importance of internal standard and in what conditions it is
used?



importance of internal standard and in what conditions it is used?..

Answer / arun kumar

An internal standard is a compound that is similar in physical and chemical characteristics to the sample being analysed. It must be not inert with the sample or solvent used in dilution. Internal standard can use to determine concentration of unknown compound by using RRF value.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

What are usp limits for total impurities,unknown impurity

1 Answers   Dr Reddys,


what is leading peak in hplc

1 Answers   Cipla,


if the purity is 99.9%,is need to do assay?

3 Answers   Reddy Labs,


why there is a need of optical activity & specific optical activity measurement by polarimeter

6 Answers   Cadila,


what is the basic principle of conductivity meter

4 Answers   Hetero,






calibrtion procedue of LC-MS

0 Answers   GVK, Matrix,


Which buffer is used for LC/MS mobile phase & at What Conc.

3 Answers  


wen v have polr solvent then which type of column use in hplc

2 Answers  


how to regulate noise in hplc ?

2 Answers  


why sucrose is used for polarimeter calibration

4 Answers   Sun Pharma,


what is MCG dilution in HPLC & GC analysis

1 Answers   Amoli Organics, Cipla,


From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked?

1 Answers   Cipla, MSN Pharma,


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)