is it really this easy??? if so, how come no one described it as so?
No, its even easier, and I did describe it.
I demonstrated this method on youtube years ago, but there is a quicker, easier way.
The formula is posted in my notebook.
BTW, the chemist at Salt Lake was a member here, and got the idea from the forum. The citrate method is known as the Turkevich method and has been used for 60 years. Its very slow though.