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The grain per gallon (gpg) is a unit of water hardness defined as 1 grain (64.8 milligrams) of calcium carbonate dissolved in 1 US gallon of water (3.785412 L). It translates into 1 part in about 58,000 parts of water or 17.1 parts per million (ppm). Also called Clark degree (in terms of an imperial gallon).
A box of .38 Special (9.1 mm) cartridges that have 148-grain (9.6 g) bullets. Grains are commonly used to measure the mass of bullets and propellants. [11] [12] In archery, the grain is the standard unit used to weigh arrows. [13] In North America, the hardness of water is often measured in grains per U.S. gallon (gpg) of calcium carbonate ...
Parts per million (ppm) is usually defined as 1 mg/L CaCO 3 (the definition used below). [20] It is equivalent to mg/L without chemical compound specified, and to American degree. Grain per gallon (gpg) is defined as 1 grain (64.8 mg) of calcium carbonate per U.S. gallon (3.79 litres), or 17.118 ppm.
The dry gallon, also known as the corn gallon or grain gallon, is a historic British dry measure of volume that was used to measure grain and other dry commodities and whose earliest recorded official definition, in 1303, was the volume of 8 pounds (3.6 kg) of wheat. [1]
Many folks opt to aim for the nice, square number of 1 gallon of water a day (for reference, 2.7 liters equal about 0.7 gallons), so we looked into the health benefits of drinking that much H20 ...
The imperial bushel established by the Weights and Measures Act 1824 described the bushel as the volume of 80 avoirdupois pounds of distilled water in air at 62 °F (17 °C) [citation needed] or 8 imperial gallons. [1] This is the bushel in some use in the United Kingdom. Thus, there is no distinction between liquid and dry measure in the ...
This is what happened when I swapped out my usual Perrier and iced coffee for a whole lot of water—sixteen cups per day, to be exact. In fact, studies show that the average man should actually ...
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