Jean Oliveira

3 Questions 3 Answers 0 Followers

Questions related from Jean Oliveira

Correlation matrix between response variables: what are the requirements?

I want to run a correlation matrix analysis between multiple response variables. The data was obtained from the operation of a continuous bioreactor over a 330 days period, but the operating...

30 October 2021 6,844 4 View

Colorimetric determination of total aromatic amines: why do we add dimethylamino-benzaldehyde and citrate?

Hi all, I came across a method for determination of total aromatic amines that uses the following mixture: - HCl 1 M - Ethanol - p-dimethylamino-benzaldehyde 5% in ethanol - 15.7% citric acid in...

14 November 2020 5,255 0 View

Determination of aniline using LC-ESI-MS: is there a problem with my standard stock solution?

I am developing a method for simultaneous determination of aniline and azo dyes in the effluent of a bioreactor. However, I am obtaining weird results for aniline. It seems the signal keeps...

01 December 2019 9,504 6 View