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Author Topic: Quick Question  (Read 3342 times)

sentamantic

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Quick Question
« on: February 12, 2012, 08:36:58 PM »
I just got a bottle of 50ml 1% gold chloride from salt lake metals.Should I use  1.25ml, 2.1ml or 2.5ml to make 250ml at 50ppm using the Turkevich method.Sorry guys not good with numbers.
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Online kephra

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Re: Quick Question
« Reply #1 on: February 12, 2012, 08:51:13 PM »
The Salt Lake gold chloride is 10mg gold per 1 ml of solution, so to get 250ml of 40ppm colloidal gold, you need 1 ml.  To get 50ppm you need 1.25 ml.
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sentamantic

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Re: Quick Question
« Reply #2 on: February 12, 2012, 10:08:11 PM »
Ok,thanks Kephra
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