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Meanwhile, we also provide you trisodium phosphate, alkali protease, Sodium carbonate, sodium sulphide and Sodium bicarbonate, etc. 本公司同时经营磷酸三钠、碱性蛋白酶、硫化碱、纯碱、小苏打等化工产品。
A new method was introduced in this paper: the practability of adopting sodium sulphide instead of hydrogen sulphide for colorific agent has been studied and determinated the optium test condition. 研究了采用硫化钠溶液取代硫化氢作为显色剂的可行性，并确定了最佳的测定条件。
By adding sodium sulphide to depress quartz in the cleaning,high grade fluorite concentrate can be gained,whose content of silicon is under 1.0%,grade is over 97% and recovery is higher than 87%. 同时采用精选补加硫化钠抑制石英;得到了含硅量低于1.;0%25;品位高于97%25;总回收率高于87%25的高品级萤石。
A new method was introduced in this paper:the practability of adopting sodium sulphide instead of hydrogen sulphide for colorific agent has been studied and determinated the optium test condition. 研究了采用硫化钠溶液取代硫化氢作为显色剂的可行性,并确定了最佳的测定条件。
In accordance with the market demand of sodium sulphide at home and abroad in recent years,a new product, the high purity white sodium sulphide crystal with concentration of 45% Na_2S was prepared. 针对近几年国内外硫化碱市场需求,研制出了一种硫化钠质量分数为45%25左右的白色高纯结晶硫化钠新产品。
Synthesis of Lead Sulphide with Sodium Sulphide and Lead Acetate 用硫化钠与乙酸铅制备硫化铅
Study and improvement of the production process of sodium sulphide 硫化钠生产工艺的研究与改进
Study on the technology of white sodium sulphide crystal 白色结晶硫化钠的工艺实验条件摸索
The Application Research of Sodium Sulphide In Raranda Slag Flotation of Daye 硫化钠在大冶诺兰达炉渣选矿中的应用
Keywords ion of copper and lead;marmatite;sodium sulphide;depressing agent; 铜、铅离子;铁闪锌矿;硫化钠;抑制剂;
Sodium and water react (together). 钠和水能起反应。
Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
Keywords mineral processing wastewater;chromium;polyferric sulfate;copperas;sodium sulphide; 选矿废水;铬;聚合硫酸铁;硫酸亚铁;硫化钠;
Keywords Waste alkaline liquid;Comprehensive utilization;Sodium sulphide;Crystallizing; 废碱液;综合利用;硫化钠;结晶;
produces and sells Chromic Acid,Chromium Oxide Green,Basic Chromium Sulphate,Sodium Sulphide etc. 主营业务：生产、销售铬盐系列产品：铬酸肝、铬绿、铬粉、重铬酸钠、硫化钠等。
The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
Determination of Trace Au in Macerating Sb Solution with Sodium Sulphide by AAS after Extration by Dithizone-n-Butyl Acetate 双硫腙-乙酸丁酯萃取原子吸收分光光度法测定硫化钠浸锑液中微量金
Hydrogen sulphide: Rotten egg gas. 硫化氢（味）：臭鸡蛋味。
Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。