Orwa Barakat

3 Questions 10 Answers 0 Followers

Questions related from Orwa Barakat

Stability of epoxy fatty acids under acidic conditions?

A question for chemists: Does acidity affect the stability of epoxy fatty acids during liquid-liquid extraction? In other words, if formic acid was added to Ethyl Acetate before the liquid-liquid...

09 September 2018 7,228 1 View

Does beta mercaptoethanol retain its reducing ability at PH 4.5?

extraction of proteins

07 July 2016 9,830 4 View

What is the best modifier to be used in graphite furnace atomic absorption for the determination of cobalt in pharmaceuticals?

We are trying to quantify vitamin B12 in pharmaceuticals indirectly by the quantification of cobalt ( which is present in vitamin B12). We may use the solid sampling technique. Any suggestion for...

03 March 2015 5,604 1 View