On 02/08/18 10:49, Thomas Prufer wrote:
On Wed, 1 Aug 2018 22:50:55 +0100, John Rumm
wrote:

DS3 is not HCL, but sulfamic acid (H3NSO3), generally safe on metals,
although may dull chrome on prolonged exposure.

Zinc gets eaten by pretty much everything, though.

I found a patent, including this language: "Even at room temperature Islamic
acid

WTF is Islamic acid?

Stuff you throw in peoples faces?



--
"A point of view can be a dangerous luxury when substituted for insight
and understanding".

Marshall McLuhan