On the Photometric Determination of Nickel with Dimethylglyoxime Using Potassium Sodium Tartrate and EDTA as Masking Agent 酒石酸钾钠&乙二胺四乙酸二钠作掩蔽剂丁二酮肟测镍的方法研究
Potassium sodium tartrate; Rochelle salt; 酒石酸钾钠;
Increase of contents of potassium sodium tartrate, additive A and promoter M would improve soln. 酒石酸钾钠、添加剂A、促进剂M含量的增加均会提高镀液稳定性而降低镀速;
The effects of potassium sodium tartrate and ammonium fluoride on the reaction of O-nitro-phenylfluorone with titanium have been studied. 研究了用邻硝基苯基荧光酮显色测酞时,酒石酸钾钠和氟化铵的影响。
Optimization of Crystallization Process of Potassium Sodium Tartrate 酒石酸钾钠结晶工艺的优化
The results showed that the retarding effect of the retarders is citric acid> sodium citrate> tartaric acid> potassium sodium tartrate> sugar> phosphate. 缓凝剂对β半水膏的缓凝效果:柠檬酸>柠檬酸钠>酒石酸>酒石酸钾钠>蔗糖>磷酸盐。
Thus, the potassium sodium tartrate solution's period of validity and store method were put forward in order to more improve the measurement precision of ammonia. 就此提出了酒石酸钾钠溶液的有效期和保存方法,以进一步提高氨氮测定的准确度。
Technology of non-cyanide Cu-Zn-Sn-Ni tetrabasic alloy imitative gold electroplating on FRP was studied using potassium pyrophosphate as main complexing agent, potassium sodium tartrate as auxiliary complexing agent and laboratory-synthesized copper pyrophosphate and zinc pyrophosphate as main salts. 以焦磷酸钾为主络合剂、酒石酸钾钠为辅助络合剂,自制焦磷酸铜、焦磷酸锌为主盐进行了玻璃钢无氰Cu-Zn-Sn-Ni四元合金电镀工艺研究。
Studies on plating zinc in dpe ⅲ+ potassium sodium tartrate solutions of zincate 关于DPEⅢ酒石酸钾钠锌酸盐镀锌的研究
Cobalt was deposited on spherical nickel hydroxide by electroless plating, using hydrazine or sodium hypophosphite as reductive agent and ammonia or potassium sodium tartrate as complexing agent, respectively. 采用水合联氨或次亚磷酸氢钠作还原剂,分别在酒石酸钾钠和氨的配合体系中镀覆球形氢氧化镍,对一定金属钴镀覆量下的产物进行了XRD和SEM分析与观测。
Electroless copper plating system of potassium sodium tartrate and EDTA · 2Na 酒石酸钾钠和EDTA·2Na盐化学镀铜体系
After the track examinations in the store time and the conditions of the potassium sodium tartrate solution, the paper indicated that the intercepts of the ammonia standard curves will be bigger if the store time of the reagent is longer. 通过对酒石酸钾钠溶液存放时间和保存条件的跟踪试验,发现该试剂的存放时间越长,绘制的氨氮标准曲线的截距就越大;
In addition, interference of some common cations and anions were also studied. The paper used potassium sodium tartrate as masking agent to conceal the interference of Al3+ and Cd2+. 另外,还研究了常见的一些阳离子和阴离子对铜测定的干扰情况,用酒石酸钾钠溶液进行掩蔽,有效地掩蔽了A13+、Cd2+对测定的干扰。
The results are summarized as follows: 1. The effect of four kinds of promoters ( potassium carbonate, EDTA, potassium sodium tartrate tetrahydrate, succinic acid) were investigated, further discussion about the activate species and the principles of selecting promoters were carried on. 结果如下:1.研究了四种助剂(碳酸钾,EDTA,酒石酸钾钠,丁二酸)对甲醇气相氧化羰基化催化剂性能的影响,并对催化剂活性物种的类型和助剂选择方法进行了探讨。