仲钨酸铵

采用萃取法生产仲钨酸铵工艺中的反萃取过程极易产生固相物。

It is easy separating out solid in stripping process of producing APT by solvent extraction .

高频等离子氢还原仲钨酸铵或兰色氧化钨制取超细钨粉的研究

Study on the Production of Tungsten Ultrafines by Induction Plasma Hydrogen Reduction of APT or Blue WO

仲钨酸铵的合成及其X射线晶体结构分析

Synthesis and X ray Crystal Analysis of Paratungstate Ammonium

研究了一个从低品位钨原料生产高纯仲钨酸铵（APT）的新的湿法冶金过程。流程包括两段逆流浸出；

A new hydrometallurgical process for producing high-purity ammonium paratungstate ( APT )

电极用于仲钨酸铵中硼的测定，将仲钨酸铵中的硼转化为BF4~-，用标准加入法测定其中硼的含量，结果满意。

The electrode was used to the determination of boron in ammonium tungstate .

为了得到不同粒度的产物，就可以分阶段性地对单斜仲钨酸铵（APT）进行升温。

Monoclinic ammonium paratungstate with different particle size can be obtained by heating stages .

ICP-AES法测定仲钨酸铵中微量硼

Determination of boron in ammonium paratungstate by ICP-AES

应用初始速率法研究了仲钨酸铵（APT）晶体的线生长级数。

In the paper , the linear growth order of ammonium paratungstate crystal is studied by the " method of initial rate " .

O2/Ar气氛中仲钨酸铵热分解制备的WO3光催化分解水析氧活性

Photocatalytic activity for O_2 evolution of WO_3 prepared through pyrolysis of ammonium paratungstate under O_2 / Ar atmosphere

在适当的温度和气氛下，于回转炉中，实现了仲钨酸铵（APT）转变成W（18）O（49）的连续生产。

The continuous production of W_ ( 18 ) O_ ( 49 ) from APT can be achieved at proper temperature and in proper atmosphere in the rotary furnace .

以仲钨酸铵（APT）为原料，通过正交设计和单水平实验，采用水热法处理制备了WO3粉体。

Tungsten trioxide powder has been prepared from ammonium paratungstate via hydrothermal method using orthogonal and mono-level design of experiments .

石灰直接沉淀回收仲钨酸铵结晶母液中WO3方法的研究与工业实践

Investigation and industrial practice of the straight lime precipitation process for the recovery of wo_3 from the ammonium paratungstate mother liquor

转鼓真空干燥器替代电阻炉对APT（仲钨酸铵）进行干燥，有许多优点。运行两年来，产品质量明显提高，蒸发速度大为加快，经济效益显著。

Year operation with vacuum dryer instead of the resistance furnace to dry APT has showed a distinct improvement of product quality , and much faster evaporation , with remarkable economic benefits .

将颗粒形貌及粒度不同的2种仲钨酸铵（APT），按工业生产条件，进行掺杂钨丝生产的对比试验。

According to the condition of industrial production , contrast tests have been made for the doped tungsten production by using two kinds of Ammonium Paratungstates ( APT ) of different particle sizes and shapes .

运用试验设计方法，较系统地研究了各种工艺参数对钨酸根离子缩聚成仲钨酸铵（APT）沉淀的影响规律，并对其缩聚结晶的动力学机理进行了初步探讨。

All kinds of technical parameters and their rules on the preparation of macrocrystalline ammonium paratungstate ( APT ) were studied by means of intercross experimental method , the mechanism of kinetics on crystal growth by condensation-polymerization was simply discussed .

综述了仲钨酸铵（APT）结晶过程中杂质（P、As、Si、Na、K、Mo等）的析出条件，在氨水中的溶解度，成核速率以及粗颗粒生成条件及其动力学基础研究近况。

The precipitation conditions of impurities ( P , As , Si , Na , K , Mo ), solubility of APT in aqueous ammonia , formation of APT crystalls rate and conditions of large size particles produced during APT crystallization process were summarized in this article .

在钨冶炼的离子交换工序生产仲钨酸铵（APT）过程中，含钨料液经离子交换后产生大量的含砷含氨氮废水，碱度高，成份复杂，处理困难。

In the process of producing the ATP in the ion interchange craft of wolfram smelting , the liquid containing wolfram generates a great quantities of waste water after the ion exchange craft which contains the Arsenic and the Ammonia Nitrogen .

将结晶成核期后晶体的生长阶段作为线生长速率测定的时间范围，采用串联速率法研究了仲钨酸铵（APT）的晶体线生长级数。

The crystal growth period after the crystal nucleation period is performed as the measuring time range of crystal growth rate . The method of series rate is used to study the linear growth order of ammonium paratungstate ( APT ) crystal .

本文研究了用大孔强碱性阴离子交换脂树D296处理仲钨酸铵（APT）结晶母液，回收其中钨及氯化铵。

The process of the crystalline mother solution , ammonium paratungstate ( APT ), through the macroporous strong-base resin D296 , and the recovery of tungsten and ammonium chloride in it are studied .

本文介绍了用石灰直接沉淀法回收仲钨酸铵结晶母液中WO30该法是用普通廉价的石灰代替烧碱，把结晶母液中的WO3直接转变成钨酸钙，白钨母液经浓缩回收氯化铵。

The application of the straight lime precipitation process for the recovery of WO_3 fram the ammonium paratungstate mother liquor has been studied . The ordinary low price lime is employed instead of soda , and the WO_3 in the mother liquor transforms straightly into calcium tungstate .

仲钨酸铵结晶动力学研究近况

Recent Research of Kinetics on Crystallization of Ammonium Paratungstate Tetrahydrate

从低品位钨矿制备仲钨酸铵的离子交换法

A study of the preparation of ammonium paratungstate by ion exchange method

仲钨酸铵费氏粒度及粒级分布控制工艺研究

The Study on Control Technology of Fsss and Size Distribution of APT

仲钨酸铵生产过程中的钨锡分离研究现状

Research Status on Removing of Stannum in Producting Ammonium Paratungstate

仲钨酸铵结晶母液处理技术研究进展

The Latest Development of the Technologies to Treat APT Crystal Mother Liquor

关于冷反应制取仲钨酸铵钠复盐的研究

Study on Preparing Ammonium-sodium Double Paratungstate by Cold Reaction

离子交换法处理仲钨酸铵结晶母液试验与实践

The Experiment and Practice of Processing APT Crystalline Mother Liquor by Ion-exchange Method

处理仲钨酸铵结晶母液的研究

Study on the treatment of ammonium paratungstate mother liquor

单斜仲钨酸铵慢速热分解过程的研究

Research on Thermal Decomposition of Monoclinic Ammonium Paratungstate Slowly

提出超声波强化仲钨酸铵结晶过程的新思路。

And the intensification of ammonium paratungstate crystal preparation with ultrasound is recommended .