by iodometric titration
Organic Synthesis. My student has been trying iodination of arenes (our goal is to iodinate p-phenylenediamine) following these literature procedures: 1. Synthesis 2004, No. 11, 1869-1873 using...
16 July 2024 6,630 1 View
In most colorimetric determinations of methylglyoxal, there is neutralization using saturated potassium carbonate, and perchloric acid is added to the final reaction. I would like to understand...
23 June 2024 2,074 0 View
Take 70 mL of water from the source (under a stream) in a beaker, pour into an Erlenmeyer flask, add 2 mL of starch solution and immediately titrate with iodine solution in KJ until a blue color...
17 June 2024 1,002 2 View
I'm following a paper for their HPLC methodology, but I'm having a hard time understanding how to make mobile phase A. To quote: "Mobile phase A is a mixture containing 0.2% potassium dihydrogen...
13 June 2024 8,321 1 View
formulate Phosphorus 52 and Potassium 34 in liquid
03 June 2024 7,589 2 View
Still alive but new info from last hospitalization a week ago. Per Endo ... Covid remapped the electrolyte panel. A high potassium 5.5 actually is low and the patient needs K+ Blood glucose at...
21 May 2024 4,780 0 View
I did qualitative assay on agar plates with starch as sole carbon source for checking amylase activity, once I added iodine the clear zone appeared arround the colonies but after some hours and...
13 May 2024 6,529 2 View
Amount of fruit powder used 0.15g; final volume of the extract was 100 ml and I have done my experiment in flame photometer. I did not know how to convert 45ppm in mg/100g. Please help me?
10 May 2024 3,173 0 View
I am running MFC systems and I see, after long periods of operation, that all the ferricyanide ions have been reduced to ferrocyanide (by color change from yellow to transparent). How can I...
22 April 2024 7,736 0 View
How can I study the interaction between polymer (eg PVA) and iodine computationally?
15 April 2024 3,231 2 View