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 ?    51 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 ?    6 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

how decide the clining method and cleaning method validation require for this perticular products?

0 Answers  


how to regulate noise in HPLC?

2 Answers   Alkem Labs, Vimta Labs,


what is peak purity? how may types of methods to determine peak purity?

3 Answers   Mylan,


why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

3 Answers   Reddy Labs,


WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

0 Answers  






ash or residue in that what will be there.

3 Answers  


what is polarity and how to calculate

2 Answers   Reddy Labs,


what is analytical chemistry all about?

6 Answers   Dr Reddys,


Definition of beers_ lamberts law

4 Answers   Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,


What is the Defination of Tapdensity ?

4 Answers   Dr Reddys, R L Fine Chem,


What is difference btw UV detector & RID detector

4 Answers  


differance between L1 and L7 columns

5 Answers   Everest,


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)