What does ppt mean in chemistry?

PPT is the unit of concentration measurement.

Conversion between ppmpptppb:

When indicating the solution concentration, 1ppm is1ug/ml; When expressing the content of components in solids, 1ppm is 1 microgram/gram or 1 gram/ton ... 1ppb is one thousandth of 1ppm.

One in a trillion ...

one in a million ...

Ppbpartperbillion 10 Billion ...

One trillionth of pptpartper ...

mili ...

PPmPPbPPt can't be said to be a unit when it is taken out alone, just like%, it's not a unit.

When used, it can be defined as v/vn/nm/mg/lg/m3 and so on.

PPm is -6 power of 10.

PPb is -9 power of 10.

PPt is-10 to the second power.

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