Can any one explain the pressure range in column chromatography?
I want to evaporate solvent (MDC+WATER) under vacuum in an ATFE. My ATFE dimensions are height 4m and ID 0.5m. I want to go as low as 200 mbar. I want to use liquid ring vacuum pump for this...
08 September 2017 8,722 0 View
In Ternary diagram of L-L Extraction there is a binodal curve inside it. What does it actually signify (What information do I get from it?)? How to read it? Also is it obtained experimentally or...
02 March 2017 3,716 0 View
What is the impact on heat duty of condenser or any heat ex-changer if it is over designed?
31 December 2016 6,035 3 View
How can I calculate the N2 flow rate knowing pressure in pipe and diameter of Pipe? There is 5KL tank of N2 having 4 kg/cm2 pressure. This tank has 1" pipe through which N2 is supplied to plant....
09 October 2016 7,575 7 View
What is the % recovery of IPA by normal distillation if I have a mixture of 50% IPA & 50% water?
06 July 2016 7,132 7 View
What is the difference between SMB and moving bed reactor?
04 May 2016 1,301 2 View
How can I say the mixture of A and B is going to form an azeotrope?
08 September 2015 9,741 10 View
I have a lean mixture which is colorful and solid. I do not know what all components are present in it? How can I get to know the components of the lean mixture?
08 September 2015 10,014 1 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
One of my friends, every night after falling asleep, his mouth would make a creaking sound after chewing something. This teeth grinding condition would continue until he woke up, and he didn't...
08 August 2024 1,366 5 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...
08 August 2024 9,882 2 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.
07 August 2024 4,526 4 View
I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...
06 August 2024 4,611 0 View
Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...
06 August 2024 977 1 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View
