Search found 3 matches
- 20 Mar 2024, 12:08
- Forum: Chemistry and Labware - General
- Topic: Agar, Phenolphthalein AND Potassium Hexacyanoferrate(iii)??
- Replies: 6
- Views: 9379
Re: Agar, Phenolphthalein AND Potassium Hexacyanoferrate(iii)??
Does anyone know about the disposal of ferroxyl solution and also after the nail part?
- 13 Mar 2024, 09:02
- Forum: Chemistry and Labware - General
- Topic: Waste from Redox Reactions
- Replies: 2
- Views: 2935
Waste from Redox Reactions
What is the consensus on disposal of waste produced from reacting: a) dilute potassium dichromate (0.1M), sulfuric acid (0.05M) and potassium iodide (0.1M), with starch added as an iodine indicator (a black solid, presumably iodine complexed with the starch is present)? b) dilute potassium permangan...
- 30 Jun 2023, 09:10
- Forum: Chemistry and Labware - General
- Topic: Copper sulphate and iron filings
- Replies: 2
- Views: 4082
Copper sulphate and iron filings
Hi everyone, I just started a new job as lab tech and I've been having issues with chemical waste. The kids are dissolving copper sulphate in warm water and adding iron filings into the solution. We get a brown precipitate which I filtered and dried, but I'm not sure if I can dispose it in the rubbi...