The chemistry and scope of terbium and terbium compounds is reviewed here. We manufacture all these compounds and in most instances with these rare earth products , it is important to know the method of manufacture, solubilities, assays and trace impurities.
Rare earth compounds were named not
because the individual rare earth elements are rare but because
each individual rare earth element rarely exists as a single
element but a s a mixture of rare earth elements.
Terbium was discovered in
1843 by Swedish chemist
Carl Gustaf Mosander, who detected it as an impurity in
yttrium oxide, Y2O3, and named after the
village Ytterby in Sweden. It was not isolated in pure form
until the recent advent of ion exchange techniques.
The composition of monozite
ore is the basis for rare earth impurities found in terbium
compounds and the level of impurities is directly related to the
separation and source of these ores. The richest current commercial sources of terbium are the
ion-adsorption clays of southern China. The high-yttrium
concentrate versions of these are about two-thirds yttrium oxide
by weight, and about 1% terbia. However, small amounts occur in
bastnäsite and monazite, and when these are processed by
solvent-extraction to recover the valuable heavy lanthanides in
the form of "samarium-europium-gadolinium concentrate" (SEG
concentrate), the terbium content of the ore ends up there.
Due to the large volumes of bastnäsite processed, relative to
the richer ion-adsorption clays, a significant proportion of the
world's terbium supply comes from bastnäsite.
Level of
impurities:
99.9%(REO)
1000ppm total rare
earth oxide impurities
99.99%(REO)
100ppm total rare
earth oxide impurities
99.999%(REO)
10ppm total rare
earth oxide impurities
99.9999%(REO)
1ppm total rare
earth oxide impurities
For a certificate
of analysis for any of these products ordered contact:
techservice@rareearthproducts.com
Terbium chloride, bromide and nitrates are isolated as the hexahydrates and are very soluble in water. Anhydrous halides are also available. Terbium acetate is somewhat soluble in water. (It is important to work with the manufacturer of your rare earth products because in the case of acetates the solubility varies widely depending on the method of manufacture and reaction conditions.
A new exciting terbium compound is terbium trifluoroacetate which is very soluble in water and has new uses as a catalyst in organic synthesis. Terbium oxalate, carbonate and sulfate are insoluble in water and exist as a defined hydrate. These compounds can also be dehydrated.
Another example of purchasing rare earth compounds from a known manufacturer is terbium fluoride. The rare earth fluorides are used in advanced material films, lens and glasses. In virtually all applications the fluoride should be carbonate free. Rare Earth Products, Inc. uses a proprietary process to make carbonate free rare earth fluorides.
Rare earth Products, Inc makes the most extensive list of rare earth metal beta diketonates. These organometallic compounds are used for MOCVD, spin coating, catalysts and NMR shift reagents to name a few advanced applications. The compounds offered include rare earth metal complexes with
acetylacetonate or 2,4-pentanedionate ACAC
hepatfluorodimethyloctanedionate FOD
hexafluoracetylacetonate HFAC
tetrametylheptanedionate TMHD
trifluroacetylacetonate TFAC
chiral ligands OPT etc.
Most of these compounds are used because of the physical vapor pressure, volatility and organic solvent solubility. Contact our technical service department to get physical data such as melting points, sublimation temperatures, solubility, boiling points, etc - techservice@rareearthproducts.com.
Rare Earth Products, Inc also manufactures the organic soluble compounds terbium 2-ethylhexanoate and terbium cyclohexanebutyrate. These metal organic compounds are soluble in organic solvents. We can also custom synthesize various rare earth p compounds by adding various ligands, dehydrating and coordinating various organic solvents to enhance non polar solubility. Contact techservice@rareearthproducts.com.
