Elimination of Mercuric Sulphate in Chemical Oxygen Demand Determination

Sebasthiar Esakku; Raghav Rohatgi; Natesan Balasubramanian

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Elimination of Mercuric Sulphate in Chemical Oxygen Demand Determination

机译：测定化学需氧量时消除硫酸汞

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A method for the determination of chemical oxygen demand in wastewater eliminating the use of toxic mercuric sulphate to overcome the interference of chloride is proposed with the in situ formation of antimony (V) sulphate.This method overcomes the chloride interference upto 2800 mg 1~(-1) with an error of ± 5.0% when potassium hydrogen phthalate was used as standard (COD,1000 mg 1~(-1)).This modification was adopted for the determination of COD in real wastewater samples and the results compare well with the standard method using mercuric sulphate as a chloride masking agent.

机译：提出了一种原位生成硫酸锑（V）的测定废水中化学需氧量的方法，该方法无需使用有毒的硫酸汞来克服氯离子的干扰，该方法可以克服高达2800 mg 1〜（ -1）以邻苯二甲酸氢钾为标准品（COD，1000 mg 1〜（-1））时的误差为±5.0％，该方法用于实际废水样品中COD的测定，结果与使用硫酸汞作为氯化物掩蔽剂的标准方法。

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《Indian Chemical Engineer Sections A & B》 |2004年第2期|共4页
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Sebasthiar Esakku; Raghav Rohatgi; Natesan Balasubramanian;
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中图分类化学工业;
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1. Elimination of Mercuric Sulphate in Chemical Oxygen Demand Determination [J] . Sebasthiar Esakku, Raghav Rohatgi, Natesan Balasubramanian Indian Chemical Engineer Sections A & B . 2004,第2期

机译：测定化学需氧量时消除硫酸汞
2. Integrated Determination of Chemical Oxygen Demand and Biochemical Oxygen Demand [J] . Qi Mengmeng, Han Yanhe, Zhao Zikun, Polish Journal of Environmental Studies. . 2021,第2Pta2期

机译：综合测定化学需氧量和生物化学需氧量
3. Evaluation of chemical oxygen demand (COD) based on coulometric determination of electrochemical oxygen demand (EOD) using a surface oxidized copper electrode [J] . Lee KH., McNiven SJ., Nomura Y., Analytica chimica acta . 1999,第2a3期

机译：使用表面氧化铜电极基于电量法确定电化学需氧量（EOD）来评估化学需氧量（COD）
4. Chemical Oxygen Demand- Acid Waste Disposal and Recovery of Mercuric Sulphate to minimise the test impact on our environment [C] . Murendeni Stewart Mafumo Test and Measurement Conference . 2013

机译：化学氧气需求废物处理和苏尔科硫酸盐的回收，以最大限度地减少对环境的影响
5. Development of high-throughput biosensors for multi-sample determination of biochemical oxygen demand (BOD) based on optical detection of oxygen. [D] . Kwok, Nga Yan. 2005

机译：开发高通量生物传感器，用于基于光学检测氧气的多样品测定生化需氧量（BOD）。
6. A Nafion Film Cover to Enhance the Analytical Performance of the CuO/Cu Electrochemical Sensor for Determination of Chemical Oxygen Demand [O] . Tanya Carchi, Byron Lapo, José Alvarado, 2019

机译：Nafion薄膜盖增强了用于确定化学需氧量的CuO / Cu电化学传感器的分析性能
7. Simultaneous Determination of Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD5) in Wastewater by Near-Infrared Spectrometry [O] . Qiong YANG, Zhenyao LIU, Jidong YANG 2009

机译：近红外光谱法同时测定废水中的化学需氧量（COD）和生物需氧量（BOD5）

Elimination of Mercuric Sulphate in Chemical Oxygen Demand Determination

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