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Glossary entry

English term or phrase:

chelating agent

Hindi translation:

कीलेटिंग कारक, कीलेटिंग एजेंट

Dec 16, 2009 15:58
14 yrs ago
English term

chelating agent

GBK English to Hindi Tech/Engineering Chemistry; Chem Sci/Eng
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 sentences:
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)
Proposed translations (Hindi)
5 +2 कीलेटिंग कारक, कीलेटिंग एजेंट
5 कुलीरक, कीलेटी कर्मक
Change log

Dec 16, 2009 15:14: changed "Kudoz queue" from "In queue" to "Public"

Dec 16, 2009 15:58: changed "Stage" from "Preparation" to "Submission"

Dec 19, 2009 16:59: changed "Stage" from "Submission" to "Selection"

Sep 25, 2011 15:54: changed "Stage" from "Selection" to "Completion"

Proposed translations

+2
3 days 1 hr
Selected

कीलेटिंग कारक, कीलेटिंग एजेंट

Definition from Alconox, Inc.:
ये ऋणात्मक आवेशित या ऑक्सीजन धारी कण होते हैं जो धनात्मक आवेशित धात्विक आयनों के साथ अभिक्रिया करके एक स्थिर मिश्रण बनाते हैं.
Example sentences:
HIDS कीलेटिंग कारक के रूप में बेहतर प्रदर्शन करता है; उच्च तापीय स्थायित्व, सांद्र अल्कालाइन घोलों में अधिक घुलनशील और कम संक्षारण. (NIPPON SHOKUBAI CO.)
Peer comment(s):
agree Mohd Tariq : Yes, its ok
445 days
thanks
agree vinod sharma : This is the standard term as defined by Commission for Scientific and Technical Terminology, Govt. of India
644 days
thanks
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4 KudoZ points awarded for this answer.
647 days

कुलीरक, कीलेटी कर्मक

कुलीरक के अलावा इसे कीलेटी कर्मक भी कहते हैं
Definition from Chemistry Glossary by CSTT Govt of India:
धनात्मक आवेशित धात्विक आयनों के साथ अभिक्रिया करके एक स्थिर मिश्रण बनाने वाले ऋणात्मक आवेशित या ऑक्सीजन धारी कण.
Example sentences:
कुलीरक या कीलेटी कर्मक ठोस लवण में से धात्विक आयन को हटाता है और विलयन में इसे बनाए रखता है. (westerhuis-restauratie.nl)
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