Roberto Aguado

4 Questions 15 Answers 0 Followers

Questions related from Roberto Aguado

How to know if complexed Mn(II) has been (air-)oxidized to Mn(III)?

We have synthesized a polymer that attains a fairly good removal of manganese ions from synthetic waters contaminated with MnCl2. After many tests, we have deemed it a decent adsorbent. All in...

15 May 2024 1,688 2 View

Is TiO2 nanopowder (10-100 nm) suitable for papermaking?

Frequently, when TiO2 (anatase or rutile) is used as filler for papermaking, particle size ranges from 0.2 to 0.5 microns. Our regular suppliers, however, sell TiO2 nanopowder, whose particle size...

07 June 2015 722 2 View

On the specifications needed for the replicability of centrifugation

Sometimes, centrifugation is reported in terms of angular velocity (rpm) and time, which obviously makes it impossible to replicate by other research teams unless they've got the same (or a quite...

01 January 1970 8,552 3 View

On the addition of internal standard in HS-SPME

In Sigma-Aldrich's FAQ regarding SPME fibers: https://www.sigmaaldrich.com/analytical-chromatography/sample-preparation/spme/faq.html You can read that the technique is quantitative, as long as...

01 January 1970 7,749 5 View