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- Total phosphatidylcholine was isolated from soybean lipids with ethanol water.The effect of composition and flow rate of mobile phase was investigated. 采用乙醇-水体系分离了大豆浓缩磷脂中的磷脂酰胆碱,考察了流动相组成和流速对分离效果的影响。
- flow rate of mobile phase 流动相流速
- ICS-A23 ion chromatography column and its guard column ICS-A2G were selected, mobile phase of the HPLC was (NH4)2CO3 of 0.03 mol/L at flow rate of 1 mL/min. 采用ICS-A23色谱柱分离IO3-和I-;以(NH4)2CO3为流动相;浓度0.;03mol/L;流速1mL/min。
- The analysis adopted a fixed phase which was Apollo C18 column, a mobile phase which was V(methanol) : V(water) : V(acetic acid ) = 75:25:5 at a flow rate of 1.0 mL/min, and UV detection at 254 nm. 采用Apollo C18分析柱;流动相是V(甲醇):V(水):V(冰醋酸)=75:25:5;流速1.;0 mL/min;紫外检测波长254 nm;柱温为室温。
- Method HPLC was adopted. The system consisted of Hypersil ODS2 column and methanol-0.1% phosphonic acid(23:77) as mobile phase with a flow rate of 1.0mL/min and the uV detection wavelength was 250 nm. 方法采用高效液相色谱法测定甘草酸的含量;色谱柱Hypersil ODS2柱;流动相为甲醇-0.;1%25磷酸溶液(23:77);流速1
- The incompatibility of the two dimensional mobile phases was avoided because the flow rate of the first dimension is only 1/500 of that of the second dimension. 因为第一维的流动相流量仅是第二维的1/500;自然解决了流动相兼容问题.
- On the base, the chromatographic retention values were predicted in different rate of mobile phases, and then the optimum chromatographic separation conditions were selected. 以此预测不同流动相比例下各化合物的色谱保留值,进而确定最佳色谱分离条件。
- Equilibrate the column with the prescribed mobile phase and flow rate at room temperature or at the temperature specified in the monograph until a stable baseline is achieved. 在室温或专论中指定的温度,用指定的流动相和流速平衡色谱柱,直至获得稳定的基线。
- The column was hypersil BDS(4mm x 250mm). The mobile phase was 0. 1% triethylamine(adjusted to pH 3.2 with phosphoric acid)-acetonitrile(85:15). The detective wavelength was 256nm and the flow rate was 1ml/min. 色谱柱为Hypersil BDS(4mm×250mm);流动相为0.;1%25三乙胺(用磷酸调pH至3
- Chromatographic conditions such as the column temperature, flow rate and the composition of the mobile phase were characterized to search the recognition mechanism of the sinomenine MIP. 初步研究了其在水相中的识别机理,选择出青藤碱与其结构类似物的最佳分离条件;
- Chromatographic conditions such as the column temperature, flow rate and the composition of the mobile phase were characterized to search the recognition mechanism of the naproxen MIP. 初步研究了其在水相中的识别机理,选择出消旋体萘普生的最佳分离条件;
- Mobile phase 10g/L KH 2PO 4 (pH 3.5): ACN is 70:30.The speed of mobile phase was 1.0ml/min. 色谱柱为InertsilODS - 3;柱温为室温 ;流动相为磷酸二氢钠 (10g/l磷酸调pH 3.;5 ) :甲醇 =70 :30;流速为 1
- Vacuum filter holders are used for filtration of mobile phase of HPLC, particulatemicrobiological contamination. 真空过滤装置主要应用于高效液相色谱流动相过滤、粒子物质分析和微生物污染检测。
- The test is designed to determine the flow rate of the reactor coolant pump. 试验是设计用来确定反应堆冷冻剂泵的流速。
- Vacuum filter holders are used for filtration of mobile phase of HPLC, particulate and microbiological contamination. 真空过滤装置主要应用于高效液相色谱流动相过滤、粒子物质分析和微生物污染检测。它们是化学实验室常备器材。
- Check the flow rate of your showerhead by using a 5-gallon bucket and a clock. 检查流量的花洒用5加仑水桶和一个时钟。
- Methods Under linear scale up mode, overlapping separation range map was used to optimize the composition of mobile phase. 方法在线性放大模式下,使用重叠分辨图法对流动相组成进行优化调节。
- Factory set and sealed for a minimum alarm flow rate of 4 to 10 GPM. 工厂设置最小警报流量是4至10美制加仑/分钟,并加以封口。
- The polarity of mobile phase increased with the increasing of TEA concentration, so the hydrogen bonding between solutes and CSPs decreased. 这可能是因为三乙胺的增加使流动相的极性增加,溶质与手性固定相间的氢键减弱。
- LPM -- Liters per minute. A measurement of a flow rate of gas or liquid. 每分钟公升数。用于表示气流或水流的速度。