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This paper studies the effects of PH value,carbon chain length and structure of xanthate on the flotation behaviors of cerusite.

考察了白铅矿硫化的pH范围,黄药碳链长度及其结构对黄药捕收白铅矿浮选行为的影响。

It is necessary to sulfide cerusite when the collector is xanthate and the best range of pH for sulfuration is 8～10.

用黄药作为白铅矿捕收剂时,需要对白铅矿进行硫化,硫化的最佳pH范围是8~10;碳链越长,对白铅矿的捕收效果越好;异构体黄药捕收能力较正构体要好;在不硫化的条件下,黄药能够浮选白铅矿,但浮选指标不高。

The influences of the dosage of Na2S, pH values,sulfidization time and the types of pH modifiers on the flotation of cerusite and limonite have been studied in this paper,and the performance of ethyl xanthate,butyl xanthate,isobutyl xanthate,amyl xanthate and isoamyl xanthate are studied in detail respectively.

详细研究了硫化钠用量、矿浆pH值、硫化时间以及pH调整剂种类对白铅矿和褐铁矿浮选的影响,重点考察了乙基黄药、丁基黄药、异丁基黄药、戊基黄药和异戊基黄药五种黄药的捕收性能。

Collecting Performances of Ureidoalkanephosphonates and Thioureidoalkanephosphonates for Cerussite,Calcite and Quartz;

含(硫)脲基膦酸酯对白铅矿、方解石和石英的捕收性能

A new collector with chelate-ability,diphenyl α-(3-phenylthioureido) alkanephosphonate,is synthesized,and the collecting performance for cerussite,calcite and quartz,and the relationship between property and structure are investigated, and the depressor function of pyrogallic acid are also studied.

合成具有螯合性能的新型捕收剂———-α(3-苯基硫脲基)烃基膦酸二苯酯,研究该系列化合物对白铅矿、方解石和石英的捕收能力以及结构和性能的关系,并考查焦性末食子酸的抑制作用。

Products on the sulphurized surfaces of cerussite and smithsonite have been studied by means of infrared spectra,Auger electronic spectra,X-ray pho- toelectron spectroscopy and X-ray diffraction techniques etc.

本研究采用红外光谱、俄歇电子能谱、X 射线光电子能谱、X 射线衍射等手段测定了白铅矿、菱锌矿硫化表面产物。