
[分化] 薄層色譜;[分化] 薄層色譜法;[分化] 薄層層析法
Methods Under the various separating condition, the anticoagulating active components of scorpion were appraised with thin layer chromatography(TLC) and paper chromatography.
方法用不同的展開劑,采用薄層色譜法和紙層析法對全蠍抗凝活性成分進行鑒定和分析。
Objective A rapid, ****** detective method-dot immunogold filtration assay-thin layer chromatography(DIGFA-TLC)for quantitative detecting of Plague was established in this experimental study.
目的建立一種簡便、快速的斑點金-薄層色譜法(DIGFA-TLC)用于鼠疫耶爾森氏菌的快速定量診斷。
Thin layer chromatography(TLC) was applied to the separation of oligosaccharides in juice of Jerusalem Artichoke.
采用薄層層析法(TLC)分離菊芋汁中的低聚糖成分。
Objective To discuss the separating condition of the thin layer chromatography(TLC) of the mixture of sudan I and azobenzene.
目的探讨蘇丹黃和偶氮苯混合液薄層色譜(TLC)的分離條件。
Methods Polyamide thin layer chromatography is used to determine the spermidine content in urine.
方法采用聚酰胺薄層層析法測定尿液精脒含量。
The method is ******, convenient, rapid and accurate, which is a new try in inspecting thin layer chromatography by ultraviolet.
該方法簡單方便,快速準确,結果可靠,是紫外檢視薄層色譜的一種新的嘗試。
Methods Thin layer chromatography(TLC) was used to qualitatively identify Rhizoma Smilacis Glabrae and Herba Leonuri of Shenfukang capsule.
方法采用薄層色譜法對腎複康膠囊中益母草、土茯苓進行了定性鑒别。
RESULTS: The micro character and thin layer chromatography was clear with no disturbance of negative sample.
結果:顯微鑒别特征明顯、薄層色普清晰,空白樣品無幹擾;
Method:TSDP metabolites were detected with thin layer chromatography (TLC) and combination of electrospray ionization mass spectrometry (ESI MS) and sequential tandem mass spectrometry (MS n).
方法:用薄層色譜(TLC)及電噴霧質譜(ESIMS)法檢測離體腸内菌對TSDP的代謝産物。
Characterized by thin layer chromatography and fourier transform infrared spectrometry, the biosurfactants producing by TR-1 was identified as one kind of lipopeptide.
經薄層層析、紅外光譜鑒定,TR-1菌産生的生物表面活性劑為脂肽類生物表面活性劑。
A quantitative analysis method-Thin layer chromatography-bromination-determine amine method was established for determining two active ingre***nts in the mixture of MTMC and phoxim.
速滅辛乳油是由速滅威和辛硫磷複配而成,采用薄層分離,分别用堿解定胺法和溴化法對兩種有效成分進行定量分析。
Identify the conjugated systems of main active elements with UV spectrometry, using thin layer chromatography identify amino in the injection.
并采用紫外分光光度法鑒别其有效成分中的共轭結構,用薄層色譜法鑒别注射液中氨基酸。
Objective To establish a thin layer chromatography scanning method for the determination of cinnamaldehyde content in Qianzheng Plaster.
目的建立牽正膏中桂皮醛含量的薄層掃描測定方法。
Monitoring reactions by thin layer chromatography(TLC).
采用薄層色譜(TLC)監控反應。
METHODS: Use thin layer chromatography, repeated silica gel and RP 18 column chromatography together with spectra as well as synthetic methods.
方法:用薄層色譜,矽膠及反向RP18矽膠柱層析色譜和譜學方法。
The experimental results show that the organic compounds with lower boiling point can not be determined by thin layer chromatography because they are volatile.
結果表明,對于低沸點的化合物,由于樣品在點樣和展開過程中揮發損失的原因而不能進行顯色處理,從而無法進行測定。
The qualitative analysis using thin layer chromatography which crocin-1 and crocin-2 as the check samples and the ethy1 acetate-methanol-water (100:16.
對西紅花提取物的精制品進行了分析,定性分析采用薄層色譜法,以西紅花甙-1、甙-2為對照品,************-甲醇-水(100:16。
Methods Thin Layer Chromatography (TLC) was used to identify Fructus Lycii and Cortex Moutan.
方法采用薄層層析法(TLC)對枸杞子和牡丹皮進行定性鑒别;
Methods The developers of MAP in Thin Layer Chromatography(TLC)had been decided in the experiments, and the chromatogram condition of MAP with GC/MS had been stu***d.
