Interested to Buy Any Domain ? << Click Here >> for more details...
why do we adjusted ph in the mobilphase
- 9 Answers
- 25345 Views
- Cipla, Dr Reddys, Reddy Labs, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / rajkumar
To ionise or deionise the analyte during passing of the
column. At that pH only the analyte may be in ionise form
or deionise form.
| Is This Answer Correct ? | 50 Yes | 3 No |
Answer / pharmainterview
To set sample in single form whether it may ionized form or
neutral form then only we can get good peak shpe.
Regards
pharmainterviewquestions.blogspot.in
| Is This Answer Correct ? | 16 Yes | 1 No |
Answer / simhadri
It is better to adjust our mobile PH minium 1 or 2 units away from the analyte PKa,to get good peak shape and good retention.
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / vijay
The adjust ment of ph of the buffer is to purpose of a
corrert retntion time of the main peak
| Is This Answer Correct ? | 9 Yes | 8 No |
Answer / sheela p
Because at certain pH molecules are effective that's why we adjust the pH of mobile phase.
| Is This Answer Correct ? | 3 Yes | 2 No |
Answer / gopikrishna dr reddyys
at a particular ph we wil get impurity peaks and we ll take salts in the hplc water for buffer preparation that time the ph of that solution will not stable we have adjust the ph with suitable acid or base that time the conjugation bond will form then ph of buffer will stable
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / guest
The PH adujustments is depends upon the substance we r
going to use...and it will help for elute the peak
earlier..
| Is This Answer Correct ? | 0 Yes | 3 No |
why the ph scale range is 1 t0 14 and why not beyond 14 and not to below 1?
5 Answers Avra, Granules, Orchid,
What is (Q) point dissolution?
At what distance the sample is collected in dissolution basket?
how we do assay of urea, ammonium sulpate, ammonium nitro pospate etc
How to determine water content of thioanisole? which interfere by KF titration?
Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?
1 Answers Micro Labs, Mistair,
what is the difference between hplc and uplc?
5 Answers Fresenius Kabi, Mylan,
In the gas chromatography what is used carrier gas and make up gas?
process of Diclofenac sodium,IP.
What is the SOP for SOP
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
NMR is both qualitative and quantitative?EXPLAIN
Organic Chemistry 
