焦磷酸钾

镀锌液以硫酸锌为主盐，焦磷酸钾为配合剂，柠檬酸铵作辅助配合剂兼导电盐，电流密度2~3A。

In the electroplating zinc solution , zinc sulfate is used as the main salt , potassium pyrophosphate as the complexing agent , and ammonium citrate as auxiliary complexing agent and conducting salt .

镀铜液中焦磷酸铜和焦磷酸钾的快速分析

Rapid Determination of Cupric Pyrophosphate and Potassium Pyrophosphate in Copper Plating Solution

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。

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 .

分光光度法测定锡钴合金镀液中焦磷酸钾的含量

Determination of potassium pyrophosphate in tin - cobalt electrolyte by means of spectrophotometry

漂白粉处理焦磷酸钾镀铜废水

Treatment of potassium pyrophosphate Cu-plating effluent with bleaching powder

比较了氢氟酸活化工艺和焦磷酸钾活化工艺，氢氟酸活化后得到的镀层性能较好。

Compared pyrophosphate potassium process , the better qualitive coating was obtained through hydrofluoric acid activation .

镀液单位体积的重量是焦磷酸钾和焦磷酸铜含量的函数。

The weight of copper plating solution in a unit volume was function of contents of cupric pyrophosphate and potassium pyrophosphate .

测定铜时用六偏磷酸钠和焦磷酸钾联合掩蔽；测锌时用柠檬酸钠、六偏磷酸钠和铜试剂联合掩蔽。

Combined masking agents of sodium hexametaphosphate and potassium pyrophosphate were used in the determination of copper , whereas sodium citrate , sodium hexa_metaphosphate and copper reagent were used in the determination of zinc .

利用分光光度法测定锡钴合金镀液中钴（Ⅱ）和锡（Ⅱ）的含量，探讨了测量波长和氧化剂的选择、焦磷酸钾的加入量、干扰元素等对测量结果的影响。

This article describes the determination of cobalt and stannous ions in black tin cobalt alloy electroplating baths by means of spectrophotometry . The effect of measuring wave length , oxidant , addition of potassium pyrophosphate , interfering elements and other affecting factors on the measured absorbance were investigated .