Ali Baddouh

2 Questions 8 Answers 0 Followers

Questions related from Ali Baddouh

How to prepare potassium dichromate to calculate the chemical oxygen demand by the open reflux method?

The protocol is as follows: In a test tube: - 2.5 ml of sample- 3.5 ml of sulphuric acid 36 N-1.5 ml Potassium dichromate My question how to prepare the Potassium dichromate solution to from these...

10 March 2016 2,135 3 View

Can anyone Help me about working electrode?

i'm used SnO2 but i have a problem with the Potentiel? Please if someone can help me to give some ideas. And where can I buy BDD electrode

01 February 2016 9,427 11 View