'Ink analysis' presentation slideshows

Ink analysis - PowerPoint PPT Presentation

Questioned Documents

Questioned Documents

Questioned Documents. A questioned document is one in which a document in its entirety, or in part, is subject to question as to authenticity and/or origin OR any signature, handwriting, typewriting, OR other marks whose source or authenticity is in dispute or is doubtful.

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495 views • 35 slides
Questioned Documents

Questioned Documents

Questioned Documents. Summary. Document Analysis Ink Examination Paper Examination Machine Examination (typewriter, printer). Handwriting Analysis. Questioned Documents. What pen wrote this? What type of paper is it written on? Has it been altered?. Questioned Documents. Ink Analysis.

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430 views • 23 slides
Applications of capillary electrophoresis in forensic analytical chemistry

Applications of capillary electrophoresis in forensic analytical chemistry

Jace James & Lauren Erland. Applications of capillary electrophoresis in forensic analytical chemistry. Capillary Electrophoresis (CE). Separation based on charge & frictional force. CE. Capillary zone electrophoresis (CZE)

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564 views • 16 slides
Warm up (write questions and answers in you notes)

Warm up (write questions and answers in you notes)

electronic devices will be confiscated. Warm up (write questions and answers in you notes). Be on time for class and prepared!. Follow all school rules. What is ink made out of? How can inks be separated into their component chemicals?. No food or drinks outside the commons.

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283 views • 13 slides
Ink Analysis

Ink Analysis

Ink Analysis. Introduction to Ink Analysis. Although all blue or black inks may look the same, there can be some important differences in their chemical composition. Analysis of documents under a microscope can be informative as a first step.

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1.16k views • 13 slides
Ink Analysis

Ink Analysis

Ink Analysis. Introduction to Ink Analysis. Although all blue or black inks may look the same, there can be some important differences in their chemical composition. Analysis of documents under a microscope can be informative as a first step.

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238 views • 13 slides

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