1) new lewis acid ferric potassium alum
新型Lewis酸铁钾矾
1.
The preparation of new Lewis acid ferric potassium alum was studied and then ethyl lactate was synthesized from lactic acid and ethyl alcohol with Lewis acid as catalyst.
研究了新型Lewis酸铁钾矾的制备,并以该Lewis酸为催化剂,通过乳酸和乙醇反应合成乳酸乙酯,考察了催化剂用量、反应时间、酸醇物质的量比对酯化率的影响。
2) krausite
['krəu,sait]
钾铁矾
1.
Many supergene minerals were found by X-ray diffraction(XRD),differential thermal analysis(DTA)and thermal gravimetric analysis(TGA),of which three sulfate minerals,krausite,rhomboclase and parabutlerite,were for the first time found in China.
X射线粉晶衍射、湿法化学和差热分析研究表明,钾铁矾、板铁矾和副基铁矾3种硫酸盐矿物均系在中国首次发现。
3) jarosite
['dʒærə,sait,dʒə'rəusit]
黄钾铁矾
1.
Biosynthesis and Characterization of Jarosite;
黄钾铁矾的生物合成与鉴定
2.
The formation conditions of jarosite and its environmental significance;
黄钾铁矾的形成条件研究及其环境意义
3.
The results indicate that both the precipitates produced by Leptospirillum ferriphium strain DY and Acidithiobacillus ferrooxidans strain GF are composed of jarosite and ammonium jarosite.
结果表明:无论是嗜铁钩端螺旋菌DY菌株(Leptospirillum ferriphium),还是嗜酸氧化亚铁硫杆菌GF菌株(Acidithiobacillus ferrooxidans)合成的沉淀都是黄钾铁矾和黄铵铁矾的混合物;其中,GF合成的沉淀混合物中黄钾铁矾的含量比DY合成的黄钾铁矾约高出5。
4) voltaite
绿钾铁矾
1.
1% and 74% respectively, voltaite crystal and solid FeCl_3 have been produced by crystallizing in a lower temperature following the vaporization of the wastewater, with 70% iron and 96.
1%的绿钾铁矾和 74 %的三氯化铁 。
6) volatility process hot acid leaching
热酸浸出黄钾铁矾法
补充资料：矾
| 矾 alum 一类水合的硫酸盐复盐。通式 M2ISO4 · M2III（SO4）3·24H2O或MIMIII（SO4）2·12H2O，MI可以是Na+ 、K+、Rb+、Cs+、NH4+、Tl+、Ag+；MIII可以是 Al3+ 、Fe3+、Cr3+ 、Mn3+ 、Co3+、Ga3+、Ti3+、V3+、Ir3+、Rh3+、In3+。最重要的矾是钾铝矾KAl（SO4）2·12H2O（即明矾），为无色晶体，有涩味，溶于水，可用作净水剂、媒染剂和造纸充填剂，也用于制造焙粉。其他还有铬铵矾NH4Cr（SO4）2·12H2O和铬钾矾 KCr（SO4）2·12H2O，用作鞣剂和媒染剂；铁钾矾 KFe(SO)·12HO用作媒染剂；铁铵矾NH4Fe（SO4）2·12H2O用作媒染剂、分析试剂，也用于制药。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条