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- potassium chromate solution 重铬酸钾溶液
- The potassium chromate method is one regular method to determine COD. 重铬酸钾法是测定化学需氧量的常规方法。
- The results show that the amplitude,period and frequency of oscillation changed with the addition of potassium chromate. 结果发现铬酸钾的加入改变了振荡的振幅、周期和频率,且随着浓度的升高,振荡逐渐减弱,甚至完全抑制振荡。
- The black chromate solution comprises no sil-ver salt, its very stable and can be used for many times. 由于采用了非银盐钝化，钝化液稳定，使用寿命长。
- The influence of potassium chromate on the electrochemical oscillation behavior of copper anode in H_3PO_4 solutions was investigated by using cyclic voltammetry and potentiodynamic scanning. 运用循环伏安法和恒电位法研究铬酸钾及其浓度对铜磷酸溶液的电化学振荡行为的影响。
- Experimental Investigation on Separation of Potassium Chromate from Its Aqueous Solution by Solventing-out Crystallization 溶析结晶法分离铬酸钾
- Separation of potassium chromate by salting-out crystallization 盐析结晶法分离铬酸钾
- Ion selective electrode analysis of fluoride in deluted chromating solution is described. 阐述用氟离子选择电极测定低铬钝化液中的氟的方法。
- Fading Spectrophotometric Determination of Barium Salt with Potassium Chromate 钡盐的铬酸钾褪色光度测定法
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- Keywords Oscillographic titration;Developing agent;Potassium chromate;Metol;p Dihydroxybenzene; 示波极谱法;铬酸钾;滴定;米吐尔;对苯二酚;
- I simply refuse to conceive of such a solution. 这样的解决办法，我是绝对不考虑的。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Keywords potassium chromate;diffusion controll;electrochemical reduction;stainless steel;passivation; 铬酸钾;扩散控制;电化学还原;不锈钢;致钝;
- Diluted chromating solutions for Zn deposit are presented. Regeneration of the effluent by diaphragm electrolysis is suggested. 介绍了镀锌低铬钝化工艺，采用隔膜电解法再生钝化废液。
- Mary is sceptical about the solution. 玛丽对这个解决办法表示怀疑。
- His problem did not really admit of any solution. 他的问题真是没有解决的可能。
- Keywords Oscillography;Potassium chromate;Titration;Amidopyrine;Antipyretic analgesics; 示波极谱;铬酸钾;滴定;氨基比林;解热镇痛药;
- He doped out a solution to the problem. 他想出一个解决该问题的方法。
