1、

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。

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2、

The morphology and composition of chromate film were studied by means of SEM, EDS, XRD, and the reaction mechanism in formation of passivating film was also discussed.

利用SEM,EDS,XRD等手段研究了所得钝化膜的表面结晶形态、成分和组成,同时讨论了钝化成膜的反应机理。

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3、

The Chromate oxidized film process on the surface of aluminum protective film is studied. The optimal process is selected by orthogonal experiment.

研究了铝基防护层表面铬盐氧化处理工艺,采用正交试验方法优化了氧化溶液的配方,并确定了工艺条件,考察和比较了配方的性能指标。

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4、

A new method for investigations of characteristics of slightly soluble tungstate, molybdate and chromate

用新方法研究钨、钼、铬酸盐难溶物性质

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5、

Tpis paper reports complex secondary rings formed by silver chromate in gelatin gels.

本文报道铬酸银在明胶凝胶中形成复杂的次环现象。

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6、

Chromate Passivation of Sn-Zn Alloy Deposit and Corrosion Resistance of the Film

锡锌合金镀层铬酸盐钝化及耐蚀性研究

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7、

ammonium molybdate, ammonium dichromate, ammonium chromate and ammonium tungstate showed positive effects on the formation of aldehydes and reduced the loss of rhodium in the distillation process for the separation of the catalyst and products.

结果表明,钼酸铵、重铬酸铵、铬酸铵或钨酸铵的添加对提高产物醛的收率有促进作用,并且在蒸馏分离催化剂和产物的过程中可以减少Rh的损失。

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8、

Theory and practice are shown that the passivated film is a kind of gelatiniform combination film containing chromate and phosphate because it was formed by chromatising and phosphatizing reaction.

实践和理论表明,所形成的钝化膜实际上是铬酸钝化反应和磷化反应的有机结合,它是一种凝胶的铬酸盐和磷酸盐复合型钝化膜。

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9、

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。

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10、

At present, the hurtless treatment for chrome slag is undergoing in many chromate plants in China.

目前,许多铬盐厂正在进行铬渣无害化处理,速度快的已基本完成。

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12、

It has shown that the antirust properties of calcium phosphite coatings are similar to the red lead antirusting coatings and superior to the zinc chromate or zinc phosphate antirusting coatings.

试验结果表明,亚磷酸钙涂料的防锈性能与红丹防锈涂料相当,优于锌铬黄、磷酸锌防锈涂料。

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13、

The electro-plating has adopted Cr3+ environmental protection chromate passivating treatment.

电镀已采用三价铬(Cr3+)环保型铬酸盐钝化处理。

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14、

With the quick development of industry, chromate and its compounds extensively apply in tannery, metallurgy industry, print and textile manufacturing industry and so on.

随着工业的迅速发展,重金属铬及其化合物广泛应用于制革、冶金、印染、纺织等行业。

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15、

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。

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16、

high gradient magnetic separation of chromium-containing residue from the chromate leach liquor ii. experiments

高梯度磁分离铬盐浸出浆液中的铬渣实验研究

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17、

chromate removal from ground water by reduction with ferrous sulfide

硫酸亚铁还原法除地下水中六价铬

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18、

zinc plated steel clear chromate with plastisol grip

镀锌钢,带塑料溶胶的纯铬酸盐把手

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19、

dissolution kinetics of calcium chromate and its solubilities measurement

铬酸钙溶解动力学研究及溶解度测定

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20、

Chromate is widely applied in steel, textile, leather and other manufacturing industries.

铬的化合物在钢铁制造业、纺织业、皮革制造业及其他行业有着广泛的应用。

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