ammonium molybdate
[无化] 钼酸铵
2025-11-23 05:37 浏览次数 10
[无化] 钼酸铵
1. a white crystalline salt used in analytical chemistry as a precipitant of phosphoric acid with which it forms a yellow precipitate of ammonium phosphomolybdate
the influences of calcining time, concentration of ammonium molybdate solution and surfactant on crystal structure and morphology of the obtained moo3 sub-microbelts were carefully investigated.
考察了煅烧时间、钼酸铵溶液浓度以及表面活性剂对三氧化钼亚微米带晶体结构和形貌的影响。
drawing work curve, digesting time and turbidity compensated are tested as determining total amount of p in surface water by ammonium molybdate tetrahydrate spectrophotometry.
对用钼酸铵分光光度法测定地表水中总磷时工作曲线的绘制、消解时间和浊度补偿等进行了试验。
study is made of vanadium removal from ammonium molybdate solution by ion exchange, focusing on the use of dp-1 resin for the said purpose.
对采用离子交换法从钼酸铵溶液中除钒进行了研究。着重考察了dp-1螯合型树脂从钼酸铵溶液中分离钒。
the pot experiment indicated that different strains symbiotic nitrogen fixation efficiency and the ammonium molybdate concentration were related.
盆栽试验表明,不同菌株共生固氮的有效性与钼酸铵浓度相关。
molybdenum powders have been made by directly reducing of ammonium molybdate and three-step reduction of ammonium molybdate.
采用钼酸铵直接氢还原及钼酸铵先焙解然后再分段氢还原两种不同的还原方法进行了钼粉还原。
after the solution of ammonium molybdate is neutralized by vaporizing and thickening, the secondary ammonium molybdate is crystallized, and the molybdenum from it is retrieved.
吸附钼后的吸附剂用氨水反洗,得到的钼酸铵溶液,通过蒸发、浓缩、中和结晶出仲钼酸铵,从而回收其中的钼。
ammonium molybdate is also called ammonium tetramolybdate (atm)according to the formula.
钼酸铵按其分子式又可称为四钼酸铵。
objective:to set up a method for the determination of phosphorous in food samples by ammonium molybdate spectrophotometry after pretreated with the microwave digestion technique.
目的:建立了用微波消解技术进行样品前处理,磷钼蓝分光光度法测定食品中磷含量的方法。
a series of metal phthalocyanines was synthesized using phthalic anhydride, urea, metallic salt and ammonium molybdate as raw materials in the absence of a solvent.
以苯酐、尿素、金属盐、钼酸铵为原料,用固相法合成出一系列金属酞菁配合物,并用元素分析、 红外光谱对它们进行了表征。
the technological process for production of sodium molybdate and recovery of molybdenum metals by leaching ammonium dregs, cleaning dregs in production of ammonium molybdate was related.
叙述了用钼酸铵生产中的氨浸尾渣、凈化渣生产钼酸钠的工艺过程,对防止硫酸盐等强酸盐对钼酸钠结晶造成的危害提出了解决的工艺措施。
the experimental process for recovery molybdenum and ammonium chloride from mother liquors of ammonium molybdate and ammonia leaching molybdic acid using ht adsorbents is presented.
介绍利用ht吸附剂从钼酸铵母液及氨浸钼渣酸分解母液中回收钼及氯化铵的实验过程。
dehydration and temperature models drying ammonium molybdate by microwave heating have been discussed.
讨论了微波干燥钼酸铵的失水和温度模型;
the production, import, export and existing problems for ammonium molybdate in china were described, and the recommendation for the development of ammonium molybdate was raised.
概述了我国钼酸铵产销和进出口状况及存在的问题,并对今后的发展提出了建议。
new tracer ammonium molybdate was used and samples with high or low concentration of molybdenum were analyzed by means of colorimetry and polarography.
采用新示蹤剂钼酸铵,并对高、低不同浓度的钼样品进行比色法和示波极谱法分析。
metformin hydrochloride and ammonium molybdate are retaining high producing power and market shares, there are the other tens kinds of medicine intermediates on researching .
二甲双胍盐酸盐和钼酸铵等具备较大的生产能力,具有较高市场份额。
in the system of sulfuric acid phenylglycollic acid cinchonine potassium chlorate, micro amount of tungsten in ammonium molybdate products has been determined by catalytic polarography.
在硫酸-苯羟乙酸-辛可宁-氯酸钾体系中,催化极谱法测定钼酸铵产品中的微量钨。
various sem appearances of ammonium molybdate crystalline and their application in molybdenum powder preparation by dynamic roastdissociation-reduction are introduced in this paper.
介绍了结晶态钼酸铵不同的sem形貌及其在动态焙解还原制取钼粉中的应用情况。