how to prepare ammonia buffer solution for hardness | how do you make ammonia buffer solution?

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In this animated video, you will learn how to prepare ammonia buffer solution for hardness. This solution is used to determine the hardness of water.
How do you make ammonia buffer of pH 10?
What buffer solution is used for hardness?
how to prepare ammonia buffer solution for hardness
How do you make ammonia buffer solution?
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But in a some book is

If the magnesium salt of EDTA is unavailable, dissolve 1.179 g disodium salt of ethylenediaminetetraacetic acid dihydrate (analytical reagent grade) and 780 mg magnesium sulfate (MgSO4 7H2O) or 644 mg magnesium chloride (MgCl2 6H2O) in 50 mL distilled water. Add this solution to 16.9 g NH4Cl and 143 mL conc NH4OH with mixing and dilute to 250 mL with distilled water. To attain the highest accuracy, adjust to exact equivalence through appropriate addition of a small amount of EDTA or MgSO4 or MgCl2

ankushdongre

Why we take 16 . 9 gm of ammonium chloride
Is there any logic to take specific quantity

PriyaSekhri-hx

Ammonium chloride 16.9 gram and ammonium solution 143 ml not 14.3ml for 250ml

adinarayanatibirisetti

Btw adding water makes down the Ph, ...
Why would you add them

xninja

What if we want to make it in small quantity

growingandglowing

how to prepare ammonia buffer solution for hardness | how do you make ammonia buffer solution?

how to prepare ammonia buffer solution for hardness | how do you make ammonia buffer solution?

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