实验首先对原料壳聚糖的物理性质进行测定：采用酸碱指示剂滴定法测定壳聚糖的脱乙酰度约为83%，应用粘度法测定其粘均分子量为十万左右。
The first work of this paper is measuring physical properties of chitosan. Degree of deacetylation(DD)of chitosan determined by acid base titration is about 83%.
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 formaldehyde contents in tofu filtrate, liquid separated from beancurd and the distillate of beancurd were measured by acid-base titration.
采用酸碱双点电位滴定法测定盐酸雷尼替丁含量。
Double - point potentiometric titration was used to determine ranitidine hydrochloride and its capsules.
运用国标测定离子交换树脂，对旧树脂的酸碱处理不能限于国标中次数，应检验排出液中杂质含量；
The national standard is used to determine the performance of the ion exchange resin. acid and alkali of the old resin can not be limited to the number of times in the treatment of national standard.
方法采用酸碱提取法提取总碱，以硫酸阿托品为对照品，酸性染料比色法测定白刺总生物碱的含量。
Methods total alkaloids in Nitraria was extracted by acid-base and the content of total alkaloids was determined by the acidic dye colorimetry.
六组分过渡金属氧化物催化剂的表面酸碱性测定。
The surface acidity or basicity of six-component transition metal catalyst was studied.
在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品，逸出的氨被吸收后通过酸碱滴定测定其含量。
The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
利用离心分油试验机、油浴滴点测定仪和酸碱滴定仪分别考察了静态热老化对锂-钙基润滑脂胶体性能的影响。
The influence of static thermal degradation on colloidal performance of Lithium-Calcium base grease was studied by the centrifugal oil separation test, dropping point test and acid number test.
酸碱滴定法测定碳酸氢钠的含量。
讨论了酸碱度、温度、共存离子对测定结果的影响。
The influence factors of pH value, temperature and coexistence ions on the results were discussed.
之后对这些组分进行了元素、酸碱值、相对分子质量及红外光谱等组成结构测定。
These components have been characterized by spectroscopic methods (FT-IR), namely acid number, basic nitrogen number, ultimate analysis and molecular weight measurements using vapor pressure.
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。
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.
提出测定极弱酸极弱碱的电位酸碱滴定拟合方法。
A new procedure of potentiometric acid-base titration and curve fitting is described for determining very weak acids and bases.
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.
通过酸碱滴定发射光谱测定了该配合物的表观电离常数；
The pH effects on the UV-visible and emission spectra of the complex were studied, and the three apparent ionization constants were derived.
通过对比，确定了酸碱沉淀法提取DCA13，并用滴定法测定DCA13的分析方法，其相对误差小于1.5％。
Titration analysis method was set up for DCA13; the error was less than 1.5%.
建立了一种酸碱滴定法有效的生物碱定量测定方法，并比较测定了花椒的两个品种花椒和青花椒中生物碱的含量。
A method was established to detect the alkaloids from Zanthoxylum. Comparison of the con - cent of two different variety Zanthoxylum alkaloids was studied by acid - base titration.
采用酸碱双点电位滴定法测定盐酸雷尼替丁含量。
Double-point potentiometric titration was used to determine ranitidine hydrochloride and its capsules.
结果：在适宜的实验条件范围内，用酸碱双点电位法与药典法测定西咪替丁的含量结果相符合。
Results: Determination of the content of cimetidine by this method accords with the results of determination by pharmac0peial method within the range of appropriate experimental parameters.
本法测定结果与酸碱滴定法的结果符合。
The results agreed weel with those obtained by volumetric analysis.
研究了测定碳化液中石油助长剂活性组份含量的方法——酸碱滴定法的测定条件和干扰因素； 确定了石油助长剂活性组份为一元弱酸盐，测得了对应的一元弱酸的离解常数和用强碱滴定时的等当点。
The conditions and interfering factors of the acid base titration method which has been used to determine the active components of the petrol growth substance in the carbonating solution were studied.
论述了废旧腈纶毛线在常压碱法水解条件下，采用酸碱滴定分析方法测定氰基转化率，讨论了反应时间、温度、投料比等因素对水解反应的影响。
The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.
论述了废旧腈纶毛线在常压碱法水解条件下，采用酸碱滴定分析方法测定氰基转化率，讨论了反应时间、温度、投料比等因素对水解反应的影响。
The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.
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