How to calculate CFM of a vacuum Pump?

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 8,573 0 View

What is the significance of Binodal curve represented in Liquid liquid extraction ternary diagram? And how to obtain it?

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 3,597 0 View

What will happen if a condenser is overdesigned?

What is the impact on heat duty of condenser or any heat ex-changer if it is over designed?

31 December 2016 5,948 3 View

How to calculate the Nitrogen flowrate knowing pressure in pipe line and pipe diameter?

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 7,385 7 View

What is the % recovery of IPA by normal distillation if I have a mixture of 50% IPA & 50% water ?

What is the % recovery of IPA by normal distillation if I have a mixture of 50% IPA & 50% water?

06 July 2016 7,041 7 View

Can any one explain about simulated moving bed reactor and its applications?

What is the difference between SMB and moving bed reactor?

04 May 2016 1,196 2 View

How to confirm the formation of an azeotrope?

How can I say the mixture of A and B is going to form an azeotrope?

08 September 2015 9,639 10 View

What are different methods to find out components present in an unknown compound?

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 9,924 1 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

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03 March 2021 5,360 2 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View