硫酸肼

硫酸肼的工业制法

Manufacture of hydrazine sulfate from urea

对国标（GB5537-1985）中钼蓝比色测磷脂的方法进行了改进，采用混酸湿法消化样品，并用抗坏血酸代替具有致癌性的硫酸肼作为显色还原剂。

Molybdenum blue spectrophotometry of GB 5537-1985 had been improved by some measures , including digesting sample with combined acid and used ascorbic acid as reducing agents instead of hydrazine sulfate , a carcinogenic substance .

本文采用碱性条件下的腈纶水解法，以硫酸肼为交联剂，制备了具有高交换容量和良好物理-机械性能的弱酸性阳离子交换纤维，最高交换容量可达8.4mmol/g（H型干纤）。

The weakly acidic cation - exchange fibers with high exchange capacities and good physico-mechanical properties were prepared by hydrolysis of acrylonitrile copolymer fibers under basic condition . The crosslinking agent was hydrazine sulfate . The highest exchange capacity of H + form fiber is 8 . 4 mmol / g.

用于测定硫酸肼生产过程中结晶母液中肼的含量，结果满意。

The procedure has been used to determine the hydrazine in crystal mother liquor from production of hydrazine sulfate , the results are satisfactory .

结果表明，系统运行稳定高效，硫酸肼回收产率可达90%以上，处理后出水达到国家污水排放标准。

The results show that the system works with stable condition and high availability , and the average recovery rate of sulfuric hydrazine reaches 90 % over , the treated wastewater is up to the national disposal standard .

目的：建立反相液相色谱法测定复方利血平片中维生素B6、氢氯噻嗪、硫酸双肼屈嗪、维生素B1、氯氮章和利血平的含量。

Objective : RP - HPLC method was developed to separate and determine six components in compound reserpine tablets .

HPLC法测定复方罗布麻片Ⅰ中氢氯噻嗪和硫酸双肼屈嗪的含量

Determination of Hydrochlorothiazide and Dihydralazine Sulfate in Compound Kendir Leaves Tablets ⅰ by HPLC

目的：研究硫酸双肼屈嗪在碳糊电极上的电化学行为及检测方法。

Objective : Investigation of electrochemical behaviors of dihydralazine sulfate and its determination .

反相离子对色谱法测定复方利血平片中硫酸双肼屈嗪的含量

Analysis of dihydralazine sulfate in compound reserpine tablets by reversed phase ion pair chromatograpy

结果：阴极峰电位为-0.224V（vs.SCE），峰电流与硫酸双肼屈嗪的浓度在2.8×10-7～39×10-5mol·L-1范围内呈良好的线性关系。

Results : The cathodic peak potential of dihydralazine was - 0.224 V ( vs · SCE ) .

本文对电极响应机理进行了探讨，硫酸双肼屈嗪的电极过程是一个两电子两质子的准可逆过程。

The electrochemical behavior and reaction mechanism of dihydralazine at carbon paste electrode were discussed . It showed that the electrode process was quasi - reversible with two electrons and two protons .

研究了利用硫酸和水合肼提高天然锰矿界面吸附能力的改性方法，结果表明：天然锰矿经硫酸和水合肼反应改性后，对甲基橙的吸附能力明显提高。

The modified method of improving the interface absorbing of natural manganic ore by sulphuric acid and hydrazine hydrate was studied . The result shows that the adsorbing of natural manganic ore to methyl orange is improved markedly after it is modified by sulphuric acid and hydrazine hydrate ;

硫酸羟胺与水合肼对B-Z反应的影响

The Effects of Hydroxylamine Sulfate and Hydrated Hydrazine on the B-Z Reaction

重点对温度、浓硫酸投加量、反应pH值等影响因素进行了研究，确立了硫酸肼回收工艺的正常运行参数。

The operational parameters of recovering sulfuric hydrazine is determined , and the important factors such as temperature , concentrated sulfuric acid addition and pH value in reaction are studied .