Ali Farhat

12 Questions 14 Answers 0 Followers

Questions related from Ali Farhat

Anyone aware of any publication on Drone Strategy in water sampling covering the regulatory requirements as well?

29 January 2020 8,510 0 View

What Water Quality (e.g. for Wastewater) is required for use in Underground Mining Operation?

I am looking for the required #water #quality levels/criteria for a "non-drinking" water (or #recycled #wastewater) that should not be exceeded when using that water for #mine #operations? Any...

12 December 2019 6,902 3 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...

12 April 2019 6,419 7 View

What is the best techniques to destroy/degrade PFAS? Especially PFOS!?

27 February 2018 7,928 5 View

How to measure / detect Resorcinol on LC-MS/MS?

I'm trying to develop method for Resorcinol Detection on LC-MS/MS but it seems it is nasty and sticks on the column just like phenol. The machine has an Alltima C18 Column, 250×4.6 mm, particle...

12 July 2016 7,594 2 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...

06 May 2016 5,544 6 View

Is there any Free Active Chlorine at pH 2 or lower?

The free activated chloride is a mixture of Cl2, HOCl, and OCl- where the distribution of the three components is mainly defined by the pH. At pH 2, Cl2 is 50% and HOCl is 50%, where HOCl...

25 January 2016 5,704 3 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...

14 December 2015 6,384 8 View

Does anyone know the reaction rate constant of Acetone with Sulfate radicals (SO4*-)?

The reaction rate constant of Acetone with Hydroxyl radicals (*OH radicals) is 1.1 x 10^8 M-1.s-1. Does anyone know the reaction rate constant of Acetone with Sulfate radicals (SO4*-)? If you...

03 February 2015 3,277 4 View

Can sulfate radicals be produced electrochemically on the anode and/or at the cathode?

Usually high voltages and very rigid electrodes are supposedly required for such a production; but is there any papers discussing the production of sulfate radicals electrochemically?

02 September 2014 3,130 3 View

What is the most convenient way to quantify radicals (such as hydroxyl radicals, sulfate radicals, nitrate radicals)?

I need this information to study the kinetics of removal of certain organic compounds.

05 June 2014 3,027 7 View

Anyone aware of any publication on Drone Strategy in water sampling covering the regulatory requirements as well?

01 January 1970 9,592 0 View