介绍了一种用721分光光度计法测定白酒中甲醇含量的方法。
A method of methanol content determine using 721 spectrophotometry is introduced.
结果表明,该方法具有简便、重复性好、回收率高等优点,可用于双液相浸取棉仁的甲醇相中棉酚含量的测定。
The results showed that it was a simple method with good reproducibility and high recovery rate in determining gossypol content in methanol phase from two-phase solvent extraction.
用该方法测定了5批多烯磷脂酰胆碱注射液中苯甲醇的含量,该方法为多烯磷脂酰胆碱注射液简便、合理、可靠的质量控制方法。
This method has been applied to 5 different polyene phosphatidyl choline injection. This is a more convenient, reasonable and reliable control method for polyene phosphatidyl choline injection.
方法以甲醇-水为流动相,采用HPLC梯度洗脱法,测定了雷公藤药材的根、枝、叶中雷公藤甲素在不同存贮期的含量。
METHOD HPLC gradient elution method was used with methanol-water as the mobile phase to determine the contents of triptolide in its root, branch and leaf at different periods of its storage.
方法:采用高效液相色谱法对该药中的黄苓苷含量测定,色谱条件:选用十八烷基硅烷键合硅胶,以甲醇:水:冰醋酸(40:60:1)。
Method:Conducted baicalin assaying in this drug by HPLC. Chromatogram condition:Selecting octadecyl Chemically bonded phase silica gel, Methanol:water; glacial acetic acid (40:60:1)as mobile phase.
目的:考察不同提取方法对山茱萸总皂苷测定的影响,为准确测定山茱萸皂苷的含量提供可行方法。 方法: ① 甲醇回流法;
AIM: To review effects of different methods of extracting total saponins from Cornus officinalis so as to provide an effective way to accurately determine total saponins.
介绍了对55种酒样中甲醇及杂醇油含量测定的结果,并对其含量分布进行了统计分析。
The author introduced the results of the determination of the methanol and multiple_alcohol content of 55 kinds of wine, and made a statistical analysis of their content distribution.
提出采用燃烧氧化偶联离子色谱法测定甲醇、碳黑中的氯和硫的含量。
A new method has been developed to determine chlorine and sulfur content in methanol and charcoal by using combustion oxidation coupled to ion chromatography.
摘要实验证明甲醛法测定铵盐含量,只要准确测定出较正因子对结果加以校正,是能够直接使用未经蒸馏去除甲醇的甲醛溶液而测定结果不存在显著差异,本方法简单、快速。
A rapid , simple method has been developed for determination of ammonium perchlorite by using formaldehyde . this experiment proved that this method saved measuring time , raised speed and efficiency.
从血液样品中检索出引起中毒的成分甲醇 ,并应用GC/MS快速准确的定量测定了甲醇的含量。
Xcalibur analysis software of GC/MS was applied to search for toxic methanol and measure its content rapidly and accurately.
设计了分离酵母菌和测定其发酵力(乙醇度)及甲醇含量的方法,初步选育出发酵力较好而甲醇含量较低可作为生产用的乙醇发酵酵母菌菌株。
This article designs the method of separating saccharomycete from nature as well as determining its ferment capacity(anthanol output) and the methanol in the products of ferment.
设计了分离酵母菌和测定其发酵力(乙醇度)及甲醇含量的方法,初步选育出发酵力较好而甲醇含量较低可作为生产用的乙醇发酵酵母菌菌株。
This article designs the method of separating saccharomycete from nature as well as determining its ferment capacity(anthanol output) and the methanol in the products of ferment.
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