10 Questions 33 Answers 0 Followers
Questions related from Sirajus Salehin
As per the conventional way, I will have to analyze dried and powdered samples for XRD peaks. In this way, I wouldn't be able to examine the changes (interaction of Fe species with other species,...
22 July 2017 8,460 3 View
From previous articles, I have seen that Transmission mode gives downward peaks (if any) during FTIR analysis, while Absorption mode refers upward peaks. But for my sample, it is very confusing....
22 February 2015 3,873 7 View
In my research, I performed batch adsorption experiments on Cu (II) and Pb (II) with activated carbons prepared from oil fly ash. Now to interpret the results, I used kinetics models which showed...
28 October 2014 7,587 37 View
My experiment is about metals leaching from e-waste (PCB). To know the metals composition of my sample, I did metals digestion that was 1g of sample into 100 ml of aqua regia. Then, after...
13 June 2014 5,919 17 View
In my experiment, I used activated carbon as adsorbents, Cu (II) and Pb (II) as adsorbates, contact time 1 hr, stirring speed 120 rpm, optimum pH 5, concentration 25 ppm, adsorbent dose 0.1g/200...
30 May 2014 2,816 6 View
In a batch adsorption system, we need to take samples from the solution at different time intervals (for kinetics study) or at the end of the experiment. My question is, how should we take those...
28 May 2014 8,194 5 View
In a previous work of mine, I have measured the sound pressure level (SPL) of three different industries (steel, aluminium, garments) using a digital sound level meter (SL-5868 P). The SPL were...
23 May 2014 5,009 4 View
I have prepared activated carbons with two different physical treatment methods, i.e. CO2 activation (surface area: 269 m2/g, porosity: 0.07 cc/g) and Steam+CO2 activation (surface area: 442 m2/g,...
21 May 2014 2,717 24 View
I did an experiment on Copper and Lead precipitation at different pH levels beginning from 4 to 7. In one recent published paper, I found the precipitation of Lead at pH 7 is somewhat 84% whereas...
21 May 2014 3,096 6 View
In a webinar on activated carbon adsorption, it was mentioned that AC can adsorb organics/complex compounds with several ring formations more easily than the simple/inorganic compounds. Why is that?
01 May 2014 9,592 8 View
