A new method for the determination of sulfate ion in sodium or potassium sulfate is proposed. By practice, it proves that this method has the following advantages: high accuracy, good repeatability, simple and rapid operation.

The concentration of nitrate and sulfate ion had no remarkable effect on ozonation alone, but the removal rate of other two processes decreased with the increase of the concentration of nitrate and sulfate ion.

硝酸根和硫酸根离子浓度对单独臭氧氧化降解水中硝基苯无明显影响，另2种氧化工艺对硝基苯的分解效率随着硝酸根和硫酸根离子浓度的增加而降低。

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The sulfate ion was determined by Ion Chromatography. The relative standard deviation is 1 58%. The recovery is from 90 5% to 98 2%.

方法用于各种水样中硫化物的测定，相对标准偏差为1.58%，回收率在90.5%到98.2%之间。

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A capillary electrophoretic method for the determination of the trace sulfate ion in liposome doxorubicin has been developed with potassium nitrate as the background electrolyte.

建立了以硝酸钾作为背景电解质测定阿霉素脂质体药物中微量硫酸根离子的毛细管电泳分析法。

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It means that, controlling anion in soil is sulfate ion and chloride ion, controlling cation is the sodium ion and potassium ion.

从而进一步说明，土壤中起控制作用的阴离子是硫酸根离子和氯离子，阳离子是钠离子和钾离子。

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Almost no calcium sulfate ion adsorption of arsenic on arsenic ions for calcium sulfate in aqueous solution almost no impact on Absorption.

硫酸钙几乎没有吸附砷离子，说明硫酸钙对于砷离子在水溶液中几乎没有吸附影响。

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Therefore, the established models in this paper may be used to analyze the diffusion-reaction law of sulfate ion in concrete under environmental sulfate attack.

可见，本文所建立的模型可用于分析硫酸盐侵蚀下混凝土的扩散反应规律。

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The Development of Preparation of Solid Superacids Loaded with Sulfate Ion or Metal Oxides and Application on Organic Synthesis

硫酸或金属氧化物负载的固体超强酸的制备及其在有机合成中的应用研究进展

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Studies on sulfate ion contamination of Pt-Re reforming catalysts

铂铼重整催化剂硫酸根污染的研究

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Determination of Sulfate Ion in Nonionic Microemulsion Medium by Barium Sulfate Turbidimetry

硫酸钡合成试验非离子型微乳液介质-硫酸钡浊度法测定硫酸根

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Talk about the Method of Measuring Sulfate Ion in Salt used for Metal Sodium

浅谈测试金属钠用盐中SO42-的方法

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This method has been proved to be simple, sensitive and accurate, and also has been applied to determine sulfate ion in liposome doxorubicin sample with satisfactory results.

用该方法对阿霉素脂质体样品中的微量硫酸根离子进行了分析测定，结果令人满意。

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In the initial stage, the sulfate ion concentration increased rapidly in concrete, with diffusion time increasing, the concentration distribution of sulfate in concrete trend to be stable.

在初始阶段，经扩散进入到混凝土内部的硫酸根离子浓度增加较快，随着侵蚀时间的增加，混凝土中的硫酸根离子浓度分布逐渐趋于稳定。

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The fullerol radical canon of C_ ( 70) is observed for the first time by laser photolysis or oxidation of sulfate radical anion SO~-in aqueous solution.

将激光光解与SO~-的氧化对比，确认了到C（70）富勒醇阳离子自由基的吸收峰。

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Preliminary study on processing methyl-orange in the water with sulfate radical anion method

硫酸根自由基处理水中甲基橙的初步研究

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The recovery of sulfate anion varied from 94% to 102%, its RSD was from 1.35% to 1.49%, and detection limit was 1.51 × 10~ (-4).

方法的回收率在94%～102%，RSD为135%～149%，检测限为151×10-4。

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Nitrate of low concentration can interfere with adsorption of uranyl sulfate anion on anion-exchange resins because the anion-exchange resins have a stronger affinity for nitrate in uranium solution.

由于铀溶液中的硝酸根对阴离子交换树脂具有较强的亲合力，相当低的硝酸根就足以干扰硫酸铀酰离子的吸附。

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Dangers of sulfate anion in brine system were pointed out. Main methods of sulfate anion removal in brine production were introduced.

指出了盐水中硫酸根的危害，介绍了盐水生产中脱除硫酸根的主要技术方法。

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Removal technology of sulfate anion in brine system

盐水中硫酸根的脱除技术

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The results showed that the Thiourea and Sodium acetate anhydrous concentration strongly affects the deposition rate and stability of the solution transformed and the following factors are Sodium hypophosphite, Lactic acid, Lead acetate and Nickel ion concentration in solution subsequently.

实验研究的结果显示，硫脲及无水乙酸钠浓度对转化镀液的沉积速度和稳定性都有显著的影响，影响作用次之的是次亚磷酸钠、乳酸、醋酸铅、镍离子的浓度。

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Kinetics of Catalytic Synthesis of Ethyl Acetate By Resin-Loaded Metallic Ion Solid Acid

树脂负载金属离子固体酸催化合成乙酸乙酯动力学研究

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