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Detection and identification of dyes in blue writing inks by LC-DAD-orbitrap MS

•Screening analysis of acid and basic dyes in blue writing inks.•Method validation.•Thirty blue ink samples were analyzed and nine reference dyes were detected.•Four unknown dyes detected in ink samples were identified using Orbitrap MS. In the field of forensic questioned document examination, to i... Full description

Journal Title: Forensic Science International April 2016, Vol.261, pp.71-81
Main Author: Sun, Qiran
Other Authors: Luo, Yiwen , Yang, Xu , Xiang, Ping , Shen, Min
Format: Electronic Article Electronic Article
Language: English
Subjects:
Dye
Dye
ID: ISSN: 0379-0738 ; E-ISSN: 1872-6283 ; DOI: 10.1016/j.forsciint.2016.01.038
Link: http://dx.doi.org/10.1016/j.forsciint.2016.01.038
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recordid: elsevier_sdoi_10_1016_j_forsciint_2016_01_038
title: Detection and identification of dyes in blue writing inks by LC-DAD-orbitrap MS
format: Article
creator:
  • Sun, Qiran
  • Luo, Yiwen
  • Yang, Xu
  • Xiang, Ping
  • Shen, Min
subjects:
  • Questioned Document Examination
  • LC-DAD-Orbitrap MS
  • Identification
  • Dye
  • Blue Writing Ink
  • Questioned Document Examination
  • LC-DAD-Orbitrap MS
  • Identification
  • Dye
  • Blue Writing Ink
  • Public Health
ispartof: Forensic Science International, April 2016, Vol.261, pp.71-81
description: •Screening analysis of acid and basic dyes in blue writing inks.•Method validation.•Thirty blue ink samples were analyzed and nine reference dyes were detected.•Four unknown dyes detected in ink samples were identified using Orbitrap MS. In the field of forensic questioned document examination, to identify dyes detected in inks not only provides a solid foundation for ink discrimination in forged contents identification, but also facilitates the investigation of ink origin or the study regarding ink dating. To detect and identify potential acid and basic dyes in blue writing inks, a liquid chromatography-diode array detection-Orbitrap mass spectrometry (LC-DAD-Orbitrap MS) method was established. Three sulfonic acid dyes (Acid blue 1, Acid blue 9 and Acid red 52) and six triphenylmethane basic dyes (Ethyl violet, Crystal violet, Methyl violet 2B, Basic blue 7, Victoria blue B and Victoria blue R) were employed as reference dyes for method development. Determination...
language: eng
source:
identifier: ISSN: 0379-0738 ; E-ISSN: 1872-6283 ; DOI: 10.1016/j.forsciint.2016.01.038
fulltext: fulltext
issn:
  • 0379-0738
  • 03790738
  • 1872-6283
  • 18726283
url: Link


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subjectQuestioned Document Examination ; LC-DAD-Orbitrap MS ; Identification ; Dye ; Blue Writing Ink ; Questioned Document Examination ; LC-DAD-Orbitrap MS ; Identification ; Dye ; Blue Writing Ink ; Public Health
description•Screening analysis of acid and basic dyes in blue writing inks.•Method validation.•Thirty blue ink samples were analyzed and nine reference dyes were detected.•Four unknown dyes detected in ink samples were identified using Orbitrap MS. In the field of forensic questioned document examination, to identify dyes detected in inks not only provides a solid foundation for ink discrimination in forged contents identification, but also facilitates the investigation of ink origin or the study regarding ink dating. To detect and identify potential acid and basic dyes in blue writing inks, a liquid chromatography-diode array detection-Orbitrap mass spectrometry (LC-DAD-Orbitrap MS) method was established. Three sulfonic acid dyes (Acid blue 1, Acid blue 9 and Acid red 52) and six triphenylmethane basic dyes (Ethyl violet, Crystal violet, Methyl violet 2B, Basic blue 7, Victoria blue B and Victoria blue R) were employed as reference dyes for method development. Determination...
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•Screening analysis of acid and basic dyes in blue writing inks.•Method validation.•Thirty blue ink samples were analyzed and nine reference dyes were detected.•Four unknown dyes detected in ink samples were identified using Orbitrap MS.

In the field of forensic questioned document examination, to identify dyes detected in inks not only provides a solid foundation for ink discrimination in forged contents identification, but also facilitates the investigation of ink origin or the study regarding ink dating. To detect and identify potential acid and basic dyes in blue writing inks, a liquid chromatography-diode array detection-Orbitrap mass spectrometry (LC-DAD-Orbitrap MS) method was established. Three sulfonic acid dyes (Acid blue 1, Acid blue 9 and Acid red 52) and six triphenylmethane basic dyes (Ethyl violet, Crystal violet, Methyl violet 2B, Basic blue 7, Victoria blue B and Victoria blue R) were employed as reference dyes for method development. Determination...

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•Screening analysis of acid and basic dyes in blue writing inks.•Method validation.•Thirty blue ink samples were analyzed and nine reference dyes were detected.•Four unknown dyes detected in ink samples were identified using Orbitrap MS.

In the field of forensic questioned document examination, to identify dyes detected in inks not only provides a solid foundation for ink discrimination in forged contents identification, but also facilitates the investigation of ink origin or the study regarding ink dating. To detect and identify potential acid and basic dyes in blue writing inks, a liquid chromatography-diode array detection-Orbitrap mass spectrometry (LC-DAD-Orbitrap MS) method was established. Three sulfonic acid dyes (Acid blue 1, Acid blue 9 and Acid red 52) and six triphenylmethane basic dyes (Ethyl violet, Crystal violet, Methyl violet 2B, Basic blue 7, Victoria blue B and Victoria blue R) were employed as reference dyes for method development. Determination...

pubElsevier B.V
doi10.1016/j.forsciint.2016.01.038
lad01Forensic Science International
date2016-04