what is the purpose of Buffer in any titration?Ex:In determination of hardness of water we use ammonia ammoniachloride buffer in titration with EDTA.Why?
13 87373why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?
11 65652what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
3988When performing Moisture content how to you say only Methanol react with water not product Explain?
2 9221How we develop a method by HPLC for unknown compound,if we got three peaks with same response then how we can find out which one is our desired compound's peak without taking help of LC MS.
4 13382In case of dissolution test, if there is variation within 6 individual units however the batch is complying as per S1 criteria, is it necessary to do investigation for the same? What should be the criteria for such variation?
2 4375What is the difference between bulk property detectors and Solute property detectors vivimed labs limited
3 15493IF THE COMPOUND PKA IS 5.3 WHY WE ARE ADJUSTING PH+/-2 OF THE COMPOUNDS PKA. WHAT IS THE CONDITION
2 9422IN DISSOLUTION TEST S1AND S2 AND S3 CONDITIONS ALL ARE FAILED THEN WHAT IS THE DESSICION U CAN TAKE
12 24980Post New Analytical Chemistry Questions
why salisylic acid not using now days for disdolution calibration?
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
which batch require to use for analytical method validation?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
what is classification of elemental impurities? what is risk assement in elemental impurities?
What is split ratio in Gc? Splitless? how requirr to select?
how pda detector works over uv?
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
how you establish the LOQ?
why xterra column require to use at higher ph?
in which situation ion pair require to use?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
using gradient pressure in gas chromatography are not ?using gradient pressure why
