当温度>570℃时,铁氧化物的还原顺序为:()→Fe3O4→FeO→Fe。 答案: Fe2O3 点击查看答案 手机看题 你可能感兴趣的试题 填空题 高炉()角越小对炉料的磨擦力就越小。 答案: 炉身 点击查看答案 手机看题 填空题 高炉采用攀枝花铁矿石冶炼生铁,其生铁成分与普通炼钢生铁成分不同之处是生铁成分中含有()。 答案: V和Ti
for the degradation of naproxen: characterization and optimization using response surface methodology Masoud Habibi Zare* & Arjomand Mehrabani‑Zeinabad In this study, ZrO2, TiO2, and Fe3O4 components were synthesized by co-precipitation, sol–gel, and co-precipitatio...
www.nature.com/scientificreports OPEN Removal of silver nanoparticles by mussel-inspired Fe3O4@ polydopamine core-shell received: 10 November 2016 microspheres and its use as efficientaccepted:13January2017 catalyst for methylene bluePublished:16February2017 reduction Maoling Wu,Yinying Li, Rui...
for the degradation of naproxen: characterization and optimization using response surface methodology Masoud Habibi Zare* & Arjomand Mehrabani‑Zeinabad In this study, ZrO2, TiO2, and Fe3O4 components were synthesized by co-precipitation, sol–gel, and co-precipitatio...
xFe+4H2O rarr Fe3O4+4H2 ଏଠାରେ x ସ୍ଥାନରେ କେଉଁ ସଂଖ୍ୟାଟି ଲେଖିଲେ ସମୀକରଣଟି ସମତୁଲ ହେବ ?
Due to the high rate constant of the process, the microwave process can sometimes lead to overheating of the reaction mixture, which can lead to unwanted side r eactions23. Moreover, the lack of precise temperature control can result in the formation of non-uniform products24. Despite...
According to the Langmuir isotherm, the maximum adsorption capacity of the magnetic matrix was 142.01 mg·g1 for the retention of paracetamol and 234.01 mg·g1 for the retention of acetylsalicylic acid. The benefits of using the Fe3O4@C matrix are the low cost of synthesis and its easy ...
题目题型:单选题 难度:★★★6万热度 铁氧化物还原按其氧势从高价到低价的顺序为()。 A、Fe2O3→Fe3O4→FeO→Fe B、Fe3O4→Fe2O3→FeO→Fe C、FeO→Fe2O3→Fe3O4→Fe 该题目是单项选择题,请记得只要选择1个答案! 正确答案 点击免费查看答案 会员登录试题上传试题纠错...
The products were purified via filtration of reaction mixture, and insoluble dicyclohexylurea was removed through a glass wool plug. The filtrate was washed four times with diethyl ether/ acetone and then the precipitates were collected via centrifugation. The freeze-dried pellet was stored at −...
The effect of system parameters including reaction time, pH, dose, temperature as well as initial concentration on the adsorption of Sb(III) were investigated by sequential batch tests. The Sb(III)/Fe3O4/HCO system quickly reached adsorption equilibrium within 2 h, was effective over a wide...