1) sulfurous acid
亚硫酸
1.
Using the pellets obtained as experimental materials,the paper researches on the original pyrite-producing sulfurous acid line and modified the structure of blast furnace in order to adapt with furnace capacity and combustion intensity.
在原有以黄铁矿生产亚硫酸的生产线上做试验,有针对性地对原鼓风炉结构进行了技术改造,以适应硫精砂球团入炉熔炼所需的床能力和燃烧强度。
2.
For one portion,sulfurous acid was added to reduce a small amount of Cr6+ into Cr3+,and in the presence of EDTA,ammonia was used to neutralize it to pH3~5 to make CR3+ and EDTA form red complex,by which chrome content was determined.
1份加亚硫酸还原少量Cr6+为Cr3+,在EDTA存在下,用氨水中和至pH值3～5,使Cr3+与EDTA生成红色络合物借此测定铬量;另1份试液加酒石酸钾钠掩蔽铁等干扰元素,用氢氧化钠调节pH值>11,在氧化剂过硫酸铵存在下,镍与丁二酮肟生成橙红色络合物测定镍量,相对标准偏差铬<0。
2) thiosulfurous acid
硫代亚硫酸
3) cuprous sulfite
亚硫酸亚铜
4) ferrous sulfate
硫酸亚铁
1.
Study on ferrous sulfate microencapsulation;
微胶囊化硫酸亚铁的研究
2.
Preparation of nanometer ferric oxide from ferrous sulfate by liquid phase method;
硫酸亚铁液相法制纳米氧化铁的研究
3.
Preparation of highpurity manganese dioxide by leaching manganese ore with ferrous sulfate from by-product of titanium white;
用钛白副产的硫酸亚铁浸锰制备高纯二氧化锰
5) sodium sulfite
亚硫酸钠
1.
Analysis method of contents of sodium sulfite in brine and its influential factors;
盐水中亚硫酸钠含量的分析方法和影响因素
2.
Analysis on the feasibility of substituting sodium pyrosulfite for sodium sulfite in the removal of chlorine;
用焦亚硫酸钠替代亚硫酸钠脱氯的可行性分析
3.
Determination of meloxicam by potassium permanganate-sodium sulfite flow-injection chemiluminescence system;
高锰酸钾-亚硫酸钠流动注射化学发光体系测定美洛昔康
6) Na2SO3
亚硫酸钠
1.
Application of Na2SO3 to chemical deoxidization;
亚硫酸钠化学除氧的应用
2.
The cement solidified bodies were made with fly ash and furnace slag as additions and with Na2SO3 as reduction agent.
实验结果表明:以矿渣、粉煤灰为固化体添加剂,同时加入亚硫酸钠作还原剂所得到的铬渣水泥固化体,其六价铬浸出毒性低于国家标准,抗压强度可达26 MPa以上,可以综合利用;日晒实验结果证明,该固化体在进行综合利用时应尽量避免日晒。
3.
polymerization of Methyl methacrylate(MMA) initiated by Na2SO3/H2O system is investigated, and the factors that influence polymerization rate (Rp) and molecular weight are also discussed.
实现了亚硫酸钠水溶液可以引发甲基丙烯酸甲酯(MMA)的聚合,并进一步研究了各种因素对聚合速率和聚合物分子量的影响。
补充资料：亚硫酸
化学式H2SO3由二氧化硫溶于水而得,只存在于水溶液中，还未制得纯净的亚硫酸。亚硫酸是弱酸（电离常数K1＝1.6×10-2，K2＝1.0×10-7）,溶液中含有H3O+、HSO婣和少量SO娫。亚硫酸具有强还原性，可氧化成硫酸：
H2SO3+Br2+H2O─→H2SO4+2HBr由于亚硫酸中硫的氧化数为＋4，遇到强还原剂时,又表现出氧化性，被还原为单质硫：
H2SO3+2H2S─→3S+3H2O亚硫酸是工业上常用的还原剂、漂白剂和消毒杀菌剂。
H2SO3+Br2+H2O─→H2SO4+2HBr由于亚硫酸中硫的氧化数为＋4，遇到强还原剂时,又表现出氧化性，被还原为单质硫：
H2SO3+2H2S─→3S+3H2O亚硫酸是工业上常用的还原剂、漂白剂和消毒杀菌剂。
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