Inorganic Chemistry Book?

Hello everyone. I need an inorganic chemistry book named 'Selected Topics in Inorganic Chemistry' written by Wahid U. Malik, G.D. Tuli, and R.D. Madan. I will appreciate it if someone helped....

31 December 2020 7,156 3 View

What is the EPA/WHO Maximum Residual Limit (MRL) for pesticides in food?

I searched on internet to find out the MRLs values for pesticides in food but not found any authentic data, can anyone please share link or pdf file of EPA/WHO MRLs standard for pesticides in food.

12 November 2020 5,015 8 View

How to resolve base line issue in GC-MS/MS?

In GC-MS/MS pesticide analysis the base line is neither starting from zero nor it is straight even it is fluctuating from peak to peak. Baseline also vary when changing selected ions in SIM scan....

23 September 2020 6,306 4 View

How we can eliminate background signals/noise in GC-MS/MS?

In GC-MS/MS I run the pesticide mix standard (in Acetonitrile) using SIM mode in which sharp well seperated peaks appeared, but there are ups and downs in base line. The same problem comes when...

08 September 2020 3,935 6 View

Is it possible for single analyte to show two peaks at different retention times in GC-MS/MS?

19 August 2020 3,736 3 View

For what reasons a Peer Review of an article can be rejected/cancelled or called back by a member of the editorial team of a journal?

Some times it happens that the Peer Reviewers take a long time to reply to editor's request to review or to actually review an article sent to them for review. The Reviewer may have conflict of...

14 July 2020 9,221 3 View

X-tremeGENE X RNAiMAX lipofectamine Transfection Reagent?

Dear all, Our lab is considering purchasing the X-tremeGene lipofectamine reagent (Roche), but as we've always used the RNAiMAX for our siRNA transfections, we are a bit concerned with the...

04 March 2020 3,771 3 View

What type of optical behaviour of refractive index abd dielectric function is considered a good behaviour??

02 December 2019 5,444 1 View

Is there any bandgap criteria for perovskites use in solar cells.Is 1.6 eV or 1.042eV good band gap for PSCs?

i am currently trying different dopants to increase the band gap.The band gap of pure perovskite is 1.5eV

18 October 2019 8,827 4 View

Suggestions for ICP-MS/OES paid analysis provision ??

Dear Scholars, I need to know is there any possible lab, institute or organisation in world providing economical ICP-MS/OES based elemental analysis of soil and plant samples. I need to get my...

08 July 2019 3,830 3 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

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View