However, water comes from different sources, like tap water or river water. These water samples have other substances dissolved in them. They might show up as slightly acidic or slightly alkaline ...

The pH scale measures the acidity or alkalinity of a substance, ranging from 0 to 14, with values below 7 representing acidity, above 7 representing alkalinity, and 7 representing neutrality.

Acid/base indicators are described and used to identify substances as acids or bases. Indicators and the pH Scale: Acid/base indicators are described and used to identify substances as acids or bases.

in 1909 S.P.L Sorenson, a Danish biochemist devised a scale known as pH to represents the H + ion concentration of an aqueous solution. The pH value of any solution is a number that simply represents ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I remember learning about acids and bases (or ...

Your Vox Membership goes further this holiday season. When you buy an annual membership, we’ll give one to someone who can’t afford access. It’s a simple way for you to support Vox’s journalism and ...

Google today honours Danish biochemist Soren Peder Lauritz Sorensen for his revolutionary work in introducing to the scientific community, the concept of the pH scale. The pH scale is a concept that ...

The Google Doodle continues its tradition of honouring obscure but important figures from history, today celebrating Danish chemist S.P.L. Sorensen. You may not have heard of Søren Peder Lauritz ...

Defining “basic” is anything but. While basicness is commonly understood as a binary, close scrutiny—in the form of a weekend on Long Island—has reminded me that this is far from the case. Like ...