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min). After each time point, the samples were rinsed with phosphate buffered saline (PBS) and then transferred into new wells. The cells were detached from the samples using 0.05% trypsin (EDTA, Sigma......
chemical study of the selective separation of chalcopyrite and marmatite [J]. Miningence & Technology, 2010, 20(4): 542-545. [24] XIAO Wei, FANG Chao-jun, WANG Jun. The role of EDTA on rutile......
, and separated Sc from Fe3+, Fe2+ and Al3+ by adding EDTA(chelating agent) to chelate Sc before the second-step ion exchange, achieving the separation of impurities from ScCl3 solution. LIU et al [26......
Xiu-li, TU Jiang-ping. Effect of EDTA and NH4Cl additives on electrodeposition of Zn-Ni films from choline chloride-based ionic liquid [J]. Transactions of Nonferrous Metals Society of China, 2015, 25......
solution, 0.025 mol/L EDTA standard solution and triethanolamine were purchased from Huiwen Co., China. All materials were used without further purification. Electronic constant temperature water bath......
.将浸出渣置于DZF-6090型真空干燥箱(上海一恒科学仪器有限公司)中,在75 ℃下恒温12 h烘干,称量记录,分析. 2.3 分析检测与计算 采用重铬酸钾滴定法检测浸出液中Fe(Ⅱ)和Fe(Ⅲ)的浓度,采用EDTA滴定法检测浸出渣中锌,铁的含量;采用钨丝灯扫描电镜(SEM)对铁酸锌及其浸出渣进行宏观,微观形貌分析;浸出率和还原率分别采用式(3)和(4)进行计算. 锌的溶出率计算公式为......
燥称质量,计算浮选回收率. 1.3.3 Zeta电位测试 采用Brookhaven ZetaPlus Analyzer分析仪测试Zeta电位.将纯矿物用玛瑙研钵研磨至粒径小于5 μm,每次精确称取10 mg置于100 mL 1 mmol/L的KCl溶液中,用HCl或NaOH调节pH,依次加入一定量的EDTA或OHA,每次加药后磁力搅拌5 min,取上述样品加入样品池,在Zetaplus......
by filtration. The filter cake was washed carefully and dried for tests, while the concentration of filtrate was determined by the volumetric method. The alumina concentration was titrated by EDTA and lead......
)10 g/L,液固比10,浸出温度80 ℃和浸出时间0.5 h.浸出反应结束后快速进行液固分离,采用EDTA络合法测定滤液中Al2O3浓度,并按式(1)计算Al2O3的溶出率:  ......
J, Wang J, Liang Q N, Cao P, Wang X X, Zhang L J, Qiu G Z, HU J. The role of EDTA on rutile flotation using Al3+ ions as an activator [J]. RSC Advances, 2018, 8(9): 4872-4880. [22] Xiao W, Cao P......