Developments of p CO 2, sulfide and NH 3-N marine chemical sensors are reviewed in this article. Fiber opticsensors were developed to measure p CO 2, NH 3-N, DO etc. Ion-selective electrode based on Ag 2S is still a prior choice for an improvement to the sulf...
本文评述了 60年代末以来用于天然水体中CO2、NH3-N和S检测的化学传感器的研制情况，进一步讨论了海洋化学传感器研制所需解决的问题和发展方向，并分析了海洋化学传感器研制进展缓慢的原因。
The results of flotation tests show- ed that when ethylene diamine phosphate was used as activator chryso- colla could be efficiently collected by butyl xanthate without addition of sodium sulfide, but malachite flotation was depressed by this reagent ow- ing to dissolving of excessive copper ion in thesolution.
用该法处理氧化铜矿，存在浮选回收率低、药耗大、环境污染严重等缺点，尤其是难以有效地回收硅孔雀石等难浮矿物。为了解决这一问题，近十多年来，人们开展了应用亲铜鳌合剂作为活化剂，配合黄药浮选难选氧化铜矿物的研究。
Electricity catalysis for leaching Zinc sulfide mineral reasonable technology condition is: Stirring speed 400rpm; trough voltage 2~4V; calcium chloride solution concentration lmol. L~-1; surface active reagent concentration 0.2g. L~-1; leaching time 4 hours, iron ion concentration 0.20mol. L~-1; When hydrochloric acid was choosed as impregnant, leaching temperature 363K; hydrochloric acid concentration 2.0mol. L~-1 were perfect exterior qualification.
锌精矿电催化浸出合理工艺条件：搅拌速度控制为400rpm；槽电压2～4V；CaCl_2溶液浓度1.0mol.L~(-1)；表面活性剂十二烷基苯磺酸钠浓度为0.2g.L~(-1)左右；浸出时间4h；Fe~(3+)浓度为0.20mol.L~(-1)；选择363K为浸出温度，盐酸溶液浓度为2mol.L~(-1)。
Ammonia and nitrate, ferrous ion, sulfide, various gases and organic acids are sequentially formed, corresponding to the activities of aerobic and facultatively anaerobic bacteria, sulfate reducing bacteria, and methane producing bacteria with the development of reduction reactions.
在还原过程中，随着好氧细菌、兼性厌氧细菌、硫酸还原菌和甲烷菌的活动，相继形成氨、硝酸根离子、亚铁离子、硫化物、气体物质及有机酸。
Research on the high consistency wastewater of copper ammoniate complex-ion treated with two step deposition of acid and sodium sulfide
用酸一硫化钠二步沉淀法处理高浓度铜氨络离子废液研究
The results showed that the activation of sodium sulfide to the smithsonite due to the HS-ion adsorbed on the smithsonite's surface and lead to the zeta potential drop.
结果表明，硫化钠对菱锌矿的活化作用主要通过HS-吸附在菱锌矿表面，降低菱锌矿表面电位实现；
The separation and determination of trace sulfide in water, combined with flow injection analysis is carried out by low ion chromatography with chemiluminescence detection.
结合流动注射技术，将低压离子色谱与化学发光联用检测痕量硫离子。
The methods have applied for the determination of sulfide ion in waste -, river water, human serum, pure metal and chemical reagent etc.
这些方去已被应用于废水、河水、血清、纯金属和化学试剂中硫离子的测定。
A Potentiometric Method for Determination of Sulfide Ion with pH Glass Electrode as Reference Electrode in Acid Media
在酸性介质中用玻璃pH电极作参比电极测定硫离子的新方法
An experiment for determination of the total number of sulfide ions in the waste water from petroleum refinery with a single high input impedance ion meter and with a pH glass electrode and a sulfide electrode in acid media is described.
本文用普通的单高阻输入离子计和PH/S电极对，在酸性介质中测定炼油污水的硫离子，无需使用PH缓冲液。
Preparation of nano cadmium sulfide as ion sensitive material for ion-selective electrode
纳米硫化镉离子敏感材料的研制及其在离子选择电极上的应用
Rare-earth ion activate calcium sulfide has excellent luminescent property, it is important assistant agents of plastic film, which named light conversion agent (LCA).
稀土离子激活的硫化钙发光材料具有优良的转光性能，是农膜中的重要助剂（简称转光剂）。
The concentration of hydrogen ion, voltage on electrobath and the temperature of electrolyte were the main factors affecting hydrogen production from indirect electrolysis of hydrogen sulfide and the voltage on electrolytic cell took a most important part in the process.
通过理论推导和实验验证，确立了硫化氢间接电解制氢中试阴极反应的主要影响因素为氢离子浓度、槽压和电解液温度，其中槽压的影响最大。
Study on Chemiluminescence Reaction of Potassium Permanganate-Formaldehyde-Sulfide Ion System
高锰酸钾-甲醛-S~（2-）化学发光反应的研究
The instrument can be used for the determination of total sulfur, total chrorine, trace water, bromine number and bromine index, mercaptan and hydrogen sulfide, chloride ion, salt content and chemical oxygen demand.
仪器可广泛用于各种样品中总硫、总氯、微量水分、溴价和溴指数、硫醇和硫化氢、氯离子和盐含量以及化学需氧量等的测定。
In the range of experiment, Ag ions, which have been added to the leaching system, occur mostly as silver sulfide and a few as Ag ion, regardless of the initial concentration of Ag ions.
在实验范围内，不论银离子初始值大小如何，银离子在加入浸出体系后主要是以硫化银形式存在，以离子形式存在于溶液中只占很小一部分。
Preparation of nano-particles of silver sulfide as ion-sensitive material
纳米硫化银离子敏感材料的研制
Determination of Sulfide in Source Water by Ion Chromatography-Pulsed Amperometric Detector
水源水中无机硫化物的离子色谱-脉冲安培测定法
Study on the Ion Flotation Spectrophotometric Determination of Trace Amount Sulfide Ion in Water & Application of Computer Simplex Optimization
用离子浮选分光光度法测定水中硫离子的研究&计算机单纯形优化法的应用
In an acidic medium KBH 4 was decomposed to produce hydrogen. The sulfide in water was separated by the hydrogen as a supporting gas. The ganerated hydrogen sulfide is absorbed by absorbing sdution of NaOH H 2O 2 and oxidized to sulfate ion.
利用KBH4在酸性条件下分解产生的氢气为载气分离水中硫化物，用NaOH—H2O2溶液吸收H2S，并将其氧化为SO2－4，用离子色谱法测定SO2－4。