wt is rsd in and explain




Answers were Sorted based on User's Feedback



wt is rsd in and explain..

Answer / janagamshyam

RSD means Relative standard deviation. If we inject same
sample 5 injections the deviation b/w these area or RT is
called as RSD

RSD = Standard deviation *100/mean(area or RT)

Is This Answer Correct ?    50 Yes 3 No

wt is rsd in and explain..

Answer / qamaruddin

RSD means Relative standard deviation. If we inject same
sample 5 injections the deviation b/w these area or RT is
called as RSD

RSD = Standard deviation *100/mean(area or RT)

Is This Answer Correct ?    5 Yes 0 No

wt is rsd in and explain..

Answer / srikanth

RSD = Standard Deviation/ Average * 100

Average is '(same sample is analyzed for 5 times with the
same conditions of instrument)the average of results.

RSD used to Know the precision. If the RSD is less than 3%,
That is precision is good.

Is This Answer Correct ?    4 Yes 1 No




wt is rsd in and explain..

Answer / rama rao kethineni

Relative Standard Deviation.
RSD= S.D*100/ Mean.

In short This is to Explain the UNCERTANITY in your Analytical Result. We don't Know the true Value.

Uncertanity can be Quantified in different ways.

I Know the following
1.Significant figures method
2.Error propagation Method and
3. Statistical Method

Is This Answer Correct ?    2 Yes 1 No

Post New Answer



More Analytical Chemistry Interview Questions

What is Threshold in hplc?

2 Answers   Hetero,


What is basic difference between method validation,process validation

1 Answers   Atul,


how to pepare 6.8 pH phosphate buffer

10 Answers  


What is excipient in drug product?

1 Answers   Lupin,


why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?

7 Answers   Reddy Labs,






what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

0 Answers   Millennium, GVK,


In UV we measure absorbance , how it is happend ? explain me

4 Answers  


why has inject 6 injection in Releted compounds

2 Answers  


Why pH lies between 0 to 14 only

4 Answers   PI Industries, Unimark Remedies,


Why using Holmium oxide in UV calibration

8 Answers   Orchid, Dr Reddys, Matrix, Nakoda Chemicals,


what is the differnce between GMP and CGMP

7 Answers   Shilpa Medicare,


defination of wavelength & wave number

4 Answers  






Categories
  • Organic Chemistry Interview Questions Organic Chemistry (301)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1251)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (189)