Mikhail Sergeevich Balashov

3 Questions 4 Answers 0 Followers

Questions related from Mikhail Sergeevich Balashov

Iodine number (iodine value, IV) determination: how does iodine excess affect accuracy of iodine number determination?

Hello, dear colleagues! I make a ~0.1 M solution of iodine monochloride (with additional iodine*) in glacial acetic acid and utilize it for iodine value determination of commercially available...

01 April 2022 1,400 0 View

Dissolving AN-MA-IA copolymer in 50 % w/w sodium thiocyanate water solution. What is the white residue forming after polymer dissolved?

Dear colleagues! Recently I tried to dissolve commercially available samples of PAN precursors (acrylonitrile-methyl acrylate-itaconic acid terpolymers) in water solutions of sodium thiocyanate...

18 October 2020 6,259 4 View

50-100 μm polystyrene particles. How to yield particles of size?

Dear colleagues! I had to yield polystyrene particles of specified size 50-100 μm (at least 60-80% mass of initial monomer) by means of one-stage polymerization. I have chosen to utilize...

01 January 1970 3,492 2 View