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Questions related from Parashuram Sahoo
Distilled water is slightly acidic - pH being 5.5 to 6 because of CO2 absorption. Moreover it does not contain any minerals. Hence can one use such water for drinking.
05 May 2016 6,076 4 View
While using purifying system with RO for collecting drinking water, the water in many cases shows very low conductivity even less than 30 microS/cm. So TDS is much less. Whether such water is...
05 May 2016 800 14 View
I have developed a new class of sensors called pulsating sensors. The main criteria in such type of sensors is they work purely in digital domain. The sensor output is a train of rectangular...
01 January 2016 1,493 4 View
In one news paper I came across a news article regarding controlling diabetes by lady's finger. The methodology is described below. Cut a lady's finger vertically. Remove all inner materials seeds...
03 March 2015 8,703 20 View
Pt electrodes are preferred choice for conductivity measurements. Why some manufacturers prefer to use graphite as conductivity electrodes?
10 October 2014 9,535 7 View
I am looking for an online measurement technique for the moisture at a few ppm level present in argon gas passing through a pipeline. GC is the most appropriate technique for such application. Is...
09 September 2014 5,018 3 View
Generally glass pH electrode is considered as most suitable electrode for accurate determination of pH. But it cannot be used when solution temperature exceeds 80 deg.C. I am looking for a...
12 December 2013 5,883 24 View
Most of the glass electrodes recommended for pH measurement do not work well while measuring pH of high purity water. They work well in buffer solutions and other aqueous solutions not for high...
11 November 2013 1,077 22 View
At two extreme ends of D2O concentrations IR is generally used but not in intermediate concentration ranges. In intermediate concentration ranges the accuracy is poor. What is the reason?
08 August 2013 9,022 3 View
Using ordinary pH glass electrodes, one encounters problems in pH measurement when the solution pH is about 1 or above 12. In such cases, acid and alkali errors come on the way. A few electrodes...
05 May 2013 8,743 3 View
The particular oxidation state of uranium will inform the selection of the appropriate analytical technique for the assay of uranium in water.
05 May 2013 1,500 9 View
If one measures cell constant using 0.01N KCl and 0.001N KCl the values differ. When cell constant is fully governed by the geometry of the electrode, why does such a difference arise?
05 May 2013 5,042 10 View
In the case of very low ionic strength solution such a problem arises. Some specific brand of Metrohm is generally used. I want to know if any other brand will meet the purpose?
04 April 2013 6,365 6 View
I find difficulty to analyse each chemical species in the aerosol samples collected during a controlled sodium fire. Though I have developed technique for quantitaive determination of NaOH, Na2CO3...
04 April 2013 8,888 3 View
At such a low level, if you consider the cell constant approach as determined by using KCl standards, it may not be accurate in low level measurement.
02 February 2013 6,170 9 View
Through literature survey, I came across that apple cider vinegar helps in controlling arthritis and it also helps in reducing high blood pressure. The patients who are suffering from RA or HBP...
01 January 1970 8,069 3 View
