What is the reason of RT change in new column v/s old column in HPLC
- 3 Answers
- 16662 Views
- Apex, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / naresh
Regular usage of old column some stationary phase is loss inside the column compared to new column so compound retention inside the column varies between these two columns
| Is This Answer Correct ? | 7 Yes | 0 No |
Answer / arul
old coloumn inside some particles may be formed, new coloumn no particles that is reason
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / dipty
Because the old column might not be washed properly so the stationary phase which is not used up that is if the column is new it has more chance to hold up the drug.
| Is This Answer Correct ? | 3 Yes | 3 No |
IN DISSOLUTION WE ARE USING A LETTER 'Q' WHAT IS MENT BY Q
5 Answers Reddy Labs, Torrent Pharma,
Why perform dissolution multimedia study in dissolution Development
Why dissolution test performed on six jar?
how pda detector works over uv?
What is difference between known and unknown impurities
why we cannot analysis below 200nm in u.v?
what is the d/f b/w normality and molarity and molality..?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
what is dwell volume in HPLC?
2 Answers Aurobindo, Cadila, Strides, SUN, Sun Pharma,
Why we more noise in PDA detector compared to UV detector?
Data was integrated with RRT CONCEPT OR Overlay with SSTchrmatogram concept which is better?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
Organic Chemistry 
