复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法,用卡尔·费休法测定时又可选用不同的萃取剂。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
利用乙醇-水缔合体系产生的吸收峰强度与乙醇含量成比例的关系,建立了测定乙醇的新方法。
The absorption peak intensity of alcohol-aqua association system was in proportion to alcohol content. Accordingly, new method to determine alcohol content was discovered.
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:建立以非水毛细管电泳法快速测定盐酸哌唑嗪片中主药含量的方法。
OBJECTIVE: To determine the content of main component in prazosin hydrochloride tablets by non-aqueous capillary electrophoresis (NACE).
方法采用原子吸收分光光度法对紫石英在水煎液和人工胃液中铅、镉、砷、汞、铜的含量分别进行测定。
Methods the atomic absorption spectrophotometry (AAS) was used to determine the content of Pb, Cr, as, Hg and Cu in decoction and artificial gastric juice of Fluorite.
方法对该市不同地点抽取的市售辣椒、茶叶、玉米、大米、牙膏、自来水和矿泉水,采用氟离子选择电极法测定氟含量。
Methods Fluoride ion (f) -selective electrode method was used to determine fluorin content of capsicum, tea, corn, rice, toothpaste, tap water and mineral water.
方法:采用紫外分光光度法测定黄芩苷含量,比较水提法与液-液连续萃取法对黄芩苷提取率的差别。
Methods:Liquid-liquid continuous biphasic extraction was compared with the one of the traditional method of aqueous extraction and acidic deposition, determining the contents of total flavone by UV.
提出一种测定原盐中水不溶物含量的新方法。
A new method to determine insoluble substance in raw salt is presented.
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.
比较分析了烟草叶片中自由水含量测定的两种方法—阿贝折射仪法和称重法。
Two methods including Abbe Refractometer method and weighing method for measuring free water in tobacco leaves were compared in this study.
目的:优选平脂胶囊最佳水提工艺,建立其总蒽醌含量的紫外分光光度测定方法。
Objective: to optimize the water extracting technology for Pingzhi capsule and establish a ultraviolet spectrophotometric method for the determination of total anthraquinones in Pingzhi capsule.
方法:以水为溶媒用一阶导数光谱法测定盐酸哌甲酯片的含量及含量均匀度。
Methods: the first derivation spectrophotometry method was used to determine the content and content uniformity of methylphenidate hydrochloride tablets with the solvent of water.
建立了填充柱气相色谱法测定烟用香精中水、乙醇、丙二醇含量的方法。
A method for determining the content of water, ethanol and propylene glycol in tobacco flavor by gas chromatography with a packed column was established.
目的分别用HPLC和非水酸碱滴定法建立起盐酸尼非卡兰有关物质检查及含量测定的方法,为原料的质量控制提供有效的分析方法。
OBJECTIVE To develop HPLC and nonaqueous acid-base titration for the determination of nifekalant hydrochloride and its related substances for quality control.
该方法使用仪器简单、操作方便、选择性和准确度好,适合水发食品中甲醛含量的测定。
The method is characterized by simple instrument, easy operation, good selectivity and good accuracy, which is suitable for determination of formaldehyde in soaked food.
讨论了采用程序升温气相色谱法测定2 羟乙基吡啶合成液中甲醛、水、2 甲基吡啶和2 羟乙基吡啶含量的方法。
The determination method of formaldehyde, water, 2-methyl-pyritine, acetic acid and 2-hydroxyethyl-pyritine in the solution of synthesizing 2-hydroxyethyl-pyritine by GC was discussed.
目的建立以高效液相色谱法测定肝泰胶囊中水飞蓟宾含量的方法。
OBJECTIVE: To establish an HPLC method for the assaying of silybin in Gantai capsule.
目的建立HPLC法测定目安眼膏在家兔房水内阿昔洛韦(ACV)含量的方法,为目安眼膏在兔眼内转运动力学研究提供定量方法。
Objective to set up a method to determine the concentration of Acyclovir (ACV) in Muan eye ointment with HPLC for the study of the ointment pharmacokinetics in rabbit aqueous humor.
方法:用y -型水迷宫法测定未成年小鼠的学习记忆能力,荧光法测定脑内单胺类神经递质的含量。
Methods: The learning and memory capability of juvenile mice was investigated by Y-water maze test.
目的建立反相高效液相色语测定小麦黄素水剂中小麦黄素含量的方法。
OBJECTIVE A method for the determination of content of tricin in extraction solution of tricin was established by re-versed-phase high performance liquid chromatography.
简单介绍迪安·斯塔克水分测定仪通过蒸馏方法测量石油产品、焦油、乳化沥青和其他沥青材料的水含量。
Determines the water content in petroleum products, tars, emulsified asphalts and other bituminous materials by the distillation method.
简单介绍迪安·斯塔克水分测定仪通过蒸馏方法测量石油产品、焦油、乳化沥青和其他沥青材料的水含量。
Determines the water content in petroleum products, tars, emulsified asphalts and other bituminous materials by the distillation method.
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