Obafemi Obajemihi

8 Questions 23 Answers 0 Followers

Questions related from Obafemi Obajemihi

Dear respected scholars, which sample should be used as a reference for dried samples when determining colour difference?

Please in support of the question, I needed to determine colour change for my dried tomato samples with different treatments. Samples colour properties such as lightness and redness increased...

29 October 2021 1,635 5 View

How do i determine the concentration of nitrite (NO2) in 30 mg/L of NaNO2?

Dear Esteemed Researchers, a portable device was recently procured in my lab. that can determine the concentration of Nitrite (NO2) in treated water. To calibrate the device a standard solution of...

27 July 2021 6,274 2 View

Dear esteemed researchers, please suggest a portable hand held device that can measure amount of Nitrite and hydrogen peroxide available in water?

Separate device for Nitrite and H2O2 can be suggested. Or if there is one that has dual functionality. Thanks

08 July 2021 5,332 5 View

Does ascorbic acid content (mg/100 g) decreases with higher absorbance values?

Ascorbic acid of both fresh and dried samples from UV Spectrophotometer were analyzed, and after plotting the calibration curve and applying the absorbance values, it was observed that higher...

13 May 2021 232 6 View

In the text which is correct way to refer to a figure e.g Figure 1a or Figure 1A?

I have seen for example, Figure 1a popularly used how about using Figure 1A? In addition does same also applies to Table ? Thanks.

04 October 2020 9,681 4 View

Does colour difference delta E, always increases with increase in drying-air temperature?

I dried tomato samples in a hot-air dryer, varying the air temperature at 3 levels, 45, 55 and 65oC. Result obtained showed that samples dried at 45oC had the lowest colour difference as expected...

22 June 2020 3,538 2 View

Is it possible to factor in Food properties during simulation involving CFD?

Considering COMSOL application.

28 April 2020 7,434 2 View

Is model reduction acceptable, for example if there are many insignificant terms?

Quadratic model of RSM having some terms that are not significant can i use backward regression to eliminate those terms to make the model have better goodness of fit? Is this procedure acceptable...

03 April 2020 7,697 3 View