方法根據*********的特點,用薄層色譜法對*********的展開劑進行了實驗選定,對其GC/MS分析的色譜條件進行了探讨。
Organic compounds with various boiling points are determined by thin layer chromatography.
采用薄層層析法對不同沸點的有機化合物進行了測定。
Thin layer chromatography can be a quick method to distinguish the frying oil, hogwash oil from good edible vegetable edible oil.
薄層色譜法可以作為鑒别合格食用植物油與潲水油、煎炸老油的快速方法。
Method:Thin layer chromatography and macroporous resin separation method were used.
方法:薄層層析法及大孔樹脂分離方法。
The contents of tyrosine (Tyr) in the ovaries of the mice at various physiological stages were measured by Dansyl chloride reaction and thin layer chromatography on polyamide films.
用薄層層析,熒光光密度法測定了小白鼠卵巢在不同時期及不同生理狀态下酪氨酸含量。
Methods Technology of thin layer chromatography(TLC) and high performance liquid chromatography(HPLC).
方法薄層色譜法及高效液相色譜技術。
Results1) The thin layer chromatography could identify the chlorogenic acid and coffee acid in Lonicera fulvotomentosa effectively ;
結果采用薄層色譜法有效鑒别黃褐毛忍冬中的綠原酸、咖啡酸;
Method Asterosaponin was prepared separately by extraction with methanol or ethanol and was analysed by chromogenic reaction , hemolytic test , ultraviolet spectrum and thin layer chromatography.
方法采用乙醇提取法和甲醇提取法從海星體内提取海星總皂苷,用顯色反應、溶血實驗、紫外光譜分析和薄層色譜對産物進行分析鑒定。
Results:The new standard of thin layer Chromatography spots was clear and the resolution was good.
結果:本制劑新标準薄層圖譜斑點清晰,分離度好。
Methods Thin layer chromatography and salt out are adopted to determine the content of esterified catechins.
方法采用鹽析的方法對茶多酚粗品液進行處理,薄層色譜掃描儀進行酯型兒茶素含量的測定。
薄層色譜法(Thin Layer Chromatography,TLC)是一種基于吸附作用的分離分析技術,主要用于快速分離和鑒定混合物中的成分。以下是其核心要點:
1. 基本原理
通過不同物質在固定相(如矽膠或氧化鋁薄層)與流動相(有機溶劑)中的分配差異實現分離。極性強的物質更易吸附在固定相上,移動較慢;極性弱的物質則隨流動相移動更快。
2. 操作步驟
3. 關鍵參數(Rf值)
計算遷移率:
$$
R_f = frac{text{斑點移動距離}}{text{溶劑前沿移動距離}}
$$
Rf值具物質特異性,可用于定性分析。
4. 應用領域
5. 優缺點
優點:操作簡便、快速(約15-30分鐘)、樣品量少(微克級)。
缺點:分離效率較低,適合初步分析而非高精度定量。
該技術是實驗室常規工具,常與其他色譜法(如HPLC)互補使用。
單詞 "thin layer chromatography" 是由三個單詞組成的術語:thin、layer 和 chromatography。下面是詳細的解釋:
Thin:形容詞,表示“薄”的意思,用于描述一種物體的厚度或寬度。例如:“She has a thin layer of frosting on her cake.”(她的蛋糕上有一層薄薄的糖霜)。
Layer:名詞,表示“層”的意思,可以用于描述一種物體的結構或構成。例如:“The cake has multiple layers of filling.”(蛋糕有多層餡料)。
Chromatography:名詞,表示“色譜法”的意思,是一種用于分離和分析混合物的化學技術。例如:“Thin layer chromatography is a widely used analytical technique in chemistry.”(薄層色譜法是化學中廣泛使用的分析技術)。
因此,"thin layer chromatography" 的意思就是“薄層色譜法”,是一種用于分離和分析混合物的化學技術。
這裡還提供一些相關的例句、用法、解釋、近義詞和反義詞:
例句:
用法:薄層色譜法可以用于分離和分析各種化學物質,包括有機化合物、生物分子和天然産物等。它通常用于質量控制、化學研究和藥物開發等領域。
解釋:在薄層色譜法中,樣品被塗敷在一層薄的吸附劑上(例如矽膠或氧化鋁),然後通過液相色譜或氣相色譜進行分離。化學物質的不同成分會在吸附劑上移動到不同的位置,從而實現分離和分析。
近義詞:其他常見的色譜技術包括氣相色譜(gas chromatography)和高效液相色譜(high-performance liquid chromatography)等。
反義詞:沒有明确的反義詞,但是可以将薄層色譜法與其他分析技術進行對比,例如質譜法(mass spectrometry)或核磁共振(nuclear magnetic resonance)等。
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