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

why a ph meter require KCL solution for their storing condition?

1 Answers   Aurobindo,


what type of compounds do we see lod @ wat type compounds do we see m.c

3 Answers   Orchid,


In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?

4 Answers   MSN Pharma,


what is mean by dissolution hydrodynamics?

0 Answers  


What are the terms used during Melting Range Analysis ?

2 Answers  






How we develop a method by HPLC for unknown compound,if we got three peaks with same response then how we can find out which one is our desired compound's peak without taking help of LC MS.

4 Answers   Apotex, Kemwell,


What is Fourier Transform Spectrosopy?

5 Answers   Aurobindo, Hetero, Lupin,


what is differance between density and specificgravaty

2 Answers   Neuland,


Wt s the use of linearity in HPLC method validation

4 Answers  


Why base line not start from zero in GC Chromatography analysis.

1 Answers   Orchid,


Definition of beers_ lamberts law

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


why base line not starts from zero in gc?

1 Answers   Aurobindo, FDC, Reddy Labs,


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)