More From encyclopedia.com
Alkaline Soil , alkaline soil Soil with a pH greater than 7.0. Degrees of soil alkalinity are recognized. The USDA lists soils with a pH 7.4–7.8 as mildly alkaline;… Ph , pH is a measure of the acidity or alkalinity of a solution. The variability of pH can have a dramatic effect on geochemical processes (e.g., weatheri… Saline-sodic Soil , saline-sodic soil Soil that contains more than 15 per cent exchangeable sodium, a saturation extract with a conductivity of more than 0.4 siemens per… Phenolphthalein , phenolphthalein A dye used as an acid-base indicator. It is colourless below pH 8 and red above pH 9.6. It is used in titrations involving weak acids… Photographer , Education and Training: Varies—see profile
Salary: Median—$26,080 per
year
Employment Outlook: Varies—see profile
Definition and Nature of the Work
P… Gravity surveying , airborne gravity survey A regional gravity survey undertaken from the air. Such surveys are now rapid and precise because of the development of gravi…
You Might Also Like
NEARBY TERMS
ob. ph.