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Food additive informaiton updated.
1.EU
The gold as food additive are only approved for use in certain food, and the practical laws and requirements may differs from each member states.[1]:
quantum satis , only decoration of chocolates.
quantum satis , only liqueurs.
quantum satis , only external coating of confectionery.
2.U.S.
There are no gold approved for use as food additive or substance in food.[2][3][4]
Indeed. I have removed the former third paragraph, only salvaging its single reference that wasn't already in the first paragraph and putting it there. In general this article has some tendency to be repetitive: it really needs a rewrite, but for such an important element nothing less than the best would be required. Double sharp (talk) 02:59, 4 April 2018 (UTC)[reply]
Semi-protected edit request on 26 April 2018
This edit request has been answered. Set the |answered= or |ans= parameter to no to reactivate your request.
Please change the following line: "The concentration of free electrons in gold metal is 5.91×1022 cm3" to "The concentration of free electrons in gold metal is 5.91×1022 cm-3" because the unit of concentration was incorrectly written, concentrations being expressed in reciprocal volume instead of just volume alone. MrTomBosma (talk) 07:50, 26 April 2018 (UTC)[reply]
Please insert the following sentence between "most of this gold was shipped to Spain.[78].." and "..However, for the indigenous peoples of North America":
One account of this conflicts given by Juan de Velasco describes that, in 1599 in the town of Logroño, the chief Quíruba auxiled by the Jivaroan peoples executed the governor of Macas pouring molten gold down his throat in revenge of a new tribute.[1][2]
I justify the request because (i)it is a good example of a conflict/resistance caused by the gold and (ii)present a historical document of priceless value. 187.35.183.135 (talk) 05:42, 26 May 2018 (UTC)[reply]
The seawater figures need a bit of expounding:
10 parts per quadrillion (= 10g/km³) is 10 parts per 10^15. (ok so far).
And (later) 64 ppb is 64 parts per 10^9, and the samples at 0.004 ppb is 4 parts per 10^12.
So, this is means the Fritz Haber figures (and “the literature prior to 1988”) were 3 orders of magnitude more, and the (1900) values are 6 orders more.
120.16.28.112 (talk) 12:21, 21 June 2018 (UTC)MBG[reply]
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,_early_1900s,_Central_Africa,_Democratic_Republic_of_the_Congo,_Pende_people,_wood,_fiber_-_Cleveland_Museum_of_Art_-_DSC08700.JPG){kind=small}
Done Thank you! Double sharp (talk) 10:32, 26 April 2018 (UTC)
Not done: The requested text is not grammatical or understandable English and in any event, historical curiosity is not necessarily notable Eggishorn (talk) (contrib) 05:46, 26 May 2018 (UTC)