磷酸氢二钠

用耦合反应的自由能变，计算了醋酸铵和酸式盐（例如，磷酸二氢钠和磷酸氢二钠）溶液的pH值。

The pH value of solution of ammonium acetate and acid salt ( e.g. sodium dihydrogen phosphate , disodium hydrogen phosphate ) has been calculated by free energy change of coupling reaction .

结果表明，用氯化镁和磷酸氢二钠作为沉淀剂时，pH值是重要的影响因素，pH值为10.5时氨氮沉淀率可达95%以上。

It is found that using magnesium chloride and disodium hydrogen phosphate as precipitation reagent , the precipitation rate of ammonia nitrogen could be more than 95 % when pH value is 10.5.The dosage of air-floating agent is an important factor which affects the recovery of air-flotation .

详述了ADC生产中副产十水碳酸钠的开发利用途径，如在盐水精制中代替纯碱，生产纯碱，生产十二水磷酸氢二钠和磷酸三钠，生产亚硫酸钠。

Pathes of developing and utilizing the natron by-product from the production of ADC are introduced in detail , which includes substituting for soda in the refinement of brine , producing soda , producing twelve-hydrated disodium hydrogen phosphate and trisodium phosphate , and producing sodium sulfite .

用毛细管电泳法分析和定量GTX免疫原。方法：用磷酸氢二钠-柠檬酸为运行缓冲液的区带毛细管电泳紫外检测法，对GTX2和3进行检测。

Methods : This assay was based on the ultraviolet absorbance of GTX 2 & 3 at zone capillary electrophoresis . The running buffer was disodium hydrogen phosphate-citric acid .

基于在pH7的柠檬酸磷酸氢二钠缓冲溶液中，硒（Ⅳ）对Na2S还原天青Ⅰ有强催化作用，建立了流动注射催化光度法测定硒的新方法。

A new flow-injection catalytic spectrophotometric method was proposed for the determination of Se (ⅳ) based on its catalytic effect on the reduction reaction of azure I by Na_2S in pH 7.0 citric-acid sodium-hydrogen-phosphate buffer solution .

为了有效地去除氧化铁红废水中高浓度的氨氮，探讨了采用硫酸镁和磷酸氢二钠使废水中氨氮生成磷酸镁铵[Mg（NH4）PO4.6H2O]的化学沉淀去除法。

In order to remove the NH ~ + _4-N with high concentration in iron oxide red wastewater , the chemical precipitation method is adopted . e. i. IRON OXIDE RED formed is reacted with excess of iodide in an acidic medium to give free iodine ( I ?)

以磷酸二氢钠、磷酸氢二钠的混盐为酯化剂，干法制备高取代度木薯淀粉磷酸酯（CSP-HDS）。

The mixtures of NaH_2PO_4 and Na_2HPO_4were used as esterifying agent in preparation of cassava starch phosphate with high degree of substitution ( CSP-HDS ) by dry process .

结果表明，乙酸-乙酸钠缓冲体系（pH5.8）和磷酸氢二钠-磷酸二氢钠缓冲体系（pH8.0）有利于增强α-淀粉酶活性，比活力最高分别达到4.49和4.97。

The results showed that sodium acetate buffer ( pH 5.8 ) and phosphate buffer ( pH 8.0 ) were most beneficial to α - amylase activity in their buffer series with different pH value , with the maximal activity as high as 4.49 and 4.97 U respectively .

