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Gold / Quartz Specific Gravity... Question

IronDigger
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geof_junk Gold Contributor

geof_junk

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Hydrofluoric acid (HF) is a strange acid. It does not give you any 'warning pain' when you get it on your skin, but is deadly once it gets in. Back in 1981 I can remember Work using many 1000's of gallons of HF to remove the milling scale on a large Boiler. It arrived in steel road tankers not what most people expected. HF really likes Silica so don't store it in glass.

Not HF but a link to the most strongest acid .......The Strongest Acid

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