色譜柱 的英文怎麼說
中文拼音 [shǎipǔzhù]
色譜柱
英文
chromatographic column-
Preparation and ageing of column for determination of benzoyl peroxide
測定過氧化苯甲酰所需色譜柱的制備及老化方法研究As we were getting the extra, unseparated, duplet or splitted peak in our analysis ( done in presence of chinese people even with using their column and method ) these chromatograms are also exhibiting the unseparated, duplet, splited extra peak at the r. t. 2. 42 and 2. 54 having the equal basemarking width of only one peak compaired to other peaks of the impurities
我們在分析時得到了額外的未分離的峰、對峰或裂峰(在中方人員面前當場試驗,甚至使用中方人員的色譜柱和分析方法時也是如此) ,這些色譜圖在保留時間為2 . 42和2 . 54分鐘時也呈現出額外的未分離的峰、對峰和裂峰,與雜質的其它峰相比,這些峰的峰底寬不相上下。The sample is transported through the column by the mobile phase.
試樣由移動相帶著穿過色譜柱。There should be no dead volume connection between chromatographic column and sampler as well as outlet and detector, so as to prevent the test samples from spreading and influence the separation
1色譜柱與進樣器及其出口端與檢測器之間應為無死體積連接,以免試樣擴散影響分離。As resolved compounds emerge separately from the column, they pass through a differential detector, which responds to the amount of each compound present
經由色譜柱洗脫分離的組分從色譜柱流出后,進入特殊的檢測器。Elution the removal of an adsorbed substance in a chromatography column or ion - exchange column using a solvent ( eluent ), giving a solution called the eluate
洗脫:是用溶劑(洗脫液)將色譜柱或離子交換柱中的被吸附物質洗脫出來並排出洗出液的過程。Following, we developed an electronic nose adopting advanced technology which combined capillary column to separate vocs according their different retention time and surface acoustic wave sensor coating with polymer film to detect the qualities of those vocs. in my article, lung cancer situation, breath detection principle, feasibility of electronic nose adopting breath detection, and the principles of spme & gc have been particularly introduced. and initially certified the correlation between lung cancer and the marker vocs by detecting lung cancer patients breath, normal human breath, and lung problem patients by solid phase microextraction ( spme ) and gas chromatography ( gc ) system
本課題根據國外關于呼吸氣體中某些有機氣體成分和肺癌相關性的研究工作報告,採用固相微萃取?氣相色譜系統對肺癌病人呼吸氣體、正常人呼吸氣體、和其它類肺病患者呼吸氣體中的有機氣體成分進行對比檢測、研究,以期確定肺癌病人呼吸氣體中特徵有機氣體成分;並且期望建立首創的採用毛細管色譜柱與聲表面波傳感器聯用技術的電子鼻系統,與固相微萃取?氣相色譜系統作為對比檢測,能夠做到粗篩肺癌病人。Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system
各品種項下規定的條件除固定相種類、流動相組成、檢測器類型不得任意改變外,其餘如色譜柱內徑、長度、固定相牌號、載體粒度、流動相流速、混合流動相各組成的比例、柱溫、迸樣量、檢測器的靈敏度等,均可適當改變,以適應具體的色譜系統並達到系統適用性試驗的要求。All the chromatograms ( received ) i. e resolution solution, 3 standards, rifampicin dilute test soln., assay solution are chromatographed at the responce of 0. 18 au but only the chromatogram of test preparation showing impurities is chromatographed at the response 0. 44 au to hide the unseparated problematic impurity peak
我們在分析時得到了額外的未分離的峰、對峰或裂峰(在中方人員面前當場試驗,甚至使用中方人員的色譜柱和分析方法時也是如此) ,這些色譜圖在保留時間為2 . 42和2 . 54分鐘時也呈現出額外的未分離的峰、對峰和裂峰,與雜質的其它峰相比,這些峰的峰底寬不相上下。Determination of dicofol residue in tea by wide - bore capillar y gas chromatographic column
大口徑毛細管氣相色譜柱測定茶葉中三氯殺蟎醇的殘留量Once in the column, compounds in the test mixture are separated by virtue of differences in their capacity factors, which in turn depend upon vapor pressure and degree of interaction with the stationary phase
當樣品進入色譜柱后,混合試樣中各組分由於容量因子的差異會被彼此分離開,分離程度取決于各組分蒸汽壓和組分與固定相之間的相互作用。The experiment result proved that the new stationary phase in packed column could completely separate the components of hydrogen and helium
