How to Prepare magnesium sulphate solution for BOD Analysis|MgSO4.7H2O |chemical preparation for BOD

Magnesium sulphate solution:- Dissolve 22.5 gm of MgSO4.7H2O in Distilled water and dilute to 1000 ml.
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[@user-zr1vp2md4s]

Very informative

[@winners-111]

Bahut badiya sir

[@user-hz1xi1do6q]

Very helpful sir

[@user-zr1vp2md4s]

Very supportive sir

[@VIKASSAINI-vt7fb]

Bahut badiya sir
TKN and TP ka testing video upload kijiye sir

[@user-td3fr9ui6b]

Baki ke video bhi jald upload kre sir.

[@___piyush____03]

जल्दी जल्दी बाकि की विडियो बनाईए बी ओ डी कि

[@EnviroTechSupport710]

Ok wait

[@pallavinawlakhe1122]

Sir video bhut long hota hai ekhi video me 2,3 solution fta fat bta sakte ho to btao video bhut slow ho rhi hai

[@EnviroTechSupport710]

Chemical preparation me jldi nhi kr skte accuracy ke sath result chaiye to time lgta he.

[@ravipandit877]

22.5 gm hi kyou leya h sir .is ki calculation

[@EnviroTechSupport710]

BOD ki APHA method ke according 22.5 gm hi lena hai.