Arfa Iqbal

4 Questions 3 Answers 0 Followers

Questions related from Arfa Iqbal

I prepared membrane using immersion precipitation technique but why my PVDF membrane is weak?

I am working on nanofiltration for different dyes removal. I synthesized pure pvdf membrane through immersion precipitation technique but it is quite weak (can be torn when taken in hand)....

07 December 2021 4,394 3 View

Can SDI (Silt Density Index) meter be used for complete membrane filtration study?

SDI meter possesses both flow meter and pressure gauge. We just have to add our membrane in the membrane holder. My concern is that can we use this meter for membrane filtration study (to measure...

21 November 2021 1,976 4 View

Can we also perform COD (Chemical Oxygen Demand) test on surface water samples?

I know COD is basically a wastewater quality parameter and it is a measure of presence of organic matter in wastewater. My research work is based on surface water treatment and therefore; my query...

29 March 2021 7,143 11 View

What is the exact method for the preparation of synthetic surface (Fresh) water sample?

Of course, I have to add all relevant chemicals contributing towards salts and heavy metals addition in water. I am a bit confused with the properties of chemicals to be added. All chemicals to be...

06 July 2019 8,421 1 View