Organic Chemistry

posted by .

Why would the presence of crystals of sample at the starting line cause streaking on a TLC plate?

  • Organic Chemistry -

    I think that's because the crystals are dissolving continuously as time progresses.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Sample purity

    Question: A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf value is 0.05, is observed. Is the unknown a pure compound?
  2. science(chem)

    [b]1.[/b]Is TLC a qualitative or quantitative analysis?
  3. TLC error

    When a TLC plate was developed, the solvent front ren off the top of the plate. why?
  4. science(chemistry)

    I have a question about TLC plate solvents. What solvents will leave stains on a plate with a TLC plate out of the ones below and why?
  5. Organic Chemistry Lab

    How do we correct the problem if during TLC development the solvent ran off the plate?
  6. Organic Chem

    What is the problem of spotting TOO much sample on a TLC plate initially?
  7. Chemistry - thanks

    In a thin layer chromatography (TLC)experiment,the TLC plate was pre-developed in the development chamber containing the mobile phase (to remove any contaminants before use),then air dried. On the same day,the TLC plate was then spotted …
  8. chemistry

    Q#1:what would you look for in a tlc experiment to determine whether or not your sample was pure?
  9. Chemistry

    Choccamine and mintanol have Rf values of 0.81 and 0.21 respectively. What would the distance in centimetres (cm) between the two compounds be if the TLC was run on a TLC plate where the solvent front moved 8.9 cm from the baseline?
  10. Organic Chemistry

    I spotted a commercial TLC plate, coated with silica gel, with a pure benzoin solution. After running the TLC plate in methylene chloride, the benzoin separated into two different spots. Rf values are 0.6 and 0.9. What explains this?

More Similar Questions