Houda Javed

5 Questions 7 Answers 0 Followers

Questions related from Houda Javed

Can we perform correlation testing on 2 variables, when 1 is nominal or ordinal data and the other one is scale data?

Using SPSS, can we perform the correlation analysis on two variables when one variable is containing the nominal or ordinal data whereas the other one is containing scale values?

03 March 2018 5,501 12 View

How to avoid baseline noise in HPLC?

What are the causes behind the generation of baseline noise in HPLC?? What should we do to avoid this baseline noise?

01 January 2018 452 8 View

Standard in mixture form is not giving separate peaks, Why??

I am using the standard in the form of mixture i.e EPA VOC Mix 2 (2000 microgram per ml each component in methanol). As mentioned in COA, it is having 14 components / analytes. When this...

08 August 2017 7,316 3 View

Can Standard in mixture form be helpful in quantification in case of HPLC?

If we purchase a standard in the form of mixture involving 5-6 compounds, Can we quantify an individual compound by using this mixture, or individual compound (Separate Standard) will also be...

07 July 2017 3,560 8 View

Can anyone explain this statement for me?? how Calculation of differential changes was performed according to this statement???

Additionally, the differential changes of 5-min averaged concentration from the previous 5-min averaged concentration were calculated and divided into positive values (d+ Concentration) and...

03 March 2017 3,498 0 View