16 Questions 17 Answers 0 Followers
Questions related from Shilpi Das
Activated carbon is prepared from lignocellulosic biomass using ZnCl2 as the activating agent. What is the possible reaction between zinc chloride and the biomass?
03 March 2018 9,491 4 View
For maintaing pH of heavy metal NaOH and HCl is added in a dropwise manner to the solution. But how can a buffer be used for maintaining the pH of the solution? Kindly give vivid explanation.
02 February 2018 8,281 4 View
Suppose I have prepared initial concentration of 10ppm(100 ml). After maintaining pH (2-6) by 1M NaOH and 1M HCl , it's original concentration decreases to a great extent, so what can be the...
01 January 2018 9,711 3 View
Suppose we are preparing 30 ppm sample and then maintain its pH by 1M NaCl or 1M HCl. I have seen that the concentration of the sample reduces a lot after maintaining pH. So, what is the purpose...
12 December 2017 1,617 3 View
Langmuir corresponds to monolayer adsorption whereas BET denotes multilayer adsorption. So, what is the reason behind Langmuir surface area to be greater?
07 July 2017 2,510 8 View
The curve yielded the features of Type 1 isotherm but the adsorption capacity continues to increase with an increase in relative pressure. So is my assumption correct regarding the type of...
06 June 2017 2,074 8 View
The Boehm titration of ZnCl2 activated carbon indicated basic sites of 0.525 mmol/g and 0.85 mmol/g phenolic groups with -0.19 mmol/g and -0.26 mmol/g lactonic and carboxylic groups. The total...
06 June 2017 4,898 1 View
The activated carbon was prepared by impregnating zinc chloride with the raw sample. I have carried out zero point charge by salt addition method and obtained a value of 7.03. Is it correct?
05 May 2017 8,339 6 View
I want to determine the zero point charge of activated carbon. So which is the best suitable method for it and is it neccessary to degasify the solution while measuring the final pH in order to...
04 April 2017 8,720 3 View
In Boehm titration, degasifying the acidified samples is an important step and there are various carbon dioxide expulsion methods. So will it be possible to remove carbon dioxide completely...
04 April 2017 631 1 View
I am facing problems while confirming whether the journal is Sci indexed or not. Some journals of elsevier publications are having no impact factor but they are having SCImago Journal Rank. So...
12 December 2016 9,932 4 View
I have prepared the activated carbon from an agricultural waste by chemical activation. I am facing problems while doing cost evaluation. Please give me some idea regarding cost evaluation.
12 December 2016 5,374 0 View
What is the difference between SNIP and impact factor of a journal ?
10 October 2016 1,615 2 View
After performing the experiment i have seen that in some cases iodine no increases with increase in activation time for a constant temperature as well as impregnation ratio but in some...
08 August 2016 2,934 3 View
I am using Box-Behnken Design in RSM for optimization. In the ANOVA for response surface Quadratic model I am getting pure error 0 ie sum of squares and mean square is zero due to which there is...
07 July 2016 4,462 2 View
In agricultural waste
06 June 2016 5,947 8 View
