Judith U. Okoduwa

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Questions related from Judith U. Okoduwa

What reagent can be used to stabilize a mixture of benzene, toluene, ethylbenzene and xylene?

I am plotting a calibration curve of benzene, toluene, ethylbenzene, and xylene (BTEX) in water. I have been struggling to get a good straight-line calibration curve because of the volatile nature...

13 May 2024 7,474 0 View

How do you determine selenium, arsenic and mercury by spectrophotometry?

Is using a Cold vapour generation accesory coupled to an AAS same as using a Hydride vapour generation technique to determine As, Se and Hg?

20 November 2022 5,867 5 View

How do I prepare 100g of TBAB: Decanoic acid in molar ratio 2:1, 1:1? Molar mass of TBAB= 322.37g/mol and Decanoic acid=172.26g/mol?

no of moles =mass/molar mass

03 November 2021 1,950 0 View

How do you measure the density, surface tension, freezing point, viscosity, refractive index of deep eutectic solvents?

A deep eutectic solvent is prepared by mixing a quaternary ammonium salt with metal salts or a hydrogen Bond donor such as urea to form a liquid with a melting point lower than the melting points...

17 March 2020 2,519 5 View

Why do sorbent materials from fibres form oil balls after sorbing oil?

Modified fibres were introduced into a crude oil spill and after sorbing the oil, clumps/balls were formed

01 January 1970 1,309 0 View