Determination of Iodine in Edible Salt Added Potassium Iodate by Ultraviolet Spectrophotometry determination of chromate, iodide, sulfite, thiocyanate and thiosulfate 加碘酸钾食盐中碘含量的紫外分光光度法测定铬酸盐、碘化物、亚硫酸盐、硫氰酸盐和硫代硫酸酯的测定
Research on the Phase Equilibria and Separation Operation of Potassium Chromate and Potassium Chloride in the Cleaner Production of Chromate 铬盐清洁工艺中铬酸钾&氯化钾的多元相平衡与相分离研究
Results The new method is appropriate for the solution with lower concentration of Cl-, compared with the fluorescein and potassium chromate indicator method. Its accuracy and precision are better than two thousandths under suitable conditions. 结果该滴定方法较荧光黄和铬酸钾指示剂法适用于更低浓度的Cl-含量检测,在适当的条件下该方法的精密度和准确度均可小于千分之二。
The excess tin chloride addition produces black mercury precipitation and is about to seriously affect the determination of iron by using potassium chromate volumetric analysis method. 重铬酸钾容量法测铁中,二氯化锡超量产生黑色汞沉淀,严重影响测定。
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。
Which is more favorable for coloring of potassium chromate and improving testing precision in using water dissolving sample to test chloride ions, the concentration of sulfuric acid needs to dilute in view of practical situation. 而对水溶性氯离子含量的测定,稀硫酸的含量视实际情况进一步稀释,更有利于铬酸钾的显色范围,提高测试精度。
Conclusion Adriamycin, potassium chromate and hydrogen peroxide are violent DNA breaking agent. 结论阿霉素、重铬酸钾和过氧化氢均是强烈的DNA链断裂剂;
Electrochemical reduction behavior of potassium chromate on surface of stainless steel in sulfuric acid solutions 硫酸溶液中铬酸钾在不锈钢表面的电化学还原行为
The influence of determinating chloride ions in concrete with electrometric titration method was investigated and the effect was controsted between electrometric titration method and potassium chromate method. 用电位滴定法测定混凝土中氯离子含量,研究了其影响因素,并将电位滴定法与铬酸钾法进行了比较。
Effect of potassium chromate on electrochemical oscillation behavior of copper anodic dissolution in H_3PO_4 solutions 铬酸钾对磷酸电解质中铜电化学振荡行为影响的研究
The excess of potassium chromate in the solution was titrated by standard AgNO_3 solution. 溶液中过剩的铬酸钾被标准AgNO3溶液滴定。