# What does PPT stand for in marine biology?

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## What does ppt stand for in marine science?

Common parts per expressions in aquatic science are parts per thousand (ppt), parts per million (ppm), and parts per billion (ppb).

## What is ppt equal to?

One part per trillion (ppt) denotes one part per 1,000,000,000,000 (1012) parts, and a value of 1012. This is equivalent to about thirty seconds out of every million years.

## How much is 35 ppt?

Salinity was formerly expressed in terms of parts per thousand (ppt) or by weight (parts per thousand or 0/00). That is, a salinity of 35 ppt meant 35 pounds of salt per 1,000 pounds of seawater. Open ocean salinity is generally in the range from 32 to 37.”

## Does ppt mean precipitate?

Precipitation is the process of a compound coming out of solution. … In precipitation, the solute particles find each other and form a solid together. This solid is called the precipitate or sometimes abbreviated “ppt”.

## What does ppt mean in biology?

A part per trillion (ppt) is a measurement of the quantity of a substance in the air, water or soil. A concentration of one part per trillion means that there is one part of that substance for every one trillion parts of either air, water or soil in which it is contained.

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## Is PPT equal to ng l?

ng/L↔ppt 1 ng/L = 1000 ppt.

## Is PPT same as PPM?

A reading of 5000 ppm is equal to a reading of 5.00 ppt. To convert ppm readings to ppt, divide the ppm reading by 1000. For example a reading of 5000 ppm = 5000 ppm/1000 = 5.00 ppt. … For example a reading of 4.00 ppt = 4.00 ppt x 1000 = 4000 ppm.

## Is ng kg equal to PPT?

ppt↔ng/g 1 ng/g = 1000 ppt.