chromic acid

The influence of impurity of Cu2+, Zn2+, Ni2+and Fe2+ (content of 50 mg/kg) on deposit’s appearance, thickness and bath’s polarization was discussed in process of trivalent chromium sulfate plating.研究了硫酸盐三价铬镀铬工艺中铜、锌、铁、镍离子(含量均为50mg/kg)对镀层外观和厚度、镀液极化的影响,比较了不同除杂方法的除杂效果。psq汉语字典

Study on Trivalent Chromium Electroplating Process in Chloride System;氯化物体系三价铬电镀工艺研究psq汉语字典

Corrosion resistance comparison of trivalent chromium passivation film on zinc based on different zinc plating processes;不同镀锌层的三价铬钝化膜耐蚀性能比较psq汉语字典

The effects of the components of trivalent chrome passivation bath on the appearance and corrosion resistance of the passivating film are investigated.研究了三价铬黑色钝化液组分对钝化层外观和耐蚀性的影响。psq汉语字典

The bath compositions of trivalent chrome black passivation for zinc plating coating were optimized by orthogonal test method and the effects of operation conditions on the appearance and the corrosion resistance of the passivation film were investigated.采用正交试验法对镀锌层三价铬黑色钝化工艺组分进行优化,研究了工艺参数对钝化膜外观和耐蚀性的影响。psq汉语字典

The bath compositions of trivalent chrome black passivation for zinc-iron alloy coating were optimized by orthogonal test method.采用正交试验法对锌-铁合金镀层三价铬黑色钝化工艺进行优化,并研究了工艺参数对钝化膜外观和耐蚀性等影响。psq汉语字典

Cr(Ⅲ) passivation possesses as good performance as Cr(Ⅵ) passivation, but .三价铬钝化在许多方面具有与六价铬钝化相似的性质,而(dú)性却只有六价铬的1%,是六价铬钝化最有可能被接受的替代品,得到了研究者的广泛关注。psq汉语字典

Different kind of Cr-free passivation,the characters and mechanism of Cr(Ⅲ)passivation was briefly introduced.简述了镀锌板无铬钝化的各种类型以及三价铬钝化的特点与机理。psq汉语字典

Study On Trivalent Chromium Plating Process and Properties of Chromium Layer;环保型三价铬镀铬工艺及铬层性质初探psq汉语字典

The major advantages and disadvantages of trivalent chromium electroplating were introduced.介绍了三价铬镀铬的主要优点与缺点。psq汉语字典

A Research on the Process and Coating Performance of Sulfate System Cr~(3+) Chromium Plating硫酸盐体系三价铬镀铬工艺及镀层性能的研究psq汉语字典

Effect of Rare Earth Element on Sulfate Trivalent Chromium Plating Process稀土元素对硫酸盐三价铬镀铬工艺的影响psq汉语字典

Effect of Fe~(2+) on Chromium Electroplating in Sulfate Trivalent Chromum Plating BathFe~(2+)对硫酸盐三价铬镀液镀铬的影响psq汉语字典

Effect of Cr~(3+) on Performance of Cr Plating Solution & Cr Plating Layer Quality;三价铬对镀铬液性能及镀铬层质量的影响psq汉语字典

A Study on Reducing Reaction of Creating Trivalent Cr for Cr Electroplating from Hexavalent Cr以六价铬还原作铬源的三价铬电镀工艺的研究psq汉语字典

Analysis and control of the behavior of tervalence chromium in the chromium electro - deposition process;电镀铬生产中三价铬行为分析及控制psq汉语字典

Direct Determination of Hexavalent Chromium in Trivalent Chromium Plating Bath电镀三价铬镀液中Cr~(6+)的直接测定psq汉语字典

Study of complexing agent in low concentration of trivalent chromium sulfate system低浓度硫酸铬体系三价铬电镀配位剂的研究psq汉语字典

Effect of auxiliary coordination agent in the deposition of chromium from chromic sulfate electrolyte三价铬硫酸盐溶液镀硬铬的辅助配位剂研究psq汉语字典

Study on Amorphous Iron-chromium Alloy Electrodepositing From Trivalent Chromium Bath;从三价铬镀液中电沉积非晶态铁铬合金镀层的研究psq汉语字典

Cr~(+8) Electroplating Process With formate and Acetate System甲酸盐——乙酸盐体系三价铬电镀工艺psq汉语字典

Study of Trivalent Chromium Bright Blue Passivation Process for Zinc Coating镀锌层三价铬蓝白色钝化工艺的研究psq汉语字典

Accumulation and elimination of hexavalent chromium ions in sulfate trivalent chromium electroplating bat硫酸盐体系三价铬镀液中六价铬离子的积累及去除psq汉语字典

Elimination of Cr(Ⅵ) in Trivalent Chromium Chloride Electroplating Bath氯化物三价铬电镀液中六价铬离子的去除方法及效果psq汉语字典

The Technological of environment-friendly and high-performance decorative Sulfate Trivalent Chrome Plating with low Concentration环保型-低浓度高性能硫酸盐三价铬电镀装饰铬工艺研究psq汉语字典

chrome plating apparatus花筒镀铬设备,镀铬设备psq汉语字典