1, 2-indanedione, together with several light frequency generator able to detect fingerprint.Many types of paper rather than on a disguise and give good quality, rather than how many types of ninhydrin on paper.
1,2-indanedione Compatible with multiple light frequencies to detect fingerprints on paper latent diversified and better quality than the ninhydrin on multiple paper types.
,, 1 2-indanedione With multiple light generator frequency can detect latent fingerprint on paper many more and better quality level method. Ninhydrin on paper many kinds