This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material. 分析了以草酸钠为基准物标定高锰酸钾标准溶液浓度的反应原理,标定操作及温度、酸度、滴定速度等滴定条件对标定结果的影响。
Infinite Dilution Activity Coefficients of Ketones in Sodium Oxalate Water Solution 酮在草酸钠水溶液中的无限稀释活度系数
The results denoted that ⅱ: C and ⅴ: C of sodium citrate anticoagulated plasma which stored at-30 ℃ for 1 week did not decline, but their activities decreased 10-20% when using sodium oxalate as anticoagulant. 结果发现:枸橼酸钠抗凝血浆于-30℃保存一周后Ⅱ:C、Ⅴ:C不下降,而草酸钠抗凝血浆其活性分别下降10%,20%。
Overview of the Researches on the Problem of Sodium Oxalate in Bayer Process 拜耳工艺中草酸钠问题的研究现状
The flow and distribution of aluminum in rare earth separation processes are elucidated. Finally, two methods of removing the impurity of aluminum with sodium hydroxide and oxalate acid are presented. 阐明了铝在其中的分布和走向规律,并提出了氢氧化钠和草酸沉淀等除铝方法。
When sodium citrate, sodium oxalate, heparin and EDTA K 2 was common concentration, enzymatic activity was not interfered, but NaF interfered for enzymatic activity. 枸橼酸钠、草酸盐、肝素、EDTAK2常用浓度无抑制,氟化钠可抑制该酶活性。
A feasible research on photodegradation of dyestuff wastewater under solar irradiation by H2O2/ Ferric oxalate complexes was carried out. The effect of reaction time, pH value, H2O2 and Fe3+ usage, sodium oxalate solution concentration, and light intensity on decolor rate was investigated. 对日光/H2O2/草酸铁络合物处理染料废水的可行性进行了实验研究,探讨了反应时间及pH值、H2O2用量、Fe3+用量、草酸钠浓度、光强对脱色率的影响。
Resolution of the Kinetic Process of Potassium Permanganate Oxidizing Sodium Oxalate Based on Two-way Kinetic-spectra Data 根据动力学-光谱数据解析高锰酸钾氧化草酸钠的反应过程
The authors studied inhibitive effects of aluminum chloride and sodium citrate on calcium oxalate crystal growth to find out satisfactory inhibitors of calcium oxalate crystal growth. 为寻找理想的草酸钙结晶生长抑制物,作者研究了氯化铝和枸橼酸钠对草酸钙结晶生长的抑制作用。
Effect of sodium tripolyphosphate on crystallization of calcium oxalate and its mechanism on prevention of urinary stones 三聚磷酸钠对草酸钙晶体生长的影响及其防石机理
This paper introduces the experiment in which sodium oxalate and sodium glycollate are prepared by means of the waste liquid resulting from making chloroacetic acid. And the mechanism of reaction, method and the best condition of reaction are discussed in it. 本文主要介绍以生产***的废母液为原料,制备乙二酸钠和羟基乙酸钠的实验,并对反应机理、最佳反应条件进行了探讨。
Study of Inhibitive Effects of Aluminum Chloride and Sodium Citrate on Calcium Oxalate Crystal Growth 氯化铝和枸橼酸钠对草酸钙结晶生长抑制的研究
Two-way kinetic-spectral data can be obtained, as monitor on-line the changes of the absorption spectra in the reaction of potassium permanganate and sodium oxalate in the medium of sulfuric acid. 通过在线测量硫酸介质中高锰酸钾氧化草酸钠反应过程的光谱变化.获得了动力学-光谱二维数据。
The effects of calcium, oxalate, sodium citrate and crystallization time on calcium oxalate crystal growth were studied in vitro by the observation of crystal morphology grown in the diluted urine of calcium oxalate stone formers using scanning electron microscope. 目的与方法利用扫描电子显微镜(SEM)研究结石患者稀释尿液中,Ca2+和C2O42-浓度、结晶时间和枸橼酸钠对草酸钙结晶的影响。
Because of the toxicity and irritating smell, sodium metabisulfite and oxalate were limited to use in food industry. 但由于偏重亚硫酸钠具有一定的毒性,草酸在有轻微的毒性的同时还具有较强的刺激性气味,所以限制了它们的使用。
Extraction of sweet potato pectin. Sweet potato pectin was extracted with hydrochloric acid, sulfurous acid, ammonium oxalate, potassium oxalate, sodium polyphosphate solution. The results showed that the extracting efficiency of ammonium oxalate was the best. 甘薯果胶的提取,采用盐酸、亚硫酸、草酸铵、草酸钾、多聚磷酸钠溶液提取甘薯果胶,通过单因素试验确定以草酸铵提取效果最好。