我们分别采用离子色谱法和氟离子选择电极法对茶叶中氟化物的含量进行测定。
We tested the quantity of fluoride in tea leaves by separately using fluorinion selective electrode and the ion chromatographys.
方法:采用氟离子选择电极法。
方法采用氟离子选择电极法。
方法:采用氟离子选择电极法进行测定。
方法氟离子选择电极法。
方法:用氟离子选择电极法检测水氟含量。
Method: Fluoride level in drinking water was examined with F-ion selective electrode method.
儿童尿氟含量,饮用水氟含量均采用氟离子选择电极法测定。
Fluoride content in urine and drinking water with fluoride ion selective electrode.
硒的测定用DAN荧光分光光度法,氟的测定用氟离子选择电极法。
Selenium in grains was determined by DAN fluorescence spectrophotometer, while fluorine was determined by fluoride ion selective electrode method.
方法:水氟含量采用氟离子选择电极法进行检测,儿童氟斑牙采用三型九度法。
Methods The fluoride contents were tested by fluoride selective ion electrode, dental fluorosis prevalence rate of children was examined according to clinical diagnosis standard.
采用氟离子选择电极法测定氰氨化钙炉料中氟化钙的含量,进行了条件和应用试验。
Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.
方法:水氟含量采用氟离子选择电极法进行检测,儿童氟斑牙诊断采用三型九度法。
Methods The fluoride content in water was determined by fluoride selective ion electron, and dental fluorosis of children was examined according to clinical diagnosis standard.
目的建立一种快速、准确的高温燃烧水解氟离子选择电极法测定煤、头发和食物中氟的方法。
Objective To establish a fast and accurately method of determination of fluorine in coal, hair and food by combustion-hydrolysis-ion selective electrode method.
方法:分别采用离子色谱法和氟离子选择电极法对茶叶中氟化物的含量进行测定,并将结果进行比较。
Methods:First, we tested the quantity of fluoride in tea leaves by separately using fluorinion selective electrode and the ion chromatography and then compared the results.
另外也证实了用氟离子选择电极对BF_4 ~-根离子水解所产生的F -离子浓度进行分析是可行的。
It is also confirmed that the concentration of fluoride ions produced from the hydrolysis of BF_4 ~ - can be determined by fluoride ion selective electrode.
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.
建立了氟化钠缓释片的氟离子选择电极测定法,并考察了方法的回收率、精密度。试验结果表明,方法简便、准确可靠、重现性较好。
The Study built the fluoride ion selective electrode method and the results indicated that it was simple, accurate, reliable and repeatable.
运用离子选择性电极(ISE)和X射线衍射分析(XRD)方法,对云南昭通威信地方病氟中毒区的氟源进行了研究。
The sources of the endemic fluorosis in Weixin, Zhaotong of Yunnan Province has been studied using an ion selective electrode(ISE) and X-ray diffraction analysis(XRD).
介绍一种用氧瓶燃烧-离子选择电极快速测定人发中氟含量的新方法。
This paper describes a new method for quick measurement of the content of fluoride in human hair with oxygen-flask combustion and ion-selective electrode.
阐述了用离子选择电极法测定水中氟离子含量的原理及实验方法。
This article described the principle and experimental method of determining fluorine ion content of water by method of ion selective electrode.
提出了一种新的离子选择性电极分析方法,即等电位差-离子选择性电极法,该方法已用于氟的测定。
A new analytical method of ion selective electrode, that is, equal potential difference-ion selective electrode, has been developed.
利用氟离子选择性电极直接电位法测定了牙膏中的游离氟。
The content of free fluorine in toothpaste by potentiometry with a fluorine ion selective electrode is determined.
所用滴定剂为十六烷基三甲基溴化铵,指示电极为氟硼酸根离子选择电极。
Cetyltrimethylammonium bromide is used as a titrant and a fluoroborate ion-selective electrode as an indicator electrode.
本文研究了分解对氟聚苯乙烯聚合体的条件,建立了用离子选择电极法测定对氟聚苯乙烯聚合体中氟含量的方法。
This paper investigated the decomposition conditions ofp-Fluoropolystyrene and established a new method for determination of fluorine in p-fluoropolystyrene by ion-selective electrode analysis.
方法按照国家《地方病防治项目技术方案》进行,水氟测定用氟离子选择性电极法。
Methods According to "The National Technical Scheme for Endemic Disease Control", the content of fluoride in drinking water was assassed by F-ion selective electrode.
应用氟离子选择性电极法对茶叶中氟含量进行了测定。同时,对影响茶叶中氟浸出的相关因素作了初步探讨。
Fluorine content of tea was studied by fluorine ion selectivity electrode and the relative factors which make influence to fluorine extraction were researched.
本文研究了离子选择性电极法测定单氟磷酸钠型牙膏中的有效氟和总氟含量的方法。
The method for the determination of effective and total fluoride contents in toothpaste containing monofluoroposphate (MFP) by a ion-selective electrode is investigated.
本文研究了离子选择性电极法测定单氟磷酸钠型牙膏中的有效氟和总氟含量的方法。
The method for the determination of effective and total fluoride contents in toothpaste containing monofluoroposphate (MFP) by a ion-selective electrode is investigated.
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