13 Questions 16 Answers 0 Followers
Questions related from Nazanin Hamnabard
Hi Dear Hi, dear. I have attached a figure. I want to determine the band gap energy from the Tauc plot. I have drawn tow lines on the figure, as you can see. Could you please tell me which line...
11 August 2025 1,709 3 View
How can I analysis Arsenic (3) and Arsenic (5) in water using ion chromatography? which method is the best?
12 October 2024 3,125 3 View
Hi I ANALYSISED anion and cation of water ( ca, Mg, Na,K, NO3,SO4, F,PO4,Cl) using ICP and IC. I got the ion balance error is higher than 5%. I don't why this happened? Could you give me your idea ?
29 January 2024 3,061 8 View
Hi every body I am using ion chromatography for analysis of water samples. these samples are surface water. I got the concentration of anion ( NO3, Cl, SO4) and Cations ( Na, Ca, Mg, K). Then I...
03 September 2023 2,724 2 View
Hi every one Which is the best treatment process for removal heavy metal (As, 10-30Microgram /lit concentration) and Fe (20-80 Microgram /lit )? The effluent flow rate is about 5 m3/s. I will be...
02 May 2023 1,599 2 View
I was working on Microbial Fuel Cell (MFC) and was a little puzzled by the high power density for the Pt/C cathode. We saw that the Anode potentials were quite near -500 mV, which is more...
10 September 2016 2,518 1 View
I did electro chemical experimental based on Impedance and CV, I found the conductivity my sample is low (low ESR in high frequency) and capacitance from CV of the same sample is high in compering...
26 November 2015 1,880 5 View
How can I measure BET analysis for TiO2 films? Is there any special preparation for it or not? I measured BET of TiO2 films , but there was no data? what should I do?
06 November 2014 4,438 5 View
Can anyone help for calculation of capacitance from the Charge discharge curve as attached file. I used the EC-lab for calculation dv/dt ( slope) and (I.dt/dv.m) but found the value...
27 October 2014 360 24 View
I want to calculate of capacitance of electrode by CV, following by formula I should calculate the integrated area in a CV plot as I, but I use the CHI program for getting CV and It is not able...
09 July 2014 9,023 30 View
I prepared non doped PbTe and Yb, Nd doped PbTe by hydrothermal method, then I found the bandgap energy increases by enhancing level doped , the particle size of them is same (PbTe and doped...
06 March 2014 1,994 8 View
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13 December 2013 5,281 1 View
I want to work on GO synthesis by Hummers or modified Hummers or improved. I reviewed some papers but each paper reported something different (oxidation time is 1/4/6 h or 3 days or 5 day, some...
06 December 2013 2,212 21 View
