2、

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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3、

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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4、

pigments. basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments.

颜料.碱性铬酸锌钾颜料和四氧铬酸锌颜料

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6、

fading spectrophotometric determination of barium salt with potassium chromate

钡盐的铬酸钾褪色光度测定法

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7、

zinc chromate pigments; basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments

铬酸锌颜料.碱性铬酸锌钾颜料和四羟基铬酸锌颜料

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8、

separation of potassium chromate by salting-out crystallization

盐析结晶法分离铬酸钾

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9、

zinc chromate pigments; basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments; technical corrigendum 1

铬酸锌颜料.碱性铬酸锌钾和四羟基铬酸锌颜料.技术勘误1

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10、

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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11、

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.

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12、

a research on the corrosion resistance of clear chromate coating for potassium chloride zinc plating

氯化钾镀锌蓝白钝化膜耐蚀性的研究

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