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- Keywords Vis-spectrophotometry;Promethazeine hydrochloride;Sodium acetate buffer solution;Palladium choride; 可见光谱法;盐酸异丙嗪;醋酸钠缓冲液;氯化钯试液;
- Sodium acetate buffer solution 醋酸钠缓冲液
- The dissolution of megestrol acetate soft capsules was investigated, using 2% Sodium dodecyl sulfate in acetate buffer solution (pH4. 建立了醋酸甲地孕酮软胶囊的溶出度测定方法。
- The dissolution of megestrol acetate soft capsules was investigated, using 2% Sodium dodecyl sulfate in acetate buffer solution (pH4.5) as the dissolution medium, at the rotational rate of 120r/min. The dissolution curve was discussed. 建立了醋酸甲地孕酮软胶囊的溶出度测定方法。 以2%25十二烷基硫酸钠的乙酸盐缓冲液(pH4.;5)900ml为溶出介质;转速120r/min;并考察了溶出曲线。
- The experiment suggested that the protein pcak cluted by 0.225 M sodium acetate buffer is antibody Fc fragment. 实验提示;0.;225M醋酸钠缓冲液洗脱出的蛋白蜂是抗体Fc片段。
- A polarographic catalytic wave of glycyrrhizic acid (GA) is observed when H2O2 is present in acetate buffer solution. 作者发现在乙酸盐缓冲溶液中有H2O2存在时，甘草酸产生了极谱催化波。
- METHODS Use a BDS-C18 column with linear gradient elution of sodium acetate buffer (pH 4.5) - methanol (80:20) and methanol at the flow rate of 1.0mL/min. The detection wavelength was 271nm. 方法采用BDS-C18柱;以醋酸-醋酸钠缓冲液(pH4.;5)-甲醇(80:20)为流动相A;甲醇为流动相B进行程序梯度洗脱;检测波长271nm;流速1
- Sodium acetate: Irritant. Handle with usual caution. 醋酸钠：刺激物。按正常程序小心处理。
- FGD process using citric acid / sodium citrate buffer solution has been carried out in structured packing columns. 以柠檬酸/柠檬酸钠溶液为缓冲液在高效规整填料塔中进行烟气脱硫。
- Benzyl acetate has been synthesised by the direct reaction of benzyl chloride and sodium acetate solution catalyzed by triphase transfer catalyst. 本文用三相催化法由氯化苄和乙酸钠水溶液一步合成乙酸苄酯。
- A solution which resists pH changes is known as a buffer solution. 能够阻止pH值变化的溶液称为缓冲溶液。
- Sodium acetate, the chemical found in many hand warmers, will suddenly crystallize if you prepare a saturated solution and pour it onto a seed crystal. 一种在加热装置用很容易找到的化学物质乙酸钠，如果将他倒入一个准备好的晶种，将会在饱和溶液中迅速的凝结。
- The optimizing hydration medium is phosphate buffer solution. 最佳的水合介质是磷酸盐缓冲液。
- Sodium acetate, when heated and cooled, becomes supersaturated in water. 醋酸钠，加热或冷凝时，遇水呈超饱和态。
- The chromatographic column was Atlantis C_(18). Mobile phase was a mixture of methanol-water and acetate buffer. 色谱拄为Atlantis C18柱;流动相由甲醇、水和乙酸钠缓冲液(pH 4.;6)组成;采用梯度洗脱程序;
- The mice in the control group were injected with citrate buffer solution. 对照组单纯用等量柠檬酸盐缓冲液注射。
- The paper dealt with the fractionation of the starch from sweet potato by affinity chromotography on crosslinked gelatin granules in acetate buffer. 运用交联明胶亲和色谱法，对番薯淀粉组分进行分离，得到直链和支链淀粉两个级分。
- METHODS Use ultraviolet spectrophotometry to determine the content of Vitamin B2. The absorption of the sample which has been added with solution 1.4 percent sodium acetate is measured at 444nm. 方法使用紫外分光光度法测定维生素B2的含量。 本样品加入1.;4%25醋酸钠溶液;在444nm的波长处测定吸收度。
- Accuracy of analysis results was improved by buffer solution as the acidifier. 改用缓冲溶液作为酸化剂,提高了分析结果的准确性。
- It was pointed out that sodium acetate and lithium acetate have obvious inhibition effect on DEG generation in PET. 提出醋酸钠或醋酸锂对聚酯中的DEG生成具有明显的抑制作用；
