WHAT IS UNIT OF ABSORBANCE AREA IN HPLC OR UV DETECTER
Answer Posted / shravan
Absorbance unit
| Is This Answer Correct ? | 5 Yes | 3 No |
Post New Answer View All Answers
is it nessesary to do solution stability for 7 days?
Explain the relations between number of carbon atoms in alkanes and retention time ?
In which situation we require to prepare the standard solution from sample in Related substance method?
how to set sample and standard concentration in RS method?
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
What if impurity area in control sample coming more as compared to LOQ level of impurity ?
how you start RS method development when for new product?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
What is the difference between spectro meter and spectro photo meter?
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
what are risk assement in the analytical qbd?
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
why we are using hexane in calibration of number of drop per mL
If combination product how require to identify which imp is of which api?
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?