Thank you Keep watching and inform to all your friends and tell them to watch, learn and subscribe...Ok For any doubts , procedure and Viva questions I will share to ur mail. send me test mail on chandruharshu@gmail.com
Thank you Keep watching and inform to all your friends and tell them to watch, learn and subscribe...Ok For any doubts , procedure and Viva questions I will share to ur mail. send me test mail on chandruharshu@gmail.com study well.....
Thank you Keep watching and inform to all your friends and tell them to watch, learn and subscribe...Ok For any doubts , procedure and Viva questions I will share to ur mail. send me test mail on chandruharshu@gmail.com study well.....
The explanation is good, but handling of the chemicals with mouth is not a good practice ..second after adding all the chemicals needed to put digestion in hot plate and cooling, then titration
Yes definitely it is required if you have more impurities in the waste water But I have used only one FAS as impurity in waste water for this heating is not required Thank you so much for your nice feed back and encouragement and for more lecture videos please subscribe my channel
Thank you Yes you need to heat if required and the waste water if it contains more contaminants But only for this titration I have taken only one contaminant and which will give the end point without heating.
Thank you Silver sulphate is definitely required if the waste water contains more contaminants But only for this titration I have taken only one contaminant
Tomorrow is my lab sem exam.... Im watching video today at midnight 12😂😂😂😂😂
Same here
@Divya Kumar legend
Same but I'm watching at 1 30 at night 😂
Me too
Me too at 1:45 am 😀
Tomorrow is my lab external exam...
Hear I'm at 1:30 am watching all your vedios..😅
Which is related to chemistry lab...
THANK YOU SIR🙏🏻
All are watching before the exam👏
Thank you
Thank you for your explanation sir....
Thank you very much for your kind support
Thank you
Thank you
Amazingly explained 👍
Thank you
Well explained
Thank you very much for your kind support
Thank you
Thank you
After 1 hr my exam will be held on and I'm watching now 😅😅😅😅
Thank you
Very nice explanation sir
Thank you
My lab exam is in hour and I'm watching now 🔥
Thank you
Very nice explanation...thank you for sharing sir
Thank you
Thank you
Thank you sir
Thank you so much for your nice feed back and encouragement and for more lecture videos please subscribe my channel
Thank you
Thank you
❤
Sir excellence way of teaching!
Thanks and welcome
Thank you
Keep watching and inform to all your friends and tell them to watch, learn and subscribe...Ok
For any doubts , procedure and Viva questions I will share to ur mail. send me test mail on chandruharshu@gmail.com
You are 🐐🐐
Thank you
You made it easy to study the procedure tq so much sir🙏
Thank you
Keep watching and inform to all your friends and tell them to watch, learn and subscribe...Ok
For any doubts , procedure and Viva questions I will share to ur mail. send me test mail on chandruharshu@gmail.com
study well.....
Excellent sir
Thank you
Keep watching and inform to all your friends and tell them to watch, learn and subscribe...Ok
For any doubts , procedure and Viva questions I will share to ur mail. send me test mail on chandruharshu@gmail.com
study well.....
Sir we need to dilute the H2SO4+ AgSO4 reagent with distill water??
Or directly we can use?
you are my favorite budda
Thank you God gift
Thank you sir.
and HgSO4 ratio 1:10 approximate 4 mg add into COD reflux tube
mercury sulphate use to remove chloride interfere from sample
Sir can you please give to us procedure of cod,bod analysis
Sir here u didn't mentioned formula to calculate?
I have exam on 10:30 I'm watching this video at 9:35😂
Thank you
Today is my exam still waching all video in 3hour😂
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I watching video 20min before lab exam 😅
Thank you
Is there no requirement of COD digestor for the process
The explanation is good, but handling of the chemicals with mouth is not a good practice ..second after adding all the chemicals needed to put digestion in hot plate and cooling, then titration
Sir how to take sample for cod test in a laboratory ... settled water or filtered water passed through 0.45 micron m. ?
Thank you
Sir what is the normality of FAS and K2Cr2O7..?
Are u from sdm if yes reply me back
@@sandeepkarne3913 yea
sir more video of chemistry lab thanks for the video.
Will upload soon Thank you
Can you provide a calculation of TKN metod
My lab exam is today 9 am watching video 8:45😅😢😂
Sir is mercury sulphate not needed in this procedure?
Yes required but in this method I have used FAS instead of waste water Hence not required
Thank you
Yes required based on the impurities in the waste water
Thank you
is definitely required if the waste water contains more contaminants But only for this titration I have taken only one contaminant
Sir will u plss tell ki how to prepare COD acid ??
Which acid?
Thank you
1:1 Water :H2SO4 solution but care full and take the help from the known persons while preparing
Thank you
How to prepare waste water in laboratory?
Use dilute FAS solution
H2SO4 kitane ml Lena hai sir
2 test tubes
Thank you
Sir if inhaled the burned vapours cod mixture what happen sir
Sir, I wonder why don't you heat up the water sample before doing the titration? Is it not necessary?
Yes definitely it is required if you have more impurities in the waste water But I have used only one FAS as impurity in waste water for this heating is not required
Thank you so much for your nice feed back and encouragement and for more lecture videos please subscribe my channel
Thank you
Yes it is necessary if required
Thank you
Yes you need to heat if required and the waste water if it contains more contaminants But only for this titration I have taken only one contaminant and which will give the end point without heating.
And what reagents can be substitute instead of silver sulphate?
Yes required but in this method I have used FAS instead of waste water Hence not required
Thank you
Thank you
Silver sulphate is definitely required if the waste water contains more contaminants But only for this titration I have taken only one contaminant
Zero safety 🤣
Actually we are using very dilute solutions so ...
pipetting any chemicals by your mouth is not permitted in laboratory process
What is 1:1 H2SO4 ?
concentrated sulphuric acid diluted with distilled water in the ratio 1:1
Thank you so much for your nice feed back and encouragement
Thank you
Mixture of Water and H2SO4 in the ratio 1:1
Equal amount of water and concentrated sulphuric acid
any bsc biotechnology students ☺️
This is for all science students to determine COD of waste water. Thank you
Thank you
Thank you