ASSESSMENT FOR STABILITY OF RARE EARTH COMPLEXES OF EU, LA AND YB WITH THEONYLTRIFLUOROACETONATE (TTA) -TAGGING OF INK IN FORENSIC PURPOSES

P. SHUKLA; A.B.R. TRIPATHI; A.K. BASU; N. CHATTOPHADHYAY; S.K. SHUKLA

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ASSESSMENT FOR STABILITY OF RARE EARTH COMPLEXES OF EU, LA AND YB WITH THEONYLTRIFLUOROACETONATE (TTA) -TAGGING OF INK IN FORENSIC PURPOSES

机译：带有三氟甲磺酸丙酮酸酯（TTA）的EU，LA和YB稀土配合物的稳定性评估-法医中的油墨标记

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Complexes of rare earth elements Europium, Lanthanum and Ytterbium with theonyltrifluoroacetonate (TTA) had been synthesized. These are chelated species and established as suitable taggant for different varieties of inks including those of security nature also. Identification and quantitative analytical determination of the elements in documents written/ printed with tagged inks have bright application prospect in forensic purposes. Metal to composite stoichiometry studies in such species prepared in the laboratory about one year back had been carried out by Neutron Activation Analysis (NAA). Results established conformity with the theoretical values. Supporting IR spectral, TLC and HPTLC studies confirmed that stabilities are not affected on retention in ordinary conditions of temperature and humidity, at least, for a period of about one year after syntheses.

机译：合成了稀土元素Euro，镧和Y与三氟丙酮酸壬酯（TTA）的配合物。这些是螯合的物种，并被确立为适用于不同种类油墨（包括安全性油墨）的合适标记剂。用标记的墨水书写/打印的文档中元素的鉴定和定量分析在法医领域具有广阔的应用前景。通过中子活化分析（NAA）在大约一年前的实验室中对此类物种进行了金属化学合成化学计量学研究。结果证明与理论值相符。支持IR光谱，TLC和HPTLC的研究证实，在合成后至少一年左右的时间内，稳定性在普通温度和湿度条件下的保留率不会受到影响。

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《Science and Culture》 |2007年第12期|350-353|共4页
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P. SHUKLA; A.B.R. TRIPATHI; A.K. BASU; N. CHATTOPHADHYAY; S.K. SHUKLA;
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Neutron Activation Analysis Unit of CFSL, Hyderabad at Analytical Chemistry Division, BhabhaAtomic Research Centre, Mumbai-85;

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1. Aqueous Geochemistry of Rare Earth Elements and Yttrium. XII: Potentiometric Stability Constant Determination of Bis-Tris Complexes with La, Nd, Eu, Gd, Yb, Dy, Er, Lu, and Y [J] . Kirsten N. Nicholson, Scott A. Wood Journal of Solution Chemistry . 2002,第9期

机译：稀土元素和钇的水地球化学。 XII：带有La，Nd，Eu，Gd，Yb，Dy，Er，Lu和Y的Bis-Tris配合物的电位稳定常数测定
2. Aqueous Geochemistry of Rare Earth Elements and Yttrium. XII: Potentiometric Stability Constant Determination of Bis-Tris Complexes with La, Nd, Eu, Gd, Yb, Dy, Er, Lu, and Y [J] . Kirsten N Nicholson, Scott A Wood Journal of Solution Chemistry . 2002,第9期

机译：稀土元素和钇的水地球化学。 XII：带有La，Nd，Eu，Gd，Yb，Dy，Er，Lu和Y的Bis-Tris配合物的电位稳定常数测定
3. A study of intramolecular energy relaxation processes of rare earth complexes [Ln(TTA)_3 centre dot 2H_2O, Ln=Nd, Eu, Gd] [J] . Ronghu Wu, Qinged Su Journal of Molecular Structure . 2001,第1a3期

机译：稀土配合物[Ln（TTA）_3中心点2H_2O，Ln = Nd，Eu，Gd]的分子内能弛豫过程的研究
4. Study on Fluorescence Intensity Determination of Rare Earth Europium Complexes UV-Photochromic Inks [C] . Juan Lan, Cheng Sun, Xiaoxiu Hao, Proceedings of the 17th IAPRI World Conference on Packaging. . 2010

机译：稀土Euro配合物紫外光致变色油墨荧光强度测定的研究
5. GAS CHROMATOGRAPHY OF SOME METAL CHELATES OF BENZOYLTRIFLUOROACETONE AND THENOYLTRIFLUOROACETONE AND OF THE COMPLEXES OF THE RARE-EARTHS WITH THE MIXED LIGANDS HEXAFLUOROACETYLACETONE AND TRI-N-BUTYLPHOSPHATE. [D] . BUTTS, WILLIAM CUNNINGHAM. 1968

机译：苯甲酰三氟丙酮和壬基三氟丙酮的一些金属螯合物以及稀土与六氟乙酰丙酮和三正丁基丙酮混合的配合物的气相色谱分析。
6. Synthesis Spectroscopic Properties and Redox Behavior Kinetics of Rare-Earth Bistetrakis-4-3-(34-dicyanophenoxy)phenoxyphthalocyaninato Metal Complexes with Er Lu and Yb [O] . Dmitry A. Erzunov, Anna A. Botnar, Natalia P. Domareva, 2021

机译：稀土化合物的合成光谱性质和氧化还原行为动力学与ERLU和YB的邻苯二甲酸苯氧基金属配合物的稀土化合物Bistetrakis-4- 3-（34-二氰基氧基）苯氧基酞菁金属配合物
7. Thermodynamic Properties of Rare Earth Complexes. I. Stability Constants for the Rare Earth Diglycolate Complexes. [O] . Ingmar Grenthe, Inga Tobiasson, Olof Theander, 1963

机译：稀土配合物的热力学性质。 I.稀土二晶配合物的稳定常数。
8. Superconductivity and Phase Stability in the Heavy Rare Earth Quaternary Compounds RBa sub 2 Cu sub 3 O sub 7 (R = Ho, Er, Tm, Yb, Lu) [R] . Ku, H. C. , Yang, H. D. , McCallum, R. W. , 1987

机译：重稀土季铵化合物RBa sub 2 Cu sub 3 O sub 7（R = Ho，Er，Tm，Yb，Lu）的超导电性和相稳定性

ASSESSMENT FOR STABILITY OF RARE EARTH COMPLEXES OF EU, LA AND YB WITH THEONYLTRIFLUOROACETONATE (TTA) -TAGGING OF INK IN FORENSIC PURPOSES

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