why we are used 4,7,9,2 buffers for the ph calibration

Answer Posted / pharmainterview

Basic concept is you need to check in acidic,neutral and
basic range. By covering all these regions you can check
anyware.
As per usp the difference between two adjacent buffers
should not more than 4.

Regards
pharmainterviewquestions.blogspot.in

Is This Answer Correct ?    41 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is partion and column chromatography

1811


how to get accurate result for Residue on evaporation in purified water

1111


What is Band broading effect explain

1388


what is biorelivent dissolution media?

298


How to fix the sample conc. in Related substances test by HPLC?

605






why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2331


4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2148


How would you decide dissolution medium for NCE compound of class I drug

1690


WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2090


why we use glass fiber filters use in some situation?

317


In Assy by potentio metry titration method how select MET U ,DET U, SET U,

1302


WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2134


Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

1688


what is the purge flow & how to calculate

1968


What is similarity factor and its use in api strength?

781