hydrogen peroxide H2O2 是什么颜色的呢?怎么我见到深蓝色还有白色的呢?如果真的有两样颜色,那它们有什么分别呢?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 08:32:24

hydrogen peroxide H2O2 是什么颜色的呢?怎么我见到深蓝色还有白色的呢?如果真的有两样颜色,那它们有什么分别呢?
hydrogen peroxide H2O2 是什么颜色的呢?怎么我见到深蓝色还有白色的呢?
如果真的有两样颜色,那它们有什么分别呢?

hydrogen peroxide H2O2 是什么颜色的呢?怎么我见到深蓝色还有白色的呢?如果真的有两样颜色,那它们有什么分别呢?
一般我们见到的是过氧化氢的水溶液,俗称双氧水,是无色透明的.
纯净的过氧化氢就是蓝色的.当然这种物质是极难制取的,浓度到达70%以上后,外界条件稍有剧烈变化就会引起剧烈的爆炸

有这篇论文吗?“Estimation of hydrogen peroxide in plant extracts using titanium”, Metal-Catalyzed Epoxidations of Alkenes with Hydrogen Peroxide这句话怎么翻译 hydrogen hydrogen 请翻译下英文,关于生物的peroxisomes are vesicles that .peroxisomes are vesicles that oxidize organic substances with a resulting builduo of hydrogen peroxide...buildup Hydrogen Peroxide(好像叫双氧水)在北京哪里有卖?不是30%的双氧水,是医药用的,好像是3%的那种.像WATSONS有卖么? hydrogen peroxide H2O2 是什么颜色的呢?怎么我见到深蓝色还有白色的呢?如果真的有两样颜色,那它们有什么分别呢? 英语翻译Electron transfer at each step of the respiratory chain is not completely efficient,resulting in the escape of electrons that reduce O2 to superoxide anion,which is converted to hydrogen peroxide by the action of manganese superoxide dism 求高人翻译一下 英语科技外文的All solvents and reactants were obtained from Aldrich and usedwithout further purification: hydrogen peroxide solution 30%, ace-tonitrile 99.9%, tetrapropylammonium bromide 99%, glacial aceticacid 99%, and p 英语翻译A potentiometric titration for H2O2determination in thepresence of organic compoundsM.P.Gimeno,* M.C.Mayoral and J.M.Andres´A new method for the quantitative analysis of hydrogen peroxide in the presence of organic substances isdescr 英语翻译1.at one point they were looking at hydrogen peroxide and RP rocker fuel-peroxide has its nasty habits but beats hydrazine.2.satellite inspection was another logical mission,and there were some briefings,videos and graphics which showed t 英语翻译Please quote CFR SANTOS for Hydrogen Peroxide 50% also indicating highest concentration that you can supply. I have searched the website and found it better to contact with yuor company,we are one of the heavy consumer of hydrogen peroxid benzoyl peroxide是什么意思 peroxide-free是什么意思? hydrogen determination hydrogen是什么意思? 英语翻译General Procedure for the Sulfoxidation.The catalyst precursor2 (6.3 mg,0.02 mmol) was dissolved in [BMIm]PF6 (0.5 mL)and methanol (3.2 mL) in a 20 mL vial.The sulfide (1 mmol) wasthen added followed by hydrogen peroxide (30% in water) (1 英语翻译DEAR SIRS,PLEASE SEND US YOUR MOST COMPETITIVE OFFER ON THE BASIS OF C&F CHITTAGONG BY SEA FOR THE FOLLOWING ITEM.MENTIONING PACKING,ORIGIN,MANUFACTUER NAME,DELIVERY TIME,COA ETC.ALONG WITH YOUR OFFER.20 MT HYDROGEN PEROXIDE 50%20 MT SODA