What is the removal rate for chlorate via reverse osmosis (RO)?

What is the removal rate or percentages for chlorate via reverse osmosis (RO)? please let me know of any papers in the field of #chlorate #removal via #RO

06 July 2019 1,690 4 View

Any work done of removal of low levels of PFOS from drinking water using RO membranes?

Any work done of removal of low levels of PFOS from drinking water using RO membranes? All the 5 papers i found were testing high levels - not typical - I am looking to see the efficiency of RO...

03 April 2019 5,867 8 View

What test can differentiate between O3, H2O2, and S2O8(2-) all being present in one solution?

What test can differentiate between O3, H2O2, and S2O8(2-) all being present in one solution? I have read many methods like to use KI or to use KMnO4 or Ferrous.... but in literature, all 3...

04 May 2016 7,977 7 View

How can I measure Resorcinol using HPLC?

How can I measure Resorcinol using HPLC but while trying to delay the retention times for few minutes because it elutes very early after only 3-4 min? This is accompanied by several peaks between...

11 December 2015 9,618 8 View

What is the name of the nitrogen based functional group of Carbamazepine?

What is the name of the nitrogen based functional group of Carbamazepine? It is not an amine and not an amide because -C=O is connected to 2 Nitrogens whereas this carbon in amides is connected to...

31 December 2014 867 1 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

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

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 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

What are the most relevant MSc proposal topics for Petroleum Production Engineering at the moment?

I am a Petroleum Production Engg MSc student at Robert Gordon University in Aberdeen and I am in the process of selecting a topic for my MSc Engineering Investigation proposal. I would very much...

01 March 2021 7,396 4 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View