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    Good linearity of the calibration curve between the peak area and the mass concentration of resveratrol was obtained in the range from 1 to 50 mg/L (r=0.9998). The relative standard deviations of two samples were 1.51% and 2.38% (n=6), respectively.

    测定结果表明,白藜芦醇在1-50mg/L时其峰面积与相应的质量浓度有良好的线性关系,其线性相关系数为0.9998,2个样品测定(n=6)的相对标准偏差(RSD)分别为1.51%和2.38%。

    属类:化学及生命科学-化工-化工论文摘录

    The average recovery rate of resveratrol was 98.5% and the detectable limit was 0.01 mg/kg. The results show that this method is simple, sensitive, accurate and reproducible.

    平均回收率为98.5%。最小检测量为0.01mg/kg。测定结果显示:该方法灵敏可靠,具有简便重现性好的特点。

    属类:化学及生命科学-化工-化工论文摘录

    Determination of Rubusoside in Rubus suavissimus S.Lee byReversed-Phase High Performance Liquid Chromatography

    反相高效液相色谱法测定广西甜茶中的甜茶素

    属类:化学及生命科学-化工-化工论文摘录

    Rubusoside is a major sweet component of Rubus suavissimus S.Lee, which is a special product of Guangxi Province, China.

    甜茶素是广西特产甜茶中的主要甜味成分。

    属类:化学及生命科学-化工-化工论文摘录

    The determination of rubusoside by reversed-phase high performance liquid chromatography is reported.

    采用反相高效液相色谱法测定了广西甜茶中的甜茶素。

    属类:化学及生命科学-化工-化工论文摘录

    Separations were carried out under the following conditions: ODS column was used at 20 ℃ with methanol-water (85∶15 in volume ratio)as mobile phase. UV detection wavelength was set at 210 nm.

    条件为:反相C18柱;甲醇-水(体积比为85∶15)溶液为流动相,流速1.0mL/min;紫外检测波长210nm;柱温20℃;外标法定量。

    属类:化学及生命科学-化工-化工论文摘录

    The experimental results showed a good linear relationship between the peak area and mass concentration of the rubusoside within the range of 20-1200 mg/L (r= 0.998)with a relative standard deviation (RSD)of 0.85% (n=8).

    结果表明:甜茶素的质量浓度为20-1200mg/L时,其峰面积与质量浓度具有良好的线性关系,相关系数为0.998。峰面积测定值的相对标准偏差(RSD)为0.85%(n=8)

    属类:化学及生命科学-化工-化工论文摘录

    The average recovery rates for industrial product and the leaves of Rubus suavissimus S.Lee were 99% and 100%, respectively.

    该方法对甜茶素工业品及甜茶原叶中甜茶素的平均回收率分别为99%和100%。

    属类:化学及生命科学-化工-化工论文摘录

    Direct Chiral Separation of Racemic Metal Clusters on Chiral StationaryPhase with High Performance Liquid Chromatography

    液相色谱手性固定相法直接拆分外消旋金属簇合物

    属类:化学及生命科学-化工-化工论文摘录

    A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.

    利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。

    属类:化学及生命科学-化工-化工论文摘录

    Five different chromatographic conditions were used in the investigation of the baseline stability and in the analyses of ginsenosides, red ginseng injection, rhein’s active components and the esters extract from Chuanxiong…

    在5种色谱条件下,分别考察了乙腈溶剂的基线稳定性,通过对人参总皂甙红参注射液大黄酸中的有效成分和川芎酯类部分提取物的分析…

    属类:化学及生命科学-化工-化工论文摘录

    The results indicated that different sources of domestic chromatographic grade acetonitrile had excellent chromatographic performances , but their quality should be improved to catch up the imported chromatographic grade acetonitrile.

    实验结果表明,几种国产色谱纯乙腈同进口色谱纯乙腈相比,虽然基本上能满足色谱分析要求,但质量有待进一步提高。

    属类:化学及生命科学-化工-化工论文摘录

    Study on Quantitative Determination of Albumin in Urine with Electrophoresis-Chromatographic Scanning Method

    电泳-色谱扫描法检测尿中清蛋白

    属类:化学及生命科学-化工-化工论文摘录

    A new method for quantitative determination of albumin in urine was established with electrophoresis-chromatographic scanning method.

    建立了电泳-色谱扫描法检测尿中清蛋白含量的方法。

    属类:化学及生命科学-化工-化工论文摘录

    The albumin in urine was separated with acetic fiber film electrophoresis stained with a newly synthesized colorant, and then quantitatively determined through a CS-930 thin-layer chromatographic scanner.

    该方法利用醋酸纤维薄膜电泳分离尿蛋白后,用作者合成的染色剂染色,用CS-930薄层扫描仪定量测定尿中清蛋白含量

    属类:化学及生命科学-化工-化工论文摘录

    nd with the precision of 4.2% and the recoveries between 96.7% and 104.3%, respectively.

    方法的精密度为4.20%,回收率为96.7%-104.3%。

    属类:化学及生命科学-化工-化工论文摘录

    data are in accordance with the demands of chromatographic scanning. The method is simple, rapid, sensitive and the linear range is broad for the quantitative determination of albumin in urine of nephritic patients.

    利用该方法对肾脏病人尿液中清蛋白的含量进行分析,快捷简便,灵敏度高,检出限低,线性范围宽,结果令人满意。

    属类:化学及生命科学-化工-化工论文摘录

    Determination of Organophosphorus Insecticide Residues by Solid Phase Microextraction Coupled with Gas Chromatography/Mass Spectrometry

    固相微萃取与气相色谱-质谱联用测定有机磷杀虫剂的残留量

    属类:化学及生命科学-化工-化工论文摘录

    Analysis of Photocopy Toners with Pyrolysis Gas Chromatography and Mass Spectrometry

    裂解气相色谱/质谱法检验复印墨粉

    属类:化学及生命科学-化工-化工论文摘录

    Analysis of photocopy toners is very important for both investigation of financial crimes and the formulation of the toner.

    复印墨粉检验分析在经济案件侦查以及墨粉配方研究方面具有十分重要的意义。

    属类:化学及生命科学-化工-化工论文摘录

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