The active trivalent form of metal is used as a biological additive.

It also forms stable organic compounds in its trivalent (+3) and pentavalent (+5) states.

IIV is available in quadrivalent (QIV) and trivalent (TIV) forms.

Arsenic also forms stable organic compounds in its trivalent (+3) and pentavalent (+5) states.

Chromium released in the distribution system may be in either the trivalent or hexavalent form.

From the metal industry gets chrome mainly in the trivalent form in the water.

These novel cathodes comprise a silver material that is doped with a Irivalent species.

The trivalent form of arsenic is considerably more toxic than the pentavalent form.

The oxyfluorosulphide corresponds to the formula Ln3S2F3O wherein Ln represents at least a trivalent rare earth.

The trivalent form of arsenic is considerably more toxic than the pentavalent form.

Little information has been reported on the trivalent form of chromium, and available data, mainly relating to mixtures with Cr(VI) and Cr(III), show little or no toxicity associated with the trivalent form.

SK Chemicals has commercialized both trivalent and quadrivalent cell culture-based influenza vaccines since 2015.

Using this technology, SK Chemicals has commercialized both trivalent and quadrivalent cell culture-based influenza vaccines since 2015.

According to the report, SK Chemicals has commercialized cell-culture–based trivalent and quadrivalent flu vaccines since 2015.

Red and orange-red emitting long persistence phosphors based on strontium sulfide and activated with a divalent rare earth such as europium, can be made by heating in the presence of an ammonium halide, or a trivalent rare earth.