To produce electrolytic Manganese metal,we utilized the wasted acids in the process of Titanium white production,adopted partial electrolyte waste openning,precipitating Mn,braizing ammonia sulfate to extract ammonia hydroxide.
为了解决制取电解金属锰利用酸法生产钛白粉所产废酸的加入能力,采用部分废电解液开路沉Mn以及硫酸铵蒸氨制取氢氧化铵,以解决酸平衡与溶液平衡问题并获得较好经济效益。
Methods of preparing tetramethylammonium hydroxide (TMAH) are summarized, advantages and disadvantages of these methods are compared.
总结了几种制备四甲基氢氧化铵的方法,比较了各种方法的优缺点,介绍了其在不同领域的应用情况。
Organosilicon resin microparticles with phenyl and aminopropyl groups were prepared via the hydrolytic co-condensation of phenyltriethoxysilane(PTES),γ-aminopropyltriethoxysilane(APS) and diphenyldimethoxysilane(DDS) under the catalysis of tetramethylammonium hydroxide (TMAOH ).
在四甲基氢氧化铵(TMAOH)水溶液的催化作用下,将苯基三乙氧基硅烷(PTES)、γ-氨丙基三乙氧基硅烷(APS)和二苯基二甲氧基硅烷(DDS)进行水解共缩聚制备氨丙基苯基有机硅树脂微粉。
This product was prepared w ith octamethyl-cyclotetrasiloxane and tetramethyltetravinylcyclote-trasiloxane as monomers,a low visco sity hydroxyl -terminated silicone oil as an end -bl ocking agent and tetramethylammonium hydroxide as catalyst.
以八甲基环四硅氧烷为单体,四甲基四乙烯基环四硅氧烷为改性单体,羟基硅油为封端剂和相对分子质量调节剂,四甲基氢氧化铵为催化剂,在羟基硅油质量分数小于0。
TS 1 samples were synthesized in presence of TPABr and n butylamine or by the modified classical synthesis with TPAOH as template.
分别在四丙基溴化铵 (TPABr) 正丁胺体系和以四丙基氢氧化铵 (TPAOH)为模板剂的修正经典合成法体系中合成了钛硅分子筛TS 1,对比了两个体系的晶化过程 ,并对所获得的TS 1进行了XRD、IR、SEM表征和催化反应性能评价。
oxalic acid precipitation and ammonium hydroxide precipitation,were studied.
研究了分别采用草酸和氢氧化铵沉淀分离稀土镁中间合金中的稀土,EDTA络合滴定法快速测定电解稀土镁中间合金中镁的两种方法。