The formaldehyde contents in tofu filtrate, liquid separated from beancurd and the distillate of beancurd were measured by acid-base titration. 制作过程中加入吊白块,用酸碱滴定法分别测定水豆腐压滤液、离浆液和蒸馏液中甲醛含量。
The average numbers of primary and tertiary amine groups in dendrimer materials were measured by acid-base titration. 应用络合滴定和酸碱滴定的原理,对干电池电解液中氯化锌氯化铵的测定进行了探讨。
Determination of sodium carbonate and sodium bicarbonate in mixed base by acid-base titration combined with inductively coupled plasma atomic emission spectrometry 酸碱滴定法与电感耦合等离子体原子发射光谱法联合测定混合碱中碳酸钠和碳酸氢钠
A new procedure of potentiometric acid-base titration and curve fitting is described for determining very weak acids and bases. 提出测定极弱酸极弱碱的电位酸碱滴定拟合方法。
The paper puts forward that by using proton balance equation of stoichiometric point, simple and easy derive formula of acid-base titration error for the all circumstances can be leaded. 提出利用化学计量点的质子条件式,可以简易导出各种情况下的酸碱滴定误差公式。
The main product was quantitatively measured via acid-base titration. 主产物采用酸碱滴定法进行测定;
Measure pH of the seawater by a pH meter. Measure salinity by a refractometer. Determination of sodium carbonate and sodium bicarbonate in mixed base by acid-base titration combined with inductively coupled plasma atomic emission spectrometry 用酸碱度计量度水样本的酸碱值。用氯化钠折光仪量度样本的氯化钠含量。酸碱滴定法与电感耦合等离子体原子发射光谱法联合测定混合碱中碳酸钠和碳酸氢钠
Non-aqueous Acid-base Titration Profile and Control of TDI in the Analysis of the Application 非水溶液酸碱滴定分析及在TDI生产控制中的应用
OBJECTIVE To develop HPLC and nonaqueous acid-base titration for the determination of nifekalant hydrochloride and its related substances for quality control. 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。
The Acid-Base Titration Using Double-Point Potentiometric Method 酸碱双点电位滴定法
The degree of deacetylation of chitosan was determined by hydrobromide method and the values were compared with the values determined by acid-base titration. 采用氢溴酸盐法测定壳聚糖的脱乙酰度,并与酸碱滴定法测定的结果进行比较。
The acid-base titration for sodium bicarbonate was used. 酸碱滴定法测定碳酸氢钠的含量。
The composition and surface acid-base properties for semi-coke and activated semi-coke samples were characterized by means of proximate analysis, elemental analysis and acid-base titration methods. 利用工业分析、元素分析和酸碱滴定等分别对活性半焦工业组成、元素组成和表面酸碱性进行分析和表征。
The change of conductivity of chitosan in the acid-base titration was studied. The deacetylation degree of chitosan can be calculated through the volume of sodium hydroxide used between two turning points of conductivity. 研究了酸碱滴定中壳聚糖溶液电导的变化,利用电导变化两个转折点之间碱的用量来计算壳聚糖的脱乙酰度,消除了壳聚糖吸附的残留酸或碱的影响。
The detection of end point of acid-base titration by means of calculation method is recommended. 本文介绍用计算法确定酸碱滴定终点。
The type of N-(β-hydroxylethyl) oxazolidine binding of collagen has been studied by washing, urea extraction, solvent extraction and acid-base titration. 本文采用水、脲、溶剂萃取及胶原酸碱滴定的方法,研究了N-(β-羟乙基)恶唑烷与皮胶原产生的化学结合的类型。
This paper Introduces a method for determining Boron in humic acid fertilizer by the pretreatment technique of oxygen bomb combustion and the analytic method of acid-base titration. 介绍了一种用氧弹燃烧灰化技术和酸碱滴定法测定腐植酸硼肥中硼的方法。
An analytical method of aldehyde compounds, hydrogen peroxide oxidizing acid-base titration, was established. Benzaldehyde content of 99. 4% ( analysis purity) is determined, and its relative standard deviation is 0. 21%. 本文提出和建立了一种分析醛类化合物的方法,并用此方法测定了分析纯苯甲醛的含量为99.4%,相对标准偏差为0.21%。
The purity determination process of cyanuric acid was introduced, such as acid-base titration, potentiometric titration, and gravimetric analysis. 介绍了测定氰尿酸纯度的方法,即酸碱滴定法、电位滴定法和重量分析法。
Calculating Analysis of Acid-Base Titration Without Standard Solution 无需标准溶液的酸碱滴定计算分析研究
The causes and the value of error in determination of sodium phosphate content in degreasing solution by acid-base titration are studied and calculated respectively. 本文研究了酸碱滴定法测定除油溶液中磷酸三钠含量时产生误差的原因,并测定了其误差的大小。
An acid-base titration experiment is provided as example to illustrate how to process data with Excel. 以酸碱滴定分析实验为例,介绍Excel处理实验数据的具体应用。
Indirect Determination of Barium by Acid-base Titration 间接酸碱滴定法快速测定钡含量间接核酸杂交方法的建立
An acid-base titration method is proposed for the indirect determination of Ba. 研究了酸碱滴定法间接测定钡含量的方法。
The determination of boron in BMg alloy powder with acid-base titration method was established. 报道了酸碱滴定法测定硼镁合金中的硼。
The content of Na 2S and NaHS in the tannin extract desulfurizing liquid is determined by precipitation, filtration, iodimetry and acid-base titration. This method is simple and practicable, convenient for analysis in production, and has great significance in supervising production. 通过沉淀、过滤,再用碘量法和酸碱滴定来测定栲胶脱硫液中Na2S、NaHS的含量,具有方法简单可行、便于生产分析的特点,对指导生产有重要意义。
The prepared catalysts were characterized by XRD, TPR, N2 adsorption and desorption, XRF and acid-base titration. 采用XRD、TPR、N2吸脱附、XRF、酸碱滴定的测试手段对制备的催化剂进行了表征。
Qualitative and quantitative analysis methods for reaction products were established through some means including gas chromatography-mass spectrometry, chromatographic analysis and acid-base titration, and the reliability of the analysis methods was verified. 本研究通过色谱-质谱联用,色谱分析以及酸碱滴定等分析手段建立实验产物的定性和定量分析方法,并验证分析方法的可靠性。
In the study of quality standards, we formulated the identification methods of cuttlebone, Chinese goldthread, costus root by acid-base titration and thin-layer chromatography. 在质量标准的研究中,我们通过酸碱滴定、薄层层析制定了海螵蛸、黄连、广木香的鉴定方法。