Answer / balu

I thing to maintain the pH of solution

Answer / t reddy

buffer is used to keep PH stable in ionizable condition.

Answer / haribabu

in Reverse phase chromatography for good resolution

Answer / msreddyvelagala

in solute we may have different products,all these cannot elute at same concetration of mobilephase in short time.solvent is polar,to get the eluates faster we have tochange the mobilephase composition(i.e polarity to be increased up to certain time intervel)

Answer / sasibhushanreddy

to control the ph of the soultion

Answer / vikasnautiyal4

because solvent system intrect
with mixture (they are mixture
of acid and base) to prevent
tha ionisation and controle
ph of analyte.

Answer / vijay bhosale

To maintain the PH oo solution.

Answer / manisha dawale

To prevent ionization,to control retension and for proper peak shape

Answer / tapan shaw

To simulate the dissolution behavior in our body fluid
because our body fluid where drugs release occur is either
acidic or basic.

Answer / ankita

to prevent ionization of weak acids and weak bases.

what is PH of 0.1N Hcl, 0.01N Hcl & Mehanol.

3 Answers  

what is mean by theoritical plates(not formula) ?

4 Answers   Micro Labs,

why we make titiration of Iron with EDTA ?

1 Answers   Cipla, Sitec Labs,

why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?

7 Answers   Reddy Labs,

What is the difference between c8 and c18 hplc column?

1 Answers  

how std. of znso4

1 Answers  

Why pyrene is also use for calibration if detector

1 Answers   Cipla, Dr Reddys,

If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

0 Answers  

what is difference between drug products and drug substance?

5 Answers   DRL,

how to calculate the Step and ripple accuracy for pump gradient test for UPLC?

1 Answers   Wockhardt,

what are the primary standards of redox titrations?Name any two.

2 Answers   Laurus,

Near infrared Principle

1 Answers