實驗結果表明,採用氣相色譜熱導檢測器,配用金屬鈀做色譜柱固定相,可成功地完成對氫、氦組分的分離和檢測。In order to compare the retention time ( rt ) and limits of detection of 20 organophosphorous insecticides in different conditions the experiments were carried out using a medium polar capillary column ( db - 1701 ) and a no polar capillary column ( db - 1 ) with two detectors ( gc - fpd and npd ). the rt of 20 organophosphorous insecticides in two different polar capillary columns was a retention qualitative method for 20 organophosphorous insecticides. db - 1701 capillary column coupled with gc - fpd detector was used in the following study, the limits of detection were in range of 5x10 - 11 ~ 2x 10 - 12 g, the linear range was 2x 10 - 9 ~ 1 x 10 - 11g
本研究用兩種檢測器(氮磷檢測器和火焰光度檢測器儀器)和兩種不同極性色譜梓(中極性毛細管色譜柱db - 1701 、非極性毛細管色譜柱db - 1 )作為研究手段,比較了20種有機磷殺蟲劑在兩種色譜柱( db - 1 、 db - 1701 ) 、兩種檢測器( fpd 、 npd )上的保留時間及最小檢測量,建立了用不同極性色譜柱上有機磷農藥的保留時間可作為有機磷農藥雙柱定性確證的的方法;建立了db - 1701 , gc - fpd測定蔬菜中20種有機磷殺蟲劑的氣相色譜法,該方法的最小檢測量為5 10 ~ ( - 11 ) 2 10 ~ ( - 12 ) g ,線性范圍在2 10 ~ ( - 9 ) 1 10 ~ ( - 11 ) g時,相關性良好。The main products now include analytical and preparative hplc systems ( pumps and uv - vis detectors ), dynamic axis pressure columns, common preparative columns, column packing pump systems and all kinds of hplc fittings
公司的主導產品目前有分析高效液相系統、制備高效液相系統、動態軸向壓縮系統、常規、特型制備色譜柱、裝柱系統以及液相色譜儀的附件、備件等。High performance liquid chromatography is such a chromatography making separation and determination by pumping preset mobile phase into a chromatographic column filled with filler through high pressure infusion pump
高效液相色譜法系採用高壓輸液泵將規定的流動相泵入裝有填充劑的色譜柱進行分離測定的色譜方法。When injecting samples, chromatographic column should be completely flushed and balanced with mobile phase ; if the system applicability is not up to regulation, or if filling agents are damaged, replace with new similar chromatographic column for analysis ; if operation according to procedures can not reach scheduled separation due to existence of certain difference between degree of bond of chemically bonded - phase of similar filling agents and performance, another brand of similar chromatographic column can be used for test
3進樣前,色譜柱應用流動相充分沖洗平衡,如系統適用性並不符合規定,或填充劑已損壞,則應更換新的同類色譜柱進行分析,由於同類填充劑的化學鍵合相的鍵合度及性能等存在一定差異,往往依法操作達不到預定的分離時,可更換另一牌號的同類色譜柱進行試驗。The variable factors of liquid chromatography are composition and ph value of the mobile phase, same type of chromatographic column but from different manufacturers or different batches, column temperature, sampler and detector temperature, etc
液相色譜法中典型的變動因素有:流動相的組成和ph 、不同廠牌或不同批號的同類型色譜柱、固定相、柱溫、進樣器和檢測器溫度等。Chromatographic column : the most commonly used filler of chromatographic column is chemically bonded silica gel
色譜柱最常用的色譜柱填充劑為化學鍵合硅膠。Preparation of a new weakly acidic cation exchanger and the evaluation of cations by non - suppressed ion chromatography
新型弱酸性陽離子色譜柱的制備及非抑制型離子色譜法電導檢測The temperature - control accuracy of gas chromatograph, mode of entry of liquor samples from vaporizing chamber after vaporization to chromatographic column, dnp chromatographic column efficiency, and liquor analysis time length etc. are the factors influencing the accuracy of the data in the analysis of liquor microconstituents by gas chromatograph
氣相色譜儀器的控溫精度、酒樣進入汽化室汽化后進入色譜柱的方式、 dnp色譜柱效、酒樣分析時間的長短等都是影響氣相色譜儀分析白酒中微量成分數據準確性的重要因素。分享友人