What chemistry is used in the detection of fingerprints?

i need to write a 2 page essay about the chemistry used in the detection of fingerprints and i searched it but i can't find out anything i dont even know the name of the chemistry

Similar Asks:

  • Header and footer problem. =[? - ok..so heres an example of my first page.DocumentPage 1Title(now its my next page)Document Page 1Introduction(Now it’s my third page)Document Page 1Essay(HOW DO I GET RID OF PAGES 1 THROUGHOUT MY WHOLE APA FORMAT ESSAY?! it keeps doing that and i dont know how you can make it into different page numbers at the top.)Help please?
  • Night by Elie Wiesel Quotes? - I am writting an essay on Night by Elie Wiesel and my theme is man’s inhumanity to man. I know that Wiesel says something about how anyone who witnesses an atrocity, or an act of inhumanity, and does nothing to stop it, is just as guilty as the person commiting the act. I can’t remember
  • I feel like I am going to fail my leaving cert, what should I do? - Hey I am an 18 year old guy. I have my (finals) leaving cert coming up soon, and well I feel totally not ready for it. I find a lot of my subjects I have great difficulty with. I am not bad at everything, Like Geography, Art and French I am very good at,
  • Literary Devices in The Awakening by Kate Chopin ? - I have to write an essay on literary devices in this book, I’m having trouble finding some. I need specific examples, but whatever you can give me will help. I need to find…1) Simile2) Metaphor3) Symbolism4) Allusion5) PersonificationI have searched all around google and I can’t find much, I’ve looked on sparknotes, cliffnotes, etc.I need
  • ALL Over But The Shoutin by RIck Braggs Summary/reaction paper? - Hello,Can anyone tell me where to find a summary, essay, anything on this book. I have searched everywhere. Please help if you can. Thank you!
  • Essay 1917 Russian Revolt, homework help!? - What was the economic situation of the Russian Revolt – 1917 ?What overall, was this revolt?I searched/read Wikipedia and I dont understand it all very well . “/Can someone clearly understand this to me? ._.”I have ANOTHER essay to write, and I got most of the information about Nicholas II, and Bloody Sunday, but I
  • Why does Silly Putty come out of things when you apply rubbing alcohol? - My son has to write an essay on why rubbing alcohol removes Silly Putty from things. It must have something to do with chemistry but we can’t find the answer as to why this is so.

3 Responses to “What chemistry is used in the detection of fingerprints?”

  1. stachel says:

    i dont think its a chemistry i think its a science , idk how it could be a chemistry

  2. confiscates says:

    Basically chemicals are reacted with the oil residue left by the fingers, and the reaction turns the residue into a highly visible color.

  3. jimjams says:

    the reason you didn’t find anything is because it is chemistry. it is just a way of darkening oils on a surface left by a finger. usually they use fine graphite (the stuff in lead pencils). they cover the print with the graphite powder then gently brush away the excess, therefore revealing the print. the grapgite sticks to the oils left by the finger.