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Cloud point extraction and flame atomic absorption spectrometry analysis of palladium, platinum, and gold ions from industrial polluted soilLIAN Yuanpei a , ZHEN Wei b , TAI Zhigang a , YANG Yaling...., Kunming 650106, China摘 要:Cloud point extraction (CPE) with Tergitol TMN-6 was applied for the extraction of trace amounts of palladium (Pd(Ⅱ)), platinum (Pt......
壳聚糖-多壁碳纳米管修饰玻碳电极差分脉冲溶出伏安法测定痕量钯(Ⅱ)齐蕾1,齐同喜2(1.江苏省南京市南京大学化学化工学院2.山东理工大学 化学工程学院,山东淄博 255049)摘 要:将多壁碳纳米管(MWCNT)分散于壳聚糖(CTS)溶液中,修饰在玻碳电极(GCE)表面,制成了壳聚糖-多壁碳纳米管修饰玻碳电极(CTS-MWCNT-GCE).利用差分脉冲溶出伏安法研究了钯(Ⅱ)在该电极上的溶出伏安特性,优化了试验条件,提出了一种测定痕量钯(Ⅱ)的新方法.试验发现,在0.1 mol/L乙酸钠-0.1 mol/L盐酸......
Palladium nanoparticles supported on amine-functionalized glass fiber mat for fixed-bed reactors on the effective removal of hexavalent chromium by catalytic reductionYu Gao1,2,Wuzhu Sun1,3,Weiyi... Academy of Engineering Physics3. School of Materials Science and Engineering, Shandong University of Technology摘 要:Palladium nanoparticles were deposited......
湿法分解-等离子体质谱测定区域地球化学调查样品中金,铂,钯闫红岭1,李振1,刘军1,高志军1(1.河南省郑州市河南省岩石矿物测试中心河南省金属矿产成矿地质过程与资源利用重点实验室)摘 要:采用湿法分解制成10%盐酸试液,用活性炭-树脂复合富集材料吸附,灰化,溶解后,用Rh作内标,等离子体质谱仪测定区域地球化学调查样品中金,铂,钯.研究了富集材料,吸附方式等对金,铂,钯的吸附影响.该方法操作简便,分析速度快,有效降低了测试过程的空白值,用ICP-MS测定时不需要扣除干扰,检出限分别为Pt 0.057 ng/g,P......
醋酸钯三聚体制备工艺及改进 施善林1 (1.沈阳有色金属研究院,辽宁,沈阳,110141) 摘要:采用外冷凝装置代替醋酸钯制备工艺中的回流装置,实现了冰醋酸的回收和结晶母液体积的控制.确定了溶解10 g海绵钯需要250 mL冰醋酸和5 mL硝酸的最佳溶剂用量,同时得出醋酸钯母液钯质量浓度为65 g/L时醋酸钯的产率最高.经2次结晶,醋酸钯的总产率为98.46%.改进后工艺稳定,产率提高,成本节约,钯的总回收率达99.95%以上,红外光谱结果表明产物为三聚体醋酸钯. 关键词:配位化学; 醋酸钯三聚体; 制备; 冷凝; 工艺改进; coordination chemistry; trimeric palladium(Ⅱ) diacetate; preparation; condensation; technology improvement; [全文内容正在添加中] ......
The Complex of Crosslinked Chitosan with 4′-formal Benzo-15-crown-5 and Palladium Used as Catalyst for Asymmetric Hydrogenation of α-phenylethanone易英,汪玉庭摘 要:palladium complex catalyst could be reused without......
用.结合活性考察可知,pd~+的存在有利于甲醇的分解.Pd/Ce_(0.65)Zr_(0.35)O_2催化剂具有高的催化活性,220℃时甲醇转化率接近100%. 关键词:γ-Al_2O_3; Ce_(0.65)Zr_(0.35)O_2; Pd催化剂; 甲醇分解; γ-Al_2O_3; Ce_(0.65)Zr_(0.35)O_2; palladium based catalyst......
D290树脂-活性炭吸附电感耦合等离子体原子发射光谱法测定铬精矿中金铂钯杨丽飞1,李异1,苏明跃1(1.天津市天津出入境检验检疫局 化矿金属材料检测中心)摘 要:铬精矿试样用过氧化钠熔融,经过D290树脂-活性炭柱分离富集,用电感耦合等离子体原子发射光谱(ICP-AES)法测定金,铂,钯.富集在pH1.0的条件下进行,6mol/L硫脲-0.1mol/L盐酸溶液洗脱.测定时选择267.595,265.945,229.653nm分别作为金,铂,钯的分析线,对于2μg/mL的Au,Pt,Pd,测定溶液中50倍浓度的F......
:O614.82 文献标志码:A Solid phase extraction of palladium with hexyl benzimidazole sulfide resins HUANG Zhang-jie, CHEN Jing, XIE Ming-jin (School of Chemical Science... with this HBMS. The properties of the extraction of palladium with the HBMS resins were studied. The effects of H+ concentration on the extraction of Pd (Ⅱ) were investigated. The results show that platinum......
at the grain boundaries and precipitated into clusters. Due to the closed-shell electronic configurations of both helium and palladium, Pd grain boundaries yield strong capability of retaining helium atoms.... The diffusion activation energies of interstitial helium atom at these two Pd grain boundaries were also evaluated. Key words: helium atoms; diffusion; grain boundary; palladium; molecular dynamics 1......
