Tags » Acids

Which is the actual neutral pH? Acids and bases

No, 5.5 is not the neutral pH. When asked about an acid, most would say it’s a corrosive liquid that’d make a hole through any material. 282 more words


How old is hydrochloric acid?

Asks an old paper by Ladislao Reti. From the journal Chymia, vol. 10, 1965, pages 11-23.

He runs through the usual well known sources of recipes for hydrochloric acid, such as Basil Valentine, De re Metallica etc, and ends up with a mid- 15th century Italian manuscript which is part of a work on dyeing, colours and the decorative arts. 359 more words


Chemistry Honors - Classes 14 & 15


  • Period B: Monday, February 2nd / Tuesday, February 3rd
  • Period D: Monday, February 2nd / Wednesday, February 4th
  • Period G: Tuesday, February 3rd / Wednesday, February 4th…
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A Quick & Easy Post on Acids: Why, Which, How

In my forays throughout the K-beauty bloggerverse, I’ve come across some really useful posts on skin acidity which has drastically changed my individual skin regimen. Two of the most detailed and powerful pieces on this subject can be found on… 809 more words