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Home / Science & Nature / Science / Chemistry / Inorganic Chemistry /之间的区别Iodine and Potassium Iodide

之间的区别Iodine and Potassium Iodide

2011年3月19日发表马杜

这关键区别between iodine and potassium iodide is thatiodine is a chemical element whereas potassium iodide is a chemical compound.

碘是halogenthat locates in group 17 of元素周期表。On the other hand, potassium iodide is a chemical compound that forms from the combination of iodine and potassium. As a result, potassium iodide is very useful in many industries as a source of iodine.

CONTENTS

1。概述和关键差异
2。什么是碘
3。What is Potassium Iodide
4。并排比较 - 表格形式的碘与碘化钾
5。Summary

什么是碘?

碘是具有原子数53和化学符号的化学元件。它是其他卤素中最重的卤素。卤素是元素周期表中的17组化学元素。此外,碘作为一种有光泽的金属灰色在室温下存在。但是,它很容易发生sublimationto form the violet gas of iodine. Moreover, among the oxidation states that iodine can exist, the -1 oxidation is the most common among them, which results in the iodide anion. It is because, the iodine has an incomplete八位字在其电子构型中,它需要电子才能完成八位位组。然后,当它从外部获得电子时,它会形成-1氧化态。

Some important facts about iodine are as follows:

  • 原子数 - 53
  • Standard atomic weight – 126.9
  • Appearance – lustrous, metallic-grey solid
  • 电子配置 - [KR] 4D105s25p5
  • 小组 - 17
  • Period – 5
  • Chemical category – nonmetal
  • Melting point is 113.7 °C
  • 沸点为184.3°C
之间的区别Iodine and Potassium Iodide

Figure 01: A sample of Solid Iodine

Moreover, iodine is a strong oxidizer. Mainly, it is due to its incomplete octet of electron configuration in which it lacks one electron to fill up the outermost p orbital. Thus, it seeks for an electron by oxidizing other chemical species. However, it is the weakest oxidizing agent among other halogens due to its large atomic size.

什么是碘化钾?

碘化钾是一种无机化合物,看起来像白色固体,并在商业上大量生产。它是最重要的碘化物化合物,因为它比任何其他碘化物化合物的吸湿性较小。该化合物的化学配方是Ki。

有关该化合物的一些重要化学事实如下:

  • Chemical formula – KI
  • 摩尔质量 - 166 g/mol。
  • 熔点为681°C。
  • Boiling point is 1,330 °C.
  • 它具有氯化钠的晶体结构。
  • 温和的还原剂。
  • Production is industrially by treating KOH with iodine.
Key Difference Between Iodine and Potassium Iodide

图02:碘化钾样品

KI最重要的应用是在m of SSKI (saturated solution of potassium iodide also) tablets. These tablets are taken in the emergency treatment of several ailments. Also, SSKI is useful for the treatment in the cases of exposure to nuclear accidents. Furthermore, KI is a supplement for iodine deficiency when added to table salt. Moreover, we can use it in the photography industry and in the field of biomedical research.

碘和碘化钾有什么区别?

碘是一种化学元件,具有原子数为53和化学符号I,而碘化钾是一种无机化合物,看起来为白色固体,并大量商业生产。因此,碘和碘化钾之间的关键区别在于碘是化学元素,而碘化钾是化合物。简而言之,碘与钾(例如KOH)结合起来产生碘化钾化合物。作为碘和碘化钾之间的另一个重要区别,我们可以说碘具有有光泽的金属灰色外观,而碘化钾则作为白色固体化合物。

Furthermore, there is a difference between iodine and potassium iodide in their usage as well. Also, there are few other differences in their chemical properties too. The below infographic summarizes the difference between iodine and potassium iodide in tabular form.

碘和碘化钾以表格形式的差异

Summary – Iodine vs Potassium Iodide

碘为卤素不能在标准温度和压力下作为元素保留,但与其他元素结合起来,可以轻松形成化合物。因此,形成化合物的正是这种属性使其成为非常重要的元素。因此,碘和碘化钾之间的关键区别在于碘是化学元素,而碘化钾是化合物。碘与钾相结合,形成碘化钾,这是一种非常重要的化合物,在各种行业都有商业有用。但是,碘同位素对人类是危险的,但是当这种碘以Ki的形式服用时,它对人类变得有用。此外,碘缺乏会导致智力低下和巨人,这种缺乏症可以通过Ki的形式来实现碘。

参考:

1.“碘。”Wikipedia,Wikimedia基金会,2018年10月20日。在这里可用
2。“Potassium Iodide.” Wikipedia, Wikimedia Foundation, 26 Sept. 2018.在这里可用

图片提供:

1。”Sample of iodine”By LHcheM – Own work,(CC BY-SA 3.0)通过下议院维基梅迪亚
2.“碘化钾”(公共领域)通过下议院维基梅迪亚

Related posts:

化合物和混合物之间的差异化合物和混合物之间的差异 Key Difference Between Iron and Aluminum之间的区别Iron and Aluminum 碘和碘化物之间的区别碘和碘化物之间的区别

提交以下:Inorganic Chemistry

关于作者:马杜

月球是一个研究生在生物科学与BSc (Honours) Degree and currently persuing a Masters Degree in Industrial and Environmental Chemistry. With a mind rooted firmly to basic principals of chemistry and passion for ever evolving field of industrial chemistry, she is keenly interested to be a true companion for those who seek knowledge in the subject of chemistry.

Comments

  1. Annettesays

    2019年12月7日下午6:45

    为什么在食物中发现碘会被人体吸收和利用,认为海藻和日本饮食要大于典型的美国饮食。碘可以通过饮食扭转碘缺陷同样有益吗?从关于文章的文章中,我认为碘化钾是扭转缺乏症的唯一/最佳方法。还是比我更需要少量的Ki且吸收更好?

    回复
    • pahoosays

      2020年8月20日下午4:47

      这term “iodine” actually describes a single atom of iodide bound to either another atom of iodide or to another compound. “Nascent iodine” was once used as simply another name for sodium iodide (an iodide atom bound to sodium). The term was then used by the American mysticist, Edgar Cayce, to describe a free form of iodine (i.e., a single atom of iodide unbound to any other atom) – apparently created by adding electromagnetic or another form of energy. However, when this free form of iodide is exposed to a positively charged ion, such as sodium or potassium, as it would be in a liquid supplement, it will bind with these to form sodium iodide or potassium iodide. Therefore, if you are buying a supplement promoted as “nascent iodine”, it is most likely sodium iodide or potassium iodide. There do not appear to be any published, placebo-controlled studies on “nascent iodine” for thyroid support or any other use.

      回复
      • Expose Them511says

        2020年9月28日晚上8:46

        Why would the medical industrial complex do this study when they can’t dominate the treatment and make merchandise of us? They don’t want you to heal; they want to “treat” you with one of their designer diseases that are the results of their bad medical and dietary advice or that come out of a syringe or pill bottle till you drop dead. They are in the business of self-aggrandizement and death, not altruism and health.

        回复
  2. pahoosays

    August 20, 2020 at 4:26 pm

    First, since the Fukushima disaster I would strongly suggest staying away from seaweed sources of any kind unless you can confirm the source as being Atlantic Ocean.
    其次,只要它的生长发生在碘丰富的土壤中,如今缺乏食物来源。
    Lastly, nascent Iodine, followed by potassium iodide, are the best ‘artificial’ sources, as supplements. I have to investigate the statement in the article which apparently suggests that it may be necessary to take the potassium iodide (KI) with table salt (NaCl) for maximum absorption.

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