what is difference of uv and pda

Answer Posted / nirav

In PDA you select & adjust wave length as actual, but in UV
you must know the wave length of your product.

Is This Answer Correct ?    10 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are modes of quantification in related substances

1724


Identify problem faced when mass spectroscopy is used with HPLC system ?

1383


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

1116


If vendor having more imp than monograph then how to proceed? and how to set spec?

340


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

2893






how to set sample and standard concentration in RS method?

366


What is intact assay method development.....?

2008


What is shaking level in GC?

334


why does used dry caffien in HPLC calibration?

1570


what are the standard methods for HPLC?

2247


if content uniformity passing but dissolution varrying then what is next step?

391


What is diffrence between extractable volume and deliverable volume? Answer pls

3934


iam usig ph buffers merk. manually how to prepare ?

1781


What is dose dumping? why require to do?

303


why cone formation during dissolution?

325