内标物
- 网络ISTD;Internal standard
![内标物](../cache/1195368.jpg)
-
苏丹Ⅰ作为HPLC内标物测定沙棘果渣中的β-胡萝卜素
Determination of β - Carotene in Marc of Sea Buckthorn Using Sudan ⅰ as an Internal Standard of HPLC
-
以邻苯二甲酸二丁酯为内标物,测定了DCPCP对内标物的相对质量校正因子。
The dibutyl o phthalate was used as internal standard and the relative mass correction factor of DCPCP was determined .
-
HPLC测定5-FU方法中内标物对氨基苯甲酸的研究
PABA as Internal Standard in Method of HPLC for Determining 5-FU Concentration in Serum
-
方法:以丹皮酚为内标物,用毛细管GC法对二妙丸、三妙丸、四妙丸中β-桉叶醇和茅术醇的含量进行测定。
METHOD : β - eudesmol and hinesol content was determined , using capillary GC method .
-
方法采用n,n-二甲基丙烯酰胺(DMA)作内标物,采用固相萃取/离心分离/吸附/GC方法。
Methods Solid phase extraction / gas chromatography ( SPE / GC ) was established with N , N-dimethyl acrylamide as internal standard .
-
本文采用气相色谱程序升温法,在SE-30填充柱上,以磷酸三苯酯作内标物,用FID检测器对甲基对硫磷和氟氯氰菊酯进行定量分析。
The quantitative analysis of parathion-methyl and cyfluthrin on SE-30 packed column and using triphenyl phosphate as internal standard was introduced .
-
目的合成氘标记的4丁基α沉香呋喃,用作在检测小鼠血药浓度的GCMS方法中的内标物。采用什么标准评价?
Aim To synthesize d _4-labelled 4-butyl - α - agarofuran as an internal standard for use in the GC-MS method developed for quantitation of the drug in the rat serum .
-
然后以确定的内标物浓度与不同含量的GMO玉米样品进行竞争定量PCR反应,以此进一步确定样品中GMO的含量范围。
Then template DNA mixtures containing different proportion GMO were co-amplified with constant internal standard concentration of further determine GMO content in food samples .
-
采用气相色谱法,以正构十二烷作为内标物,使用5%DC-200填充柱和TCD检测器,对乙基氯化物进行分离与定量。
Using gas chromatography , making normal dodecane as internal standard , the ethyl chloride were separated and quantitated by5 % DC-200 packed column and TCD detector .
-
方法验证结果表明:应用毛细管气相色谱,以薄荷脑为内标物,测定BS微囊含量及溶出度的方法准确、可靠,溶剂萃取法提取分离微囊中的BS,操作简便,提取完全。
The results of verification test showed GC with a capillary column which measured the content and dissolution of BS in the microcapsule was reliable and accurate .
-
合理选择了内标物角鲨烷(SQ),理论计算并直接测定了银杏萜内酯的相对质量校正因子,且可靠性好。
Selecting squalane ( SQ ) as an internal standard , the weight correction factors of ginkgolides were confirmed by measurement and theoretical calculation .
-
方法:以正十四烷为内标物,用气相色谱法,DB-5石英毛细管柱,柱温:135℃,FID检测器,测定紫苏叶中紫苏醛的含量。
Method : A DB-5 quartz capillary column was used and the temperature of column was 135 ℃ .
-
采用附有FID检测器和OV-210色谱柱的色谱仪对三氯乙烯进行定量测定,内标物选用戊烷。
A method is introduced for quantitative determination of trichloroethylene by gas chromatograph with OV-210 chromatographic column and FID .
-
选择SE-54毛细管柱、FID检测器;以水杨酸甲酯为内标物,采用内标法测定珍视明滴眼液中冰片的含量。
Using GC method for quantitative analysis of borneol in Zhenshiming eye drops with SE-54 capillary column , FID as the detector .
-
锰与甲醛肟络合物和内标物的最大吸收波长分别为450nm和612nm,校正后A450/A612值与Mn含量之间呈良好的线性关系,相关系数为0.9994。
The maximum absorption wavelength of the complex of manganese with the formaldehyde oxime and the internal standard was 450 and 612 nm , respectively .
-
本文以OV-101为固定液,正二十二烷为内标物,气相色谱法测定溴苯腈辛酸酯乳油中有效成分含量。
The contents of the formulation of bromoxynil octanoate was determined by gas chromatography with FID on OV-101 , and n-docosane as internal standard .
-
结果:在该色谱条件下,样品中β桉叶醇与内标物正十五醇能够很好的分离,β桉叶醇的加样回收率为99.60%,RSD为1.30%。
RESULTS : Both β eudesmol in essential oil and pentadecanol had got satisfactory separation under the chromatographic condition . The mean recovery of β eudesmol was 99.60 % , and RSD was 1.30 % .