磷酸氢二钠改性水玻璃在熔模铸造中的应用

Application of Sodium Silicate Binder with Na_2HPO_4 Modifier to Investment Casting

食品添加剂磷酸氢二钠制备的工艺研究

Study on the preparation of food additive grade of disodium hydrogen phosphate

磷酸氢二钠对水玻璃改性作用的研究

Research of Modification of Na_2HPO_4 on the Structure and Property of Sodium Silicate

磷酸氢二钠及其低共熔物贮热性能研究低共熔酶促反应技术

Studies on heat storage properties of na_2hpo_4 · 12h_20 and its eutectic mixtures

氧化剂测定用十二水合磷酸氢二钠

Disodium hydrogenphosphate 12 & hydrate for oxidant analysis

七水磷酸氢二钠；

Sodium hydrogen phosphate heptahydrate ;

一水合硫酸氢钠催化合成乙酸正己酯氧化剂测定用十二水合磷酸氢二钠

The Catalytic Synthesis of Hexyl Acetate by Sodium Bisulfate ; disodium hydrogenphosphate 12 & hydrate for oxidant analysis

改性粉煤灰处理含磷废水的探索研究十二水磷酸氢二钠相变性能改进研究

Investigation on Treatment of Phosphate-containing Waste Water by Modified Fly Ash Improvement of phase change performances of dibasic sodium phosphate

试验发现钼酸钠与磷酸氢二钠的复配效果较为突出，在不同温度下缓蚀率均达99%左右，且成本最低。

The results showed that the synergistic effect between sodium molybdate and sodium hydrogen phosphate is remarkably superior to others .

磷酸氢二钠-柠檬酸缓冲溶液调控下白菜对钼矿区重金属污染土壤的修复

Remediation of Heavy Metals in the Soil of Molybdenum Mine by Cabbage Under the Adjustment of Sodium Hydrogen Phosphate-Citric Acid Buffer Solution

十二水磷酸氢二钠相变性能改进研究硫酸高铈对磷硅酸盐凝胶质子导体的改性处理

Improvement of phase change performances of dibasic sodium phosphate Modification of Ce ( SO_4 ) _2 on Phosphosilicate Gels used as Proton Conductors

结论：用磷酸氢二钠-柠檬酸为运行缓冲液的高效毛细管电泳法，可对GTX2&3相关样品进行快速而又灵敏的分析和定量。

Conclusion : GTX 2 & 3 can be quantified rapidly and sensitively by high performance capillary electrophoresis in disodium hydrogen phosphate-citric acid buffer system .

用极化曲线法研究了钼酸钠与乌洛托品、三乙醇胺、苯并三氮唑、磷酸氢二钠之间的复配效果。

In this article , the synergistic effect of sodium molybdate with urotropinum , triethanolamine , BTA and sodium hydrogen phosphate are evaluated by method of polarization curve .

然后在牛白蛋白的磷酸氢二钠-柠檬酸缓冲溶液中，以戊二醛为交联剂，加入Fe3O4/PAM微球，使蛋白质特异性吸附在微球上。

Then , in the bovine serum albumin ( BSA ) buffer solution containing disodium hydrogen phosphate and citric acid , ferrite / polyacrylamide was added with crosslinker glutaraldehyde and then be enwrapped by BSA .

辅料磷酸二氢钠和氢氧化钠采用国家药品标准进行质量控制，并制订了磷酸氢二钠的注射液用质量标准，作为内控质量标准。

Sodium dihydrogen phosphate and sodium hydroxide to adopt national standards for quality control of dr μ gs and developed a disodium hydrogen phosphate injection with the quality standards , as the internal control quality standards .

实验结果表明：聚乙烯醇、磷酸氢二钠、木糖醇、碳酸锂、聚乙二醇、聚氨酯、硅酸乙酯、硅烷偶联剂和二乙二醇乙醚等改性剂改性水玻璃均能提高微波硬化水玻璃砂的抗吸湿性。

The results show that : there are many modifiers can improve the humidity resistance of sodium silicate sand , including polyvinyl alcohol , disodium hydrogen phosphate , xylitol , lithium carbonate , polyethylene glycol , polyurethane , ethyl silicate , silicon hydride coupling agent and diethylene glycol ether .

添加8%的焦磷酸二氢二钠使大豆分离蛋白的变性温度降低了近10℃。

The Td of soy protein isolates was decreased by 10 ℃ with the addition of 8 % disodium dihydrogen pyrophosphate .