Interested to Buy Any Domain ? << Click Here >> for more details...
today i am doing calibration of HPLC. when i inject the
blank it was going on -ve.(bleow then zero) why?
- 3 Answers
- 10873 Views
- I also Faced
- E-Mail Answers
Answer Posted / b.gangatharan
This is due to improper sonication of mobile phase and improper stabilisation of column.
Regards,
B.Gangatharan
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
Why only 1.2 million lux hours require in photostability study?
iam usig ph buffers merk. manually how to prepare ?
Difference between hlaf and rlaf
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
What is the purpose of octyl silane columns?
Why dissolution test is not performed in all of the products
What is diffrence between extractable volume and deliverable volume? Answer pls
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
How can we calculate offset value pH measurment
if tech transfer fails whay require to do?
What are modes of quantification in related substances
why digestion require in icpms?
