diphenyl guanidine

Most of thorium was removed from the title ore in the 6V/ V% HCl solution using cupferron choroform, and uranium and remainder thorium eliminated from 10 V/ V% HCl solution by diphenyl guanidine ( DPG) Arsenazo ⅲ n-butanol.

试验了在6%（V/V）HCl中用铜铁试剂氯仿除去大部分钍，在10%HCl（V/V）中用二苯胍偶氮胂Ⅲ正丁醇除尽钍铀；

Development of Diphenyl Guanidine

二苯胍的研制

Development of Synthetic Technique for Diphenyl Guanidine

二苯胍合成技术进展

Diphenyl guanidine has been prepared by using of Fe2 O3 as catalyst and70% ethanol as solvent, and simultaneously the by-product H2S is used to prepare thiourea.

本文提出了在70%乙醇溶剂中以氧化铁作为触煤合成二苯胍，同时回收副产硫化氢合成硫脲的联合制备方法。

Studies on Extraction Spectrophotometry of Ternary Molybdenum(ⅵ) 4 ( 5 Bromo 2 Thiazolylazo) Pyrocatechol Diphenyl Guanidine Ion Associate

钼（Ⅵ）-4-（5-溴-2-噻唑偶氮）邻苯二酚-二苯胍三元离子缔合物的萃取分光光度研究

The electrochemical behaviour and the current property of the entitled complex have been investigated in NH_3 · H_20-NH_4Cl buffer solution ( pH 9. 5) containing EDTA and diphenyl guanidine. The mechanism of related reactions has been discussed.

本文研究了铍（Ⅱ）-钍试剂Ⅱ在EDTA、二苯胍、氨-铵缓冲溶液（pH9.5）中的电极行为和电流性质，并对有关机理进行了探讨。

It can further reacts with diphenyl guanidine to form a stable, neutral, violet-red 1: 2:1 ternary ionic-associate complex.

它可与二苯胍进一步反应形成电中性的稳定紫红色1∶2∶1三元离子缔合络合物。