Hi all,
If in the CSIS Package it is telling me to "Neutralise" a chemical, what do i do?
Does it depend on the chemical?
First chemical i looked up for disposal.....Acetic Acid. Says neutralise before disposing down the sink.
Neutralise with what and how?
Please help!!
Neutralising Chemicals
Re: Neutralising Chemicals
Add universal indicator to the solution to be neutralised. See what the pH is. If the solution is an acid with a low pH (1-6) add an alkali to make the pH 7 and if it's a base (pH 8-13) add some acid to make it pH 7
For example, 0.1M HCl solution pH about 1. Add universal indicator. Add NaOH until the solution becomes green -pH 7 (neutral).
0.1 NaOH solution pH about 10. Add universal indicator. Add HCl until the solution becomes green - pH7 (neutral).
Once it is neutral it can be poured down the sink.
For example, 0.1M HCl solution pH about 1. Add universal indicator. Add NaOH until the solution becomes green -pH 7 (neutral).
0.1 NaOH solution pH about 10. Add universal indicator. Add HCl until the solution becomes green - pH7 (neutral).
Once it is neutral it can be poured down the sink.
Re: Neutralising Chemicals
Thank you so much AnnNos!!
- rae
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Re: Neutralising Chemicals
I neutralise acids with sodium carbonate. A bit gentler to use than NaOH. I add Na2CO3 until it stops fizzing then flush down the sink.
Re: Neutralising Chemicals
Thanks Lorrae. That sounds easy enough.
- Labbie
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Re: Neutralising Chemicals
We also use the cheap Sodium Carbonate, as we go through so much, for Neutralising. Best way to go.
Regards Labbie
Lab Manager/Lab Tech, mind reading etc etc
Now retired
Lab Manager/Lab Tech, mind reading etc etc
Now retired
-
- Posts: 4
- Joined: 10 Aug 2016, 09:45
- State/Location: VIC
Re: Neutralising Chemicals
Hi Guys,
I am New in this field.
How do I track the CSIS Package?
Can someone give me the exact website.
Thanks
Regards
I am New in this field.
How do I track the CSIS Package?
Can someone give me the exact website.
Thanks
Regards
Re: Neutralising Chemicals
sonia are you independant or DET school?