硫酸铁铵

以十二水合硫酸铁铵作催化剂，相转移催化剂（PTC）PEG-400为助催化剂，利用超声波和微波辐射催化缩酮反应。

The ketol reaction is catalyzed by ammonium ferric sulfate in the presence of PEG - 400 as a PTC under ultrasound and microwave irradiation .

以十二水合硫酸铁铵为催化剂合成乙酸酯。

Acetates were synthesized with ammonium ferric sulfate as catalyst .

在十二水合硫酸铁铵存在下由异戊醇和苯甲酸合成苯甲酸异戊酯，实验确定了最佳反应条件：催化剂4g，反应时间3h，反应醇酸物质的量比为1∶2.5。

The amount of catalyst was 4 g. The reaction time was 3 h. And the proportion of mole of isoamylol and benzoic acid was 1 ∶ 2.5 .

在氨性介质中，以硫酸铁铵作共沉淀剂，预富集硫酸铜中的微量砷、铅，ICP-AES测定砷、铅的含量。

As and Pb in cupric sulfate was co precipitated with ammonium iron sulfate in the presence of ammonium solution , dissolved with hydrochloric acid , and determined by ICP AES .

硫酸铁铵催化合成环已酮乙二缩酮

Synthesis of Cyclohexanone Ethylene Ketal Catalyzed by Ammonium Ferric Sulfate

硫酸铁铵制备条件的探讨

Research on the Preparation and Condition of Ammonium Ferric Sulfate

综述了采用对甲苯磺酸、Fe-β沸石、树脂固载相转移催化剂、十二水合硫酸铁铵、硫酸氢钠和硫酸氢钾等催化剂合成丁酸苄酯的方法。

The catalytic synthesis of benzyl butyrate with p-toluene sulphonic acid , Fe - β zeolita , phase-transfer catalyst and inorganic salts were reviewed .

硫酸铁铵的热分解过程及产物的催化活性

On the thermal decomposition of ammonium iron sulfate and the catalytic activity of the decomposition product for synthesis of tri - n - butyl citrate

十二水合硫酸铁铵作为乙酸和异丁醇的酯化催化剂，性能优于硫酸。

It has been found that ammonium ferric sulfate dodecahyrate was superior to H2SO4 when used as catalyst for esterification of isobutanol with acetic acid .

将十二水合硫酸铁铵作催化剂，应用于乳酸和正丁醇的酯化反应中，合成了乳酸正丁酯。

In the paper , ammonium ferric sulfate do was used as the catalyst in the synthesis of n-butyl lactate from lactic acid and n-butyl alcohol .

水解聚马来酸酐三元复配阻垢性能研究以水为溶剂，30%过氧化氢为引发剂，硫酸铁铵为催化剂，直接合成了水解聚马来酸酐。

Research on Scale Inhibition Performance of Compound of HPMA , HEDP and AMPS Hydrolyzed polymaleic anhydride was synthesized using iron ammonium sulfate as catalyst and hydrogen peroxide as initiator in aqueous media .

方法：采用麦芽酚-硫酸铁铵比色法，以硫酸铁铵为显色剂，于521nm波长处测定硫酸链霉素的吸收度；

METHODS : The maltol-ammonium ferric sulfate colourimetry was adopted in which the ammonium ferric sulfate was taken as the developer , the absorbability of streptomycin sulfate was determined with the wavelength at521nm ;

利用水中性浸出，硫氰酸汞-硫酸高铁铵分光光度法测定锌精矿中氯的含量。

Improvement for titrimetric determination of chromium in steel based on ferrous ammonium sulfate oxidized by perchloric acid ;

过量的硫酸钒以蕃红花作指示剂用硫酸铁铵标准溶液反滴定。

The excess content of vanadic sulfate then is back-titrated with ammonium ferric sulfate standard solution , using safron as the indicator .

采用废铁片与硫酸反应制备硫酸亚铁溶液，然后加入氧化剂&过硫酸铵反应制得硫酸铁铵。

The essay use the way scrap iron react with sulfuric acid , then adding oxidant-ammonium peroxydisulfate .

用硫酸-硫脲-硫代乙醇酸溶液选择溶解硫化银；用硫酸-硫脲-硫酸高铁铵溶液选择溶解自然银。高纯钨酸铵溶液中活性炭深度除硫研究

A mixture of sulphuric acid-thiourea-thioglycollic acid is used as selective solvent for free silver sulphide and sulphuric acid-thiourea-ferric sulphate for free native silver . On Deep Desulfurization by Activated Carbon in High Purity Ammonium Tungstate Solution