Quantitative evaluation of europium in blue ballpoint pen inks/offset printing inks tagged with europium thenoyltrifluoroacetonate by spectrofluorometry and ICP-AES

Maind, S.D.; Chattopadhyay, N.; Gandhi, Ch.; Kumar, Sumit; Sudersanan, M.

doi:10.1016/j.scijus.2007.09.007

Cited by 15 publications

(7 citation statements)

References 21 publications

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“…Although these methods have proved to improve the informative value of inks, they a) are focused to historical and artistic prints rather than forensic analysis of contemporary documents, b) still lack good precision, c) have poor sensitivity and quantitative capabilities, and/or d) are destructive to the sample [10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Micro-spectrochemical analysis of document paper and gel inks by laser ablation inductively coupled plasma mass spectrometry and laser induced breakdown spectroscopy

Trejos

Flores²,

Almirall

2010

Spectrochimica Acta Part B: Atomic Spectroscopy

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Section: Introductionmentioning

confidence: 99%

Micro-spectrochemical analysis of document paper and gel inks by laser ablation inductively coupled plasma mass spectrometry and laser induced breakdown spectroscopy

Trejos

Flores²,

Almirall

2010

Spectrochimica Acta Part B: Atomic Spectroscopy

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“…The result obtained from these techniques is more reliable and objective. Some spectroscopic techniques like inductively coupled plasma mass spectrometry (ICP-MS) or inductively coupled plasma atomic emission spectroscopy (ICP-AES) are destructive in nature [11]. Also, these spectro- HPTLC reported high discrimination potential to dif- nm, 415 nm, and 366 nm (in the ultraviolet region).…”

Section: Differentiation Of Red and Black Ballpoint Pen Inks Using Himentioning

confidence: 99%

Differentiation of Red and Black Ballpoint Pen Inks using High Performance Thin Layer Chromatography and Gas Chromatography-Mass Spectrometry

Saini

Rathore

2018

AJFSFM

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Original Article 830 ferentiate blue, black and red ballpoint pen inks manufactured in Malaysia and Romania [12][13][14][15]. GC-MS is another efficient tool that discriminates inks on the basis of their non-coloured components such as their solvents and additives. It was employed to differentiate two red pilot ballpoint pen inks manufactured in 1998 and 1999 [16]. The combined use of TLC and GC-MS has solved two actual cases of alteration. Several research works have reported the characterization of blue ballpoint pen inks manufactured in different parts of the world [17-20]. However, very limited research has been conducted to differentiate the ballpoint pen inks of other colours, such as red and black.Thus, the present study was aimed at analysing red and black ballpoint pen inks of Indian origin using HPTLC and GC-MS techniques. This study also verifies the validity of the used techniques in terms of repeatability and reproducibility. Materials and MethodsA total of 78 ballpoint pens including 40 red and 38 black pen inks were acquired from local stationary shops in India (Table-1). The collected pens were each marked with a unique sample identification code. Each pen was used to write the phrase "FORENSIC SCIENCE" multiple times on A4 sheets. Each prepared sheet was placed in separate envelopes and stored in closed cabinets at normal room temperature. Two discs (1 mm diameter) of ink strokes were punched from each prepared sheet using a metal handheld puncher and were then dissolved in 30 µL of HPLC grade methanol (Loba Chemie, Pvt. Ltd, India).Blank paper and reference dyes dissolved in methanol were considered as standard samples.

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“…Table 2 summarizes the analytical characteristics of CPE method. Table 3 indicates that the proposed method provides a lower limit of detection than other existing methods [45][46][47][48][49].…”

Section: Figures Of Meritmentioning

confidence: 99%

Micelle mediated extraction for preconcentration of Eu(III) prior to determination by flame atomic absorption spectrometry

Nouh

2015

Journal of Industrial and Engineering Chemistry

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Quantitative evaluation of europium in blue ballpoint pen inks/offset printing inks tagged with europium thenoyltrifluoroacetonate by spectrofluorometry and ICP-AES

Cited by 15 publications

References 21 publications

Micro-spectrochemical analysis of document paper and gel inks by laser ablation inductively coupled plasma mass spectrometry and laser induced breakdown spectroscopy

Micro-spectrochemical analysis of document paper and gel inks by laser ablation inductively coupled plasma mass spectrometry and laser induced breakdown spectroscopy

Differentiation of Red and Black Ballpoint Pen Inks using High Performance Thin Layer Chromatography and Gas Chromatography-Mass Spectrometry

Micelle mediated extraction for preconcentration of Eu(III) prior to determination by flame atomic absorption spectrometry

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