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chelating agent

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15:57 Dec 16, 2009
English to Farsi (Persian) translations [PRO]
Tech/Engineering - Chemistry; Chem Sci/Eng
Additional field(s): Engineering: Industrial
English term or phrase: chelating agent
Definition from Alconox, Inc.:
These are negatively charged or oxygen containing molecules that react with positively charged metal ions to form a stable complex. They have multiple locations in the molecule to react with multiple positive charges that may be present on multivalent metal ions that have more than one positive charge on them. An example of a chelating agent is EDTA, ethylene diamine tetraacetic acid. EDTA has four acetic acid groups giving it a potential for four negatively charged acetates to bond with up to four positively charged sites on metal ions with multiple positive charges, such as calcium which has two (2) positive charges associated with it.

Example sentence(s):
  • EDTA is a versatile chelating agent. It can form four or six bonds with a metal ion, and it forms chelates with both transition-metal ions and main-group ions. EDTA is frequently used in soaps and detergents, because it forms a complexes with calcium and magnesium ions. University of Wisconsin
  • HIDS shows superior performance as a chelating agent; high thermal stability, high solubility in concentrated alkaline solutions and low corrosion. NIPPON SHOKUBAI CO.
  • The extraction parameters were the type and concentration of chelating agent and the duration of extraction time. All the extractions that involved chelating agents were carried out at pH 7.0. The heavy metal extraction efficiencies of chelating agents were compared to those of HNO3, CaCl2, and deionized water. ASCE
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Summary of translations provided
5عامل کى ليت ساز
Hossein Abbasi Mohaghegh


  

Translations offered


3 days1 hr   confidence: Answerer confidence 5/5
عامل کى ليت ساز


Definition from شيمي علم پايه:
کي ليت زماني حاصل مي شود که يک يون فلزي با دو گروه دهنده يا بيشتر از يک ليگاند تک کوئور دينانس مي شود تا ناجور حلقه هاي پنج يا شش عضوي تشکيل دهد

Example sentence(s):
  • يگاندي که يک گروه دهنده دارد مانند آمونياک يک دندانه اي خوانده مي شود در حالي که گليسين که دو گروه مفيد براي براي تشکيل پيوند کوالانسي دارد دو دندانه اي است .عوامل کي ليت ساز سه دندانه اي چهار دندانه اي پنج دندانه اي و شش دندانه اي نيز شناخته شده اند . - شيمي علم پايه  
  • رای تشخیص یا اندازه گیری غلظت نیکل یا آهن راههای مختلفی وجود دارد. یکی از این راهها برای تشخیص و اندازه گیری نیکل، استفاده از واکنشگر کی لیت ساز است. یک واکنشگر کی لیت ساز بی نظیر برای نیکل، ماده ای به نام دی متیل گلی اکسیم است که یک ماده ی رسوب دهنده ی آلی با خاصیت بی نظیر است. تنها نیکل II توسط این عامل در محلولهای قلیایی ضعیف رسوب داده می شود. این ماده دارای فرمول مولکولی CH3-C=N-OH)2) است. رسوبی که این کی لیت ساز با نیکل به وجود می آورد به قدری حجیم است که مقادیر اندک نیکل را به راحتی می توان با استفاده از این روش اندازه گیری نمود. - تبيان  
  • روش هاي تيتر سنجي مبتني بر تشکيل کمپلکس که گاهي روش هاي کمپلکس سنجي ناميده مي شوند بيش از يک قرن است که به کار رفته اند و توسعه قابل ملاحظه ي واقعي آنها در استفاده عاي تجزيه اي از دهه 1940 شروع شد و بر کاربرد دسته اي از ترکيبات کوئور دينانسي خاص به نام کي ليت قرار گرفت - شيمي  
Hossein Abbasi Mohaghegh
Iran
Local time: 02:46
Native speaker of: Native in Persian (Farsi)Persian (Farsi), Native in Farsi (Persian)Farsi (Persian)
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