Limewater

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Merilyn1
Posts: 883
Joined: 12 Mar 2013, 08:10
Job Title: Labbie
School: Wollondilly Anglican College
Suburb: Tahmoor
State/Location: NSW

Re: Limewater

Post by Merilyn1 » 11 Sep 2019, 11:46

Slightly different here but I do the same as Sunray and Wayne mentioned (from years ago). So I have a stock solution which is what I have made using the instructions in The Laboratory (also previously mentioned) and I have one or two working solution bottles. I carefully pour the liquid from the stock bottle into the working bottle - I stop once I see the bottom layer of calcium hydroxide start to get stirred up. I send the working solution into the class, the stock solution stays in the chem store.
If I decant any, I refill the stock bottle with water, give it a shake and let it settle again before using.

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remlap12
Posts: 236
Joined: 26 Jun 2014, 12:23
State/Location: NSW

Re: Limewater

Post by remlap12 » 11 Sep 2019, 12:37

Merilyn1 wrote:
11 Sep 2019, 11:46
Slightly different here but I do the same as Sunray and Wayne mentioned (from years ago). So I have a stock solution which is what I have made using the instructions in The Laboratory (also previously mentioned) and I have one or two working solution bottles. I carefully pour the liquid from the stock bottle into the working bottle - I stop once I see the bottom layer of calcium hydroxide start to get stirred up. I send the working solution into the class, the stock solution stays in the chem store.
If I decant any, I refill the stock bottle with water, give it a shake and let it settle again before using.
I do the same, Merilyn. :thumbup:
Regards
remlap12
science support and problem solver :mail:

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