The determination of sulfate radical content in sulfated polysaccharides(SPS) by gravimetric analysis of hydrochloric acid hydrolysis and barium sulfate precipation was investigated methodologically.
对盐酸水解—硫酸钡重量法测定硫酸酯化多糖(SPS)中硫酸基含量进行了方法学考察。
Objective to establish a HPLC method for the determination of gallic acid in Radix et Rhizoma Rhei and to study the changes of gallic acid content in Radix et Rhizoma Rhei during processing.
目的建立大黄及其炮制品中没食子酸含量的测定方法,考察大黄在不同方法炮制过程中没食子酸含量的变化情况。
A simple, accurate and rapid colorimetry method for the determination of the cordycepic acid content in fermented mycelia of cordyceps brasiliensis henn was established.
利用比色法简便、准确和快速地测定了巴西虫草菌丝体中虫草酸的含量。
An analytical method for determination of total content of citric acid and sodium citrate in erythrocyte preserve fluid (MAP) by high performance liquid chromatography was developed.
建立了测定输血用红细胞保存液(MAP液)中枸橼酸及其钠盐总量的高效液相色谱分析方法。
The determination of the content of serum hyaluronic acid have great clinical value to differential diagnosis of virus B hepatitis and judging the degree of liver damage.
说明血清透明质酸含量测定对乙型病毒性肝炎的鉴别诊断和判定肝损害的严重程度,具有较大的临床参考价值。
Objective: to establish the quality standard for Danggui, especially to develope a method for determination the content of feruLic acid in Danggui by HPLC and TLC identified method.
目的:进行当归药材的质量标准研究,着重建立当归药材的TLC鉴别和阿魏酸的含量测定方法。
By giving examples, including the determination of acetic acid content in aqua ammonia, the use is described of the cation exchange resin in analysis in nitrogenous fertilizer plants.
通过氨水中乙酸含量的测定等实例,介绍了阳离子交换树脂在氮肥厂分析中的应用。
The determination of pyridine adsorption of samples revealed that materials have a typic characterization of proton acid, and the proton acid centers increased with the increase of s content.
磺酸基很好地嵌入孔壁基质中,吡啶吸附测定显示了典型的质子酸特征,而且酸中心随硫含量增加而增多。
Objective: to compare the two methods of content determination for total alkaloids in Tonkin Sophora root. Method: acid base titration and colorimetric method of acid dye were used.
前言:目的:比较山豆根总碱两种含量测定方法,为山豆根提取工艺优选提供参考。
Determination of its content by idometry is performed and the effect of acidifying with acetic acid and hydrochloric acid on the result of the test is investigated.
采用中空纤维膜蒸馏技术研究了糠醛废水的膜蒸馏处理效果,考察了料液相的温度、醋酸浓度、流速、吸收液浓度等因素对处理效果的影响。
Determination of its content by idometry is performed and the effect of acidifying with acetic acid and hydrochloric acid on the result of the test is investigated.
采用中空纤维膜蒸馏技术研究了糠醛废水的膜蒸馏处理效果,考察了料液相的温度、醋酸浓度、流速、吸收液浓度等因素对处理效果的影响。
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