-18 solid phase extraction column.
      
The neutralized urine was passed through a solid phase extraction column, Bond-Elut? C18, and after washing, the substances were eluted with acidified acetonitrile.
      
The pesticides were selectively retained on a solid phase extraction column containing antibodies to chlortoluron and to isoproturon immobilised onto silica.
      
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A capillary gas chromatographic method for identification and simultaneous quantitation of 5 carbamate drugs-metolcarb, isoprocarb, bassa, carbofuran and carbaryl, in human plasma is described. The method employed X-5 macro-reticular resin as adsorbent for the separation and purification of the carbamates from plasma. The extraction efficiency of the home-made solid phase extraction column and three other commercial columns with different packing materials, and the sample evaporation approaches are...

A capillary gas chromatographic method for identification and simultaneous quantitation of 5 carbamate drugs-metolcarb, isoprocarb, bassa, carbofuran and carbaryl, in human plasma is described. The method employed X-5 macro-reticular resin as adsorbent for the separation and purification of the carbamates from plasma. The extraction efficiency of the home-made solid phase extraction column and three other commercial columns with different packing materials, and the sample evaporation approaches are compared and discussed in detail. The recoveries of drugs were examined by comparing the peak area of each carbamate spiked plasma with that obtained after injection of a known amount of standard. Identification of each carbamate was achieved by retention time. Detection limits was 1μg/mL in 0.5mL plasma. Recoveries were in the range of 80. 0%-92. 5%. Precision[within day:RSD 6. 3%-6.8%(n = 6),day-to-day:RSD 6. 6%-10. 8%(n=4)] and linearity(r>0. 99 in the range of 0-40mg/L) are satisfactory for clinically toxicological applications.

报道了用X-5树脂固相萃取分离纯化、气相色谱法(GC)定性和定量同时测定血浆中5种氨基甲酸酯杀虫剂的方法。含药物的血浆可直接用萃取柱处理,用甲醇-乙酸乙酯作为洗脱剂。不同药物的回收率在80.0%~92.5%之间,最低检测浓度为1mg/L,检测灵敏度及线性范围(0~40mg/L)适合临床中毒急救分析的需要。

To establish a simultaneous determination method of central nervous drugs including barbitals,benzodiazepines,phenothiozines and tricyclic antidepressants in human plasma.METHODS:Drugs in plasma were extracted and purified by using X-5 resin solid phase extraction columns,followed by identification and quantitation using capillary GC-FID and GC-MS.RESULTS:More than 20 drugs were simultaneously extracted from human plasma,and effectively separated in GC and TIC spectra.The correlation coefficient...

To establish a simultaneous determination method of central nervous drugs including barbitals,benzodiazepines,phenothiozines and tricyclic antidepressants in human plasma.METHODS:Drugs in plasma were extracted and purified by using X-5 resin solid phase extraction columns,followed by identification and quantitation using capillary GC-FID and GC-MS.RESULTS:More than 20 drugs were simultaneously extracted from human plasma,and effectively separated in GC and TIC spectra.The correlation coefficient of standard curves was larger than 0. 99,and relative standard differences(RSD)were less than 10% for most of the drugs.Under neutral extraction conditions,the lowest detection limits of barbitals were in the range of 2~5μg/ml,in optimized conditions,they were reduced to 0.3~0.5μg/ml.CONCLUSION:X-5 resin solid-phase extraction is fit for the simultaneous extraction and purification of large number of drugs in plasma,therefore it is satisfactory for rapid determination of overdose drugs clinicallly,when combined with capillary GC and GC-MS.

目的:建立测定血浆中巴比妥类、安定类、吩噻嗪类和三环类等临床超剂量中毒病例中常见药物的方法。方法:用X-5树脂固相萃取分离纯化血浆中的药物,用毛细管气相色谱和GC-MS对药物进行定性和定量分析。结果:血浆中20余种酸性、中性和碱性药物可同时被提取出来,并在毛细管气相色谱和GC-MS中得到很好的分离。线性方程的相关系数大于0.99,大部分药物回收率的相对标准偏差(RSD)小于10%。在中性提取条件下,巴比妥类药物GC-FID的最低检出浓度为2~5μg/ml,在优化的提取条件下,可降至0.3~0.5μg/ml。结论:X-5树脂固相萃取的方法适合于血浆中大量药物的同时分离和纯化,结合毛细管气相色谱和GC-MS,可满足临床超剂量中毒分析的要求。

This paper concerns determination of tetramine from whole blood and bait by using GDX-403 solid-phase extraction columns and capillary gas chromatography with nitrogen-phosphorus detector, caffein as internal standard. Add 1.0μg of tetramine into 1ml of whole blood, the recovery is 83.7% with SD less than 3.68% and CV less than 4.61%.The method show sensitive、simple and satisfactory recovery with good reproducibility.

本文介绍了用国产固相柱GDX403分析中毒后全血及毒饵中的毒鼠强。检测方法选用GC/NPD、毛细管色谱技术,咖啡因作内标。该方法具有灵敏、简单、快速、回收率高、稳定性好的特点。在1ml全血中加入1.0μg毒鼠强,回收率为83.7%,变异系数为4.61%。该方法是分析毒饵及中毒后全血中毒鼠强的有效方法。

 
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