-
该法以萘为内标物,在DB-1色谱柱上进行分离,氢火焰离子化检测器。
The samples were well separated on a DB-1 capillary column and detected with FID as a detector .
-
目的以环孢素D为内标物,建立RP-HPLC法测定兔眼房水环孢素A(CsA)药物浓度。
OBJECTIVE To develop a simple and reproducible high-performance liquid chromatography ( HPLC ) method for determination of cyclosporine A ( CsA , also known as cyclosporin A ) in aqueous humor of rabbit eyes using CsD as internal standard .
-
烯唑醇含量分析试样用甲醇溶解,以邻苯二甲酸二乙酯为内标物,在ODS柱和紫外检测器上对试样中的烯唑醇进行高压液相色谱分离和测定。
Dissolved the samples by methanol , with diethyl phthalate as internal standard , the content of diniconazole is separated and determined by means of Liquid Chromatography under high pressure on the ODS column and ultraviolet detector .
-
本法使用氢焰离子化检测器,GDX-103(60~80目)为固定相,以异丙醇为内标物。
In this method FID and GDX-103 ( 60 ~ 80 mesh ) column is used and isopropanol as internal standard meterial .
-
选用SE54型毛细管柱、氢火焰离子化检测器,以三氯代苯为内标物,采用较低的柱温,使内标物与TDI更好地分离,减少了副反应的发生。
The TDI and internal standard chemicals can be separated better and the side reaction is reduced at lower column temperature by use of SE54 capillary column and FID detector .
-
以大豆甙元为内标物在高效硅胶薄层板上采用新型内标法测定了葛根素注射液、中药葛根及中成药玉泉丸中葛根素的含量,建立了新型TLC内标法测定葛根素的新方法。
A new method for the determination of puerarin was established with the new version thin layer chromatographic ( TLC ) internal standard method in high performance silica G thin layer . The content of puerarin in puerarin injection , pueraria Lobata ( Willd ) .
-
本文介绍了抗蚜威与三唑酮复配制剂的气相色谱定量分析方法。用OV-17为固定液,邻苯二甲酸二丙烯酯为内标物进行气相色谱测定。
In this paper , a method for determination pirimicarb combination with triadimefon by gas chromatography was described , by use OV-17 as stationary phase , propenyl phthalate as internal standard .
-
方法:以OV&17为固定液,柱温为160℃,联吡啶为内标物,以FID检测器测定麻黄及其含麻黄的9种成药制剂中麻黄碱的含量。
Method : OV-17 was used as fixative solution , the temperature of column was 160 ℃, bipyridyl was used as internal standard , the content of ephedrine in ephedra and 9 Chinese traditional medicine agent containing ephedrine were determined with FID detector .
-
结果表明,三唑磷与内标物在SBP-50柱上得到良好的分离,色谱峰尖锐,没有杂峰干扰。
The results shown that triazophos and the inner standard can be separated each other on SBP-50 column , with sharp peak and rare contamination .
-
研究了聚乙二醇(PEG)为内标物的电喷雾(ESI)/飞行时间质谱(TOF-MS)准确质量测定方法,并应用于5个红霉素类抗生素质子化分子离子(MH~+)的质量测定。
Using polyethylene glycol ( PEG ) as internal reference , electrospray ionization ( ESI ) / time - of - flight mass spectrometry ( TOF - MS ) was developed to determine the accurate mass of the protonated molecular ions of five erythromycin analogue antibiotics .
-
方法:以正十五醇为内标物,选用石英毛细管柱,10%SE30为固定相,氮气为载气,FID检测器。
By gas chromatography . METHODS : Pentadecanol had been used as the internal standard substance in internal standard method . The GC system consisted of capillary column , 10 % SF 30 as the stationary phase , nitrogen as the carrier gas , and FID as the detector .
-
用添加了磷酸的聚乙二醇(20M)作固定相,以乙醇为溶剂,以甲苯酚为内标物,在国产102G气相色谱仪上分析了氯苯气相水解产物中苯酚的含量。
The phenol in the products of vapor-phase hydrolysis of chlorobenzene to phenol is analysed on the column contained a carbowax ( 20M ) plus H_3PO_4 , ethanol being for solvent and cresol for the interior standard , at 102G gas chromatograph .
-
方法以ODS为固定相,羟苯甲酸乙酯为内标物,以0.2%碳酸铵溶液-乙腈-四氢呋喃(42∶39∶19)为流动相,检测波长为238nm,流速1.0mL·min-1。
Method The column was packed with ODS , using ethyl parahydroxybenzoate as internal standard . The mobile phase was a mixture of 0.2 % ammonium carbonate-acetonitrile-tetrahydrofuran ( 42 ∶ 39 ∶ 19 ) . Chromatography was performed with ultraviolet detector at 238 nm .