Re: [Histonet] Chromic Acid Disposal

2019-04-15 Thread RAY KOELLING via Histonet
I agree with all these chemical means of disposal or management of wastes and toxic compounds. But hope anyone, as has been mentioned on many occasions by others, please check with your LOCAL waste/sewer/environmental/water entity. Having worked a bit in Florida, California, Washington and

Re: [Histonet] Chromic Acid Disposal

2019-04-15 Thread Tyrone Genade via Histonet
Hello, For the disposal of Chromic acid see https://www.chemistry.nus.edu.sg/PSSO/safety/Special%20Chemical%20Waste.htm and https://study.com/academy/lesson/chromic-acid-solution-preparation-disposal-hazards.html (more detailed). You can precipitate the chrome as Cr(III) and store this solid

Re: [Histonet] Chromic Acid Disposal

2019-04-12 Thread Perl , Alison via Histonet
-Original Message- From: Terri Braud via Histonet [mailto:histonet@lists.utsouthwestern.edu] Sent: Friday, April 12, 2019 1:32 PM To: 'histonet@lists.utsouthwestern.edu' Subject: [EXTERNAL] Re: [Histonet] Chromic Acid Disposal The best thing to do would be to contact either your city

Re: [Histonet] Chromic Acid Disposal

2019-04-12 Thread Terri Braud via Histonet
The best thing to do would be to contact either your city chemist or the state EPA inspector to be sure to be in compliance with all local regulations. A reducing agent, such as sodium metabisulfite, sodium sulfite or sodium thiosulfate can be used to turn CrO3 into the less toxic Cr(III)