The intermetallics terbium sulfide, terbium selenide and terbium telluride are available upon request. Terbium trifluoromethanesulfonate or terbium triflate is available and useful as a Friedel -Crafts catalyst as the anhydrous salt or the hydrate. A new compound terbium thenoyltrifluoroacetonate is used as a thermal laser dye
Rare Earth Compounds Terbium
| T, 6525 | Terbium acetate hydrate, 99.99% (REO) | [ 16922-07-9 ] | 5gm | $37.00 | |
| 25gm | $175.00 | ||||
| T, 6511 | Terbium acetate, hydrate, 99.9% (REO) | [ 16922-07-9 ] | 10gm | $40.00 | |
| 50gm | $187.00 | ||||
| T, 6503K | Terbium acetylacetonate, 99.9% (REO) | [ 14284-95-8 ] | 5gm | $47.00 | |
| 25gm | $222.00 | ||||
| T, 6514 | Terbium bromide hydrate, 99.99% (REO) | 10gm | $53.00 | ||
| 50gm | $247.00 | ||||
| T, 6516 | Terbium carbonate, 99.9% (REO) | [ 100587-96-0 ] | 10gm | $42.00 | |
| 50gm | $196.00 | ||||
| T, 6526 | Terbium carbonate, 99.99% (REO) | [ 100587-96-0 ] | 5gm | $28.00 | |
| 25gm | $132.00 | ||||
| T, 6512 | Terbium chloride hexahydrate 99.9% (REO) | [ 13798-24-8 ] | 10gm | $35.00 | |
| 50gm | $162.00 | ||||
| T, 6527 | Terbium chloride hexahydrate, 99.99% (REO) | [ 13798-24-8 ] | 2gm | $26.00 | |
| 10gm | $46.00 | ||||
| T, 6523 | Terbium chloride, anhydrous, 99.9% (REO) | [ 10042-88-3 ] | 2gm | $26.00 | |
| 10gm | $91.00 | ||||
| T, 6507 | Terbium cyclohexanebutyrate, 99.9% (REO) | 1gm | $29.00 | ||
| 5gm | $136.00 | ||||
| T, 6506 | Terbium 2-ethylhexanoate, 99.9% (REO) | 2gm | $35.00 | ||
| 10gm | $165.00 | ||||
| T, 6513 | Terbium fluoride, 99.9% (REO) | [ 13708-63-9 ] | 5gm | $34.00 | |
| 25gm | $161.00 | ||||
| T, 6528 | Terbium fluoride, 99.99% (REO) | [ 13708-63-9 ] | 2gm | $26.00 | |
| 10gm | $78.00 | ||||
| T, 6504K | Terbium hexafluoroacetylacetonate, 99.9% (REO) | 1gm | $26.00 | ||
| 5gm | $110.00 | ||||
| T, 6515 | Terbium nitrate hexahydrate, 99.9% (REO) | [ 57584-27-7 ] | 5gm | $26.00 | |
| 25gm | $95.00 | ||||
| T, 6529 | Terbium nitrate hexahydrate, 99.99% (REO) | [ 57584-27-7 ] | 2gm | $26.00 | |
| 10gm | $40.00 | ||||
| T, 6517 | Terbium oxalate decahydrate, 99.9% (REO) | [ 24670-06-2 ] | 5gm | $27.00 | |
| 25gm | $128.00 | ||||
| T, 6530 | Terbium oxalate decahydrate, 99.99% (REO) | [ 24670-06-2 ] | 2gm | $26.00 | |
| 10gm | $55.00 | ||||
| T, 6510 | Terbium (III,IV) oxide, 99.99% (REO) | [ 12037-01-3 ] | 5gm | $26.00 | |
| 25gm | $46.00 | ||||
| T, 6510Q | Terbium (III,IV) oxide, 99.999% (REO) | [ 12037-01-3 ] | 2gm | $26.00 | |
| 10gm | $61.00 | ||||
| T, 6522 | Terbium phosphate, 99.9% (REO) | [ 24670-06-2 ] | 2gm | $26.00 | |
| 10gm | $74.00 | ||||
| T, 6519 | Terbium sulfate octahydrate, 99.9% (REO) | 13842-67-6 ] | 5gm | $27.00 | |
| 25gm | $128.00 | ||||
| T, 6531 | Terbium sulfate octahydrate, 99.99% (REO) | [ 13842-67-6 ] | 2gm | $26.00 | |
| 10gm | $55.00 | ||||
| T, 6518 | Terbium sulfide, 99.9% (REO) | [ 12138-11-3 ] | 1gm | $26.00 | |
| 5gm | $95.00 | ||||
| T, 6535 | Terbium trifluoroacetate, 99.9% (REO) | 1gm | $27.00 | ||
| 5gm | $127.00 | ||||
| T, 6508 | Terbium trifluoromethanesulfonate, 99.9% (REO) | [ 148980-31-8 ] | 2gm | $26.00 | |
| 10gm | $95.00 | ||||
| T, 6501K | Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)terbium, 99.9% (REO) | [ 15492-51-0 ] | 2gm | $54.00 | |
| 10gm | $252.00 |