Iodine Value: Dr. Bhushan P Pimple

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  • เผยแพร่เมื่อ 9 มิ.ย. 2024
  • Iodine number, Iodine value, iodine monochloride, PUFA analysis, Oil analysis, Degree of unsaturation, Dr Bhushan P Pimple
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ความคิดเห็น • 22

  • @pranitatarde6238
    @pranitatarde6238 2 ปีที่แล้ว

    Too best vdo for understanding...
    Thanks sir

    • @bhushansong
      @bhushansong  2 ปีที่แล้ว

      Most welcome, Pranita

  • @ishachouhan4271
    @ishachouhan4271 2 ปีที่แล้ว

    such an amazing video....helped me alot
    thank you

    • @bhushansong
      @bhushansong  2 ปีที่แล้ว

      Glad it helped! Isha. Thank you for watching

    • @Learner_being
      @Learner_being 2 ปีที่แล้ว

      Sir can iodine value be used for triple bond unsaturated compound?
      Or we use this only for double bond unsaturated compound?
      Please tell.

    • @bhushansong
      @bhushansong  ปีที่แล้ว

      @@Learner_being it is used for double bonds as they are commonly found in veg oils.
      I am not sure about its application in triple bond determination

  • @Mohinip140
    @Mohinip140 2 ปีที่แล้ว

    Very very nice explained

  • @danielalvis5983
    @danielalvis5983 6 หลายเดือนก่อน

    When we rinse the stopper with water, does the water mix with the solution or we rinse the stopper in the sink

    • @bhushansong
      @bhushansong  6 หลายเดือนก่อน

      Thanks for watching, Daniel. We should rinse with 15 ml potassium iodide solution and pour the rinsate in the flask. Potassium iodide dissolves all Iodine fumes those are trying to escape through the gaps of stopper & neck. This ensures accuracy in the Iodine value measurements.

  • @amoghamyakala
    @amoghamyakala 6 หลายเดือนก่อน

    Good explanation sir

    • @bhushansong
      @bhushansong  6 หลายเดือนก่อน

      Many thanks

  • @polasadowska8076
    @polasadowska8076 11 หลายเดือนก่อน

    What is the concentration of KI solution? Does it really matter in the experiment?

    • @bhushansong
      @bhushansong  11 หลายเดือนก่อน

      Many thanks Pola. A 10-15% w/v Aq KI solution would be sufficient. Purpose is to trap all Iodine fumes escaping from the gap of stopper & iodine flask.

  • @ramdaspatil3974
    @ramdaspatil3974 ปีที่แล้ว

    Sir for this experiment we use Iodine monochloride or
    Wij's solution

    • @bhushansong
      @bhushansong  ปีที่แล้ว

      Thank you Ramdas. I've been using Iodine monochloride. It is corrosive and needs to be handled carefully (mask, gloves and glasses etc are advisable)

  • @shipsi929
    @shipsi929 หลายเดือนก่อน

    Omega 3 is alpha linolenic acid!

  • @ninadphalke3187
    @ninadphalke3187 2 ปีที่แล้ว

    Why ccl4 used? Why solution kept for only 30 min ?

    • @bhushansong
      @bhushansong  2 ปีที่แล้ว +2

      CCl4 or chloroform acts as diluent, it also provides a common medium for the reactants to react. (or else, oil will float on the water and cannot react)
      Thirty minutes is the maximum time required for I-Cl to bind with the double bonds of oil. It ensures that binding is complete (for 1 g of oil).

  • @niranjini.achemistrydepart300
    @niranjini.achemistrydepart300 2 ปีที่แล้ว

    Why are you use 0.1 M sodium thiosulfate

    • @bhushansong
      @bhushansong  2 ปีที่แล้ว +1

      Na2S2O3 sodium thiosulphate (one of the few stable reducing agents) converts (reduces) iodine to iodide form.
      Na2S2O3 first reacts with iodine before iodine (I2) can form a complex with starch to give (blue-black color). Once all thiosulfate is utilized excess iodine now forms a complex with starch.
      This helps us to get accurate end point

    • @niranjini.achemistrydepart300
      @niranjini.achemistrydepart300 2 ปีที่แล้ว

      @@bhushansongthank you for your reply