chemically bound

There is also no significant release of chemically bound water.

Something in it contains a small amount of chemically bound water.

In these conditions, gold was chemically bound to the rock, and very difficult to remove.

We then say that they are chemically bound to each other.

It is not bound chemically and is called free water.

The second and sneakier way is to carry chemically bound oxygen.

Upon impact the ions may interact with and chemically bind to species present at the surface.

The water content consists of adsorbed and chemically bound water.

Some species, such as carbon monoxide, will chemically bind to the surface of a cathode material.

Often the minerals are present, but are chemically bound to other elements that make them unavailable for consumption.