Rafael Oliveiro

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Questions related from Rafael Oliveiro

How is a powder XRD diffractogram affected by these sample characteristics??

I have obtained four powder XRD diffractograms for NaCl: (1) smooth, flat and level surface (wrt sample holder); (2) rough surface (3) large particle size (4) low surface (wrt sample...

11 November 2017 5,627 9 View

Are endo/exo prefixes considered IUPAC nomenclature?

I am in the process of naming Diels Alder cycloaddition products, where it is necessary to distinguish between four possible structural isomers. With reference to a characteristic group, the...

11 November 2017 8,829 1 View

Are endo/exo prefixes considered IUPAC nomenclature?

I am in the process of naming Diels Alder cycloaddition products, where it is necessary to distinguish between four possible structural isomers. With reference to a characteristic group, the...

08 November 2017 7,687 1 View

How is the concentration of atmospheric NO2 calculated from the concentration of nitrite?

Resultant nitrite concentration (from NO2) was measured directly using Ion Chromatography (calibrated). Knowing this, how does one convert this value to calculate the atmospheric concentration of...

08 November 2017 2,524 4 View

What are some criteria to comment on Differential Scanning Calorimetry curves?

For example, how small should peak widths be, and is there a gauge for s/n ratio? Are there any other characteristics to look out for that is specific to DSC curves? Additionally, how can I...

08 November 2017 1,652 3 View