Red cabbage and beetroot behave like litmus to indicate acidity or alkalinity.
From the themercury.com.au
A good time to add lime to the pond to boost the alkalinity is the fall and winter.
From the al.com
It's a measure of acidity and alkalinity on a logarithmic scale from 0 to 14.
From the chron.com
It said it was taking steps to ensure that the alkalinity remained elevated.
From the post-gazette.com
Acidity and alkalinity are measured on a scale from 1 to 14, with 7 considered neutral.
From the abcnews.go.com
That water eventually flows into the ocean and increases its alkalinity.
From the upi.com
Increased alkalinity is proven to augment citraturia, a known factor for calcium stones.
From the sciencedaily.com
Western soils with high alkalinity are also famously low in magnesium.
From the ocregister.com
Did EPA follow regulations and do alkalinity testing in the first weeks after the attack?
From the scienceblogs.com
More examples
PH values above 7
Alkalinity or AT is a measure of the ability of a solution to neutralize acids to the equivalence point of carbonate or bicarbonate. The alkalinity is equal to the stoichiometric sum of the bases in solution. ...
The state of being, or the degree to which a thing is, alkaline
Measure of the amount of acid neutralizing bases.
Also more commonly called total alkalinity. A measure of the pH-buffering capacity of water. Also called the water's resistance to change in pH. Composed of the hydroxides, carbonates and bicarbonates in the water. One of the basic water tests necessary to determine water balance.
The quantitative capacity of water or water solution to neutralize an acid. It is usually measured by titration with a standard acid solution of sulfuric acid, and expressed in terms of its calcium carbonate equivalent. ...
A measurement of an alkaline rating about 7 on the PH scale.
The capacity of water for neutralizing an acid solution.
The measurement of constituents in a water supply which determine alkaline conditions. The alkalinity of water is a measure of its capacity to neutralize acids.