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A Validation Study of the 1,2-indandione Reagent for Operational Use in the UK: Part 3-Laboratory Comparison and Pseudo-Operational Trials on Porous Items

A Validation Study of the 1,2-indandione Reagent for Operational Use in the UK: Part 3-Laboratory Comparison and Pseudo-Operational Trials on Porous Items

Aoife Luscombe, Vaughn Sears

Forensic Sci Int. 2018 Nov;292:254-261.

PMID: 30322695

Abstract:

Laboratory trials, followed by a comparative pseudo-operational trial of a 1,2-indandione/zinc formulation and 1,8-diazafluoren-9-one (DFO) was carried out on a range of realistically-handled papers, card and cardboard. In laboratory trials over 7500 split marks were assessed and in the pseudo-operational trial in excess of 400 samples were treated with each of these processes before all the samples were then treated with ninhydrin. The results presented from both stages of the trials establish that 1,2-indandione was the most effective single process and that 1,2-indanedione followed by ninhydrin the most effective process sequence, with ninhydrin developing a significant number of new marks after 1,2-indandione.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP54078294	1,8-Diazafluoren-9-one		54078-29-4	Price

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