Andrea Luca Tasca

5 Questions 4 Answers 0 Followers

Questions related from Andrea Luca Tasca

Can the sonication efficiency be considered uniform inside an ultrasound bath?

Referring to an ultrasound device (sonica 2200 soltec, ultrasound frequency:40 kHz) we know the efficiency of cavitation of 300 mL water placed in 1 becker inside the sonication bath (3 L volume)....

15 July 2019 2,928 2 View

Hydrophobic silica particles, 0,2 mm size; how cast them on a nylon membrane?

nylon membrane was coated with PVDF/silica suspension, and placed in oven at 90 degrees, but silica seems not adhere. Casting on nylon membrane is not mandatory; the target is create a layer with...

24 April 2017 1,521 1 View

GC-MS: how would you improve the program?

The instrument is GC-MS with autosampler equipped with S B Zebron column (5% Phenyl-Arylene, 95% Dimethylpolysiloxane 30m*0.25mm*0.25micron), that should be very similar to the SPB 5 (5% Phenyl...

27 May 2016 5,753 5 View

Hydrophilic silica aerogels: it is the structure preserved after immersion in water?

The question is related to hydrophilic silica aerogels with or without calcium and magnesium in granular form. I'd also like to know if there are chemical modification useful to preserve the...

11 January 2016 4,318 1 View

Water pollutants: what are actually the most dangerous for the environment+most problematic to eliminate?

A list of 5 to 10 of the specific pollutants or family of pollutants, on which could be useful and urgent improve adsorption technologies.

11 January 2016 5,416 10 View