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- ammonium ferric sulphate 分光光度法
- Acetates were synthesized with ammonium ferric sulfate as catalyst. 以十二水合硫酸铁铵为催化剂合成乙酸酯。
- Modified polymerized ferric sulphate flocculating agent was made with ferrous sulphate heptahydrate,sulphate acid,natrium chlorate etc. 以七水硫酸亚铁、硫酸、氯酸钠等原料,制备了改性聚合硫酸铁絮凝剂。
- Based on aluminium sulphate,ferric sulphate and silicic acid,polysilicate aluminium ferric (PSAF) being used as a flocculant has been synthesized. 以硫酸铝、硫酸铁、水玻璃为主要原料,制备了聚合硅酸铝铁(PSAF)絮凝剂。
- Copper and polymerized ferric sulphate were prepared by using scrap iron coils to react with acid wastewater containing copper ion. 利用废铁卷与含铜酸性废水作用制备金属铜和聚合硫酸铁,并用聚合硫酸铁作絮凝剂处理酯化废水。
- Dibutyl maleate is prepared from maleic anhydride and n-butyl alcohol in the presence of ammonium ferric sulfate dodecahydrate. 在十二水合硫酸铁铵存在下由顺丁烯二酸酐和正丁醇制备了顺丁烯二酸二丁酸。
- The effects on the product alkalization degree by adding the assistflocculant in the preparation process of polymerized ferric sulphate were studied. 考察了助聚剂的种类、用量、反应温度以及存放时间等因素对聚铁溶液制备时产品盐基度的影响,得到较佳的条件。
- Cyclohexanone ethylene ketal was synthesized from cyclohexanone and ethylene in the presence of ammonium ferric sulfate. 对以十二水硫酸铁铵为催化剂,以环己酮和乙二醇为原料合成环己酮乙二醇缩酮的反应条件进行了研究。
- Esterification of acetic acid and various alcohols,with ammonium ferric sulfate dodecahydrate as its catalyst,is discussed. 研究了十二水合硫酸铁铵催化下乙酸与不同醇的酯化作用。
- Diethyl maleate was synthesized from maleic anhydride and ethyl alcohol in the presence of ammonium ferric sulfate dodecahydrate. 在十二水合硫酸铁铵存在下,由马来酸酐与乙醇合成了马来酸二乙酯,研究了反应的影响因素和催化剂的重复使用性能。
- Polymeric ferric sulphate was produced from pyritecinder after magnetical separation by decompositionwith H2SO4, oxidation, hydrolysis and Polymerization. 用磁选后的硫铁矿烧渣为原料,经硫酸溶解、氧化、水解、聚合,得产品聚合硫酸铁。
- Isoamyl betyrate was synthesized from isobutyric acid and isoamyl alcohol using ammonium ferric sulfate as a catalyst in the yield of 96.5%. 以十二水合硫酸铁铵为催化剂,由丁酸和异戊醇合成了丁酸异戊酯,优化了酯化条件。
- It has been found that ammonium ferric sulfate dodecahyrate was superior to H2SO4 when used as catalyst for esterification of isobutanol with acetic acid. 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。
- After the flocculation of wastewater being acidified and neutralized and 0.4% of poly aluminum ferric sulphate(PFAS),the removal rate of COD can reach above 50% and the chroma decreases four times. 经酸析、中和工艺处理后的废水与0.;4%25的聚合硫酸铝铁进行混凝处理后;废水的COD单元去除率仍可达50%25以上;色度降低了4倍。
- The yield of the ester could reach 82.3% under amount of substance ratio of benzoic acid, isoamyl alcohol and ammonium ferric sulfate were 1:4:0.17, refluxing and water segrating for 4h. 当苯甲酸、异戊醇和硫酸铁铵的物质量比为 1:4:0 .;17;回流分水 4h;酯收率达 82
- Isoamyl betyrate was synthesized from isobutyric acid and isoamyl alcohol using ammonium ferric sulfate as a catalyst in the yield of 96.5%. The reaction conditions were advantageous and succinct. 以十二水合硫酸铁铵为催化剂;由丁酸和异戊醇合成了丁酸异戊酯;优化了酯化条件。实验结果表明;催化剂的催化活性高;反应条件温和;易于操作;方法简便;酯化率可达96.;5%25。
- modified polymerized ferric sulphate 改性聚合硫酸铁
- ammonium ferric hydrogen phosphate 磷酸氢铁铵
- ammonium ferric phosphate hydrate 水合磷酸铁铵
- ammonium ferric suiface dodecahydrate 硫酸铁铵
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