why we are using in ph calibrations ph4,7,9.2 buuffers only?

Answer Posted / basha

Most of HPLC Analysis Are in range 4-9 pH hence most of the
labs prefer constant buffers . Columns may degrade below
4pH and above pH range hence specific range

Is This Answer Correct ?    0 Yes 7 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

calibrtion procedue of LC-MS

2155


what type of question will ask in the interview of lab chemist.

2895


what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

351


i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2194


which are the sizes of capsules?

412






Which parameters require to do in tech transfer?

284


[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?

364


for inorganic molecules require to do RS, Assay and disso?

258


How to calculate coreletion coefficient

1145


Difference between hlaf and rlaf

1660


How to set specification of assay, fisdolution and related substances?

372


what is the structure of DOWEX-50

4931


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

1712


What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

1555


Qc interview questions

1257