Your video is very much helpful for me .....Thanks a ton 🙏🏼
@dexterdemver82533 жыл бұрын
I think there are lots of loopholes in your procedure. When you add the chemicals, please consider the oxygen intake; hence dip the pipette below the water surface. Also, how much volume did you take that is needed and titrated with the thiosulfate? might as well show your BOD calculations and chemical reactions of the process.
@helanpeter2429 Жыл бұрын
Sir, you are a lifesaver!❤️
@ajaylawrence97303 жыл бұрын
Very clear explanation brother... Keep going 💐
@lapeteemnetaji8003 жыл бұрын
If the expected BOD of a sample is in the range 35 mg/L to 85 mg/L, what would be the minimum and maximum sample volumes to use for the sample dilution?
@kamallovelykhan54422 жыл бұрын
Bhut hi jabardast tarike se bataya hai aapne
@ainamaniberlyc-worship99844 ай бұрын
I learnt, thanks much
@maazsheikh9412 Жыл бұрын
I think now a days bod can be determined by hach bar coded kits or incubator based oxitop device as it requires very basic reagents and gives accurate results
@user-ve4dq4ri5y2 жыл бұрын
Could I know the concentration of the chemicals that were used? And is starch solution starch in aqueous solution or starch indicator solution? I’m assuming it’s the first one
@neelamsolmonraju91762 жыл бұрын
Thanks a lot brother
@saveearth58503 жыл бұрын
What's difference between BOD3 and BOD5 except temperature??
@maazsheikh9412 Жыл бұрын
Nice explanation
@thokalapudisubramanyam3984 Жыл бұрын
How can we determine the bod value from the titrated value
@hanhphan5581 Жыл бұрын
Can you share with us the concentration of the reagent in this procedure?
@adriantodorov32 жыл бұрын
You uncapped your water sample for quite an extended period of time before adding the manganese sulfate, this will allow oxygen in the room air to enter the sample and change the concentration. Also your water samples were evidently not filled to the top as when you add your reagents they should displace some liquid as you are adding in excess.
@shubham21322 жыл бұрын
Can you give or tell me BOD total procedure, it's urgent
@BLACK.SHADOW59211 ай бұрын
Nice video
@sidimohamedmestari63482 жыл бұрын
Thx , it was good presentation but loud music didnt allow to hear well. Also it wd be much better if u provid explanation, ex ( why did u proceed without dilution!?, and if the dilution is required? How to detrmine the factors based on the detection limit of the method? Etc. Thx
@CarmenRodriguez-rv2qc2 жыл бұрын
you can write the procedure??
@wallindcoy12423 жыл бұрын
Is the formula for calculating BOD correct? I'm a little confused because in some places I've read that BOD value = [DO(initial)- DO(final)]× Dilution factor.
@maazsheikh9412 Жыл бұрын
It's right the one u shared, for watching more about bod watch my video, kzfaq.info/get/bejne/nteiaaZn252ohGg.html
@irynjah10 ай бұрын
You should get rid of the air bubble in your burette 😊
@PCLye3 жыл бұрын
Hi if I have a digital DO meter can I conduct a BOD5 by ...1st sample leaves for 5 days in the dark then take the DO reading ...2nd sample direct from the source - take the DO reading then Subtracting the difference in value without going through the titration route?
@sirshem96833 жыл бұрын
Yes, as long as the DO meter is properly calibrated.
@PCLye3 жыл бұрын
@@sirshem9683 thanks this simplify my tasks
@aswathyreji4337 Жыл бұрын
Addition of wrinkler solutions should be done deep under the water for proper mixing and fixation
@satishpanwar95772 жыл бұрын
Sir in BOD bottle complete filled with waste water .. Or waste water +distilled water Plzz mention quantity of this sample....
@florachrist96023 жыл бұрын
We cnt see plz
@abhishekrana5933 Жыл бұрын
Music kyu lgaya tere Bhai ken shadi the
@smac53 жыл бұрын
should have finished the experiment and calculated the BOD.
@kuruvi2000 Жыл бұрын
Pls lower background noise
@rajiv18795 ай бұрын
What about COD
@rajiv18795 ай бұрын
Make easier and fastest way to find COD
@rupakrabha-21792 жыл бұрын
at one moment of time i thought the other one is a girl 😂