A March article appearing in National Geographic breathlessly headlined that “Ocean Acidification Rate May be Unprecedented, Study Says.” It asserts that “The world’s oceans may be turning acidic ...

Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

Saliva that is properly pH balanced (6.2 to 7.6) helps maintain a healthy mouth and protect your teeth. The acronym pH stands for potential hydrogen. It’s used to describe the chemical acidity level ...

In a recent study published in the Journal of Food Protection, researchers investigated the effects of antimicrobial variables, including storage temperatures, pH, and ethanol concentrations, on ...

In what could be a great boon for countries like India, scientists from the Cambridge University have developed a mobile phone application that can accurately measure colour-based or colorimetric ...

Barley seedlings (Hordeum vulgare cv. 'Gaulois') were precultured hydroponically for 4 d on nutrient solutions with nitrate (3 mM) as N-source at pH 4.7, and were then transferred to solutions with ...

Okayama University researchers describe in the journal Optics Express the use of Terahertz (THz) chemical microscopy to measure the pH of water-based solutions with a volume as small as 16 nL. The ...