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In this paper, a linear regression method of multiwavelength data is proposed. The method, based on the difference of molar absorptivity between two coloured chelates at murti-wavelengths, can be appl...
中性浸出-硫氰酸汞-硫酸高铁铵分光光度法测定锌精矿中的氯量
氯 中性浸出 硫氰酸汞 硫酸高铁铵 分光光度法 锌精矿 中性浸出 硫氰酸汞 硫酸 高铁 分光光度法测定 锌精矿 Spectrophotometry Sulfate Ferric Neutral Leaching Concentrates Zinc Chlorine 范围 精密度 回收率 标准加入 结果 快速 方法
2014/6/19
利用水中性浸出,硫氰酸汞-硫酸高铁铵分光光度法测定锌精矿中氯的含量.方法简便快速,结果准确可靠,标准加入回收率为95.62%～106.25%,方法精密度(RSD,n=7)为1.99%-7.37%.测定范围w(Cl)为0.02% ～4.0%.
Determination of the Protonation Constants of Some Substituted Salicylideneanilines by the Spectrophotometric Method in Ethanol-Water Mixtures
Protonation constant titrimetry Schiff's base ethanol-water mixture potentiometric method spectrophotometric method
2010/4/22
Protonation constants of salicylideneaniline and methyl-, ethyl-, methoxy- fluoro-, chloro-, bromo- and iodo- substituted salicylideneanilines were determined by spectrophotomeric titrimetry in 10, 30...
Silver Recovery from Waste Photographic Films by Using Enzymatic Method
Silver recovery waste photographic films Bacillus subtilis
2010/4/23
A different enzymatic method was developed for stripping the silver from waste X-ray photographic films. The silver having purity of > 99% was recovered by smelting the obtained slurry in the presence...
Synthesis of 4-Benzyl-1-Piperazineglyoxime and its Use in the Spectrophotometric Determination of Nickel
Synthesis of 4-Benzyl-1-Piperazineglyoxime Spectrophotometric Determination Nickel
2010/6/29
A new reagent, 4-benzyl-1-piperazineglyoxime(BPGH2), was synthesized and used for developing a simple and rapid extractive method for the spectrophotometric determination of nickel. This method is bas...
Spectrophotometric Determination of Uranium in Waste Water of Phosphoric Acid and Fertilizer Manufacturing Process
Phosphate rocks fertilizers uranium waste water TOPO
2010/6/29
In this study, waste water drains and produced phosphate fertilizers of conventional wet-process (hemihydrate) phosphoric acid and phosphate fertilizer plants were investigated to determine the averag...
Photoelectron Spectroscopy: A Tool in Sorption Studies
Photoelectron Spectroscopy A Tool in Sorption Studies
2010/8/19
Photoelectron spectroscopy using AlKa (hn=1486.3 eV) has been applied to study the sorption of Cs+, Sr2+, Ba2+, Zn2+ and Co2+ on magnesite kaolinite, smectite and chlorite. From the observed intensiti...