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platinum group element

The Platinum Group Element Deposits of the Bushveld Complex in South Africa205-215

The Platinum Group Element Deposits of the Bushveld Complex in South Africa205-215

... of platinum group elements (PGE) and chromium (over 80% of the world’s deposits of each according to Crowson ...cially platinum itself, are unusual in that they are largely concentrated in a single ...

11

NEW PATENTS: October 1988217-225

NEW PATENTS: October 1988217-225

... A combustion catalyst having lo-IoogA of a platinum group element and a refractory metal oxide on a monolithic support, is used for catalytic combus- tion of natural gas co[r] ...

9

Platinum Group Minerals in Eastern Brazil41-53

Platinum Group Minerals in Eastern Brazil41-53

... The platinum group metals occur in specific areas of the world: mainly South Africa, Russia, Canada and the ...of platinum group elements (PGEs) (and sometimes gold (Au)) are usually ...

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Platinum Group Metals in Glass Making186-191

Platinum Group Metals in Glass Making186-191

... stabilised platinum-rhodium alloys and excellent creep resistance ...where platinum and its alloys may be subject to contamination and subsequent failure ...unlike platinum- rhodium, it may require ...

6

Metathesis Catalysed by the Platinum Group Metals112-118

Metathesis Catalysed by the Platinum Group Metals112-118

... carbene initiators ( 4 M ).. I Enantiomeric cyclic compounds prepared by ring-closing metathesis using benzylidene o r vinylidene ruthenium complexes.. peptidomimetics) obtained [r] ...

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Metathesis Catalysed by the Platinum Group Metals168-172

Metathesis Catalysed by the Platinum Group Metals168-172

... Following on from Part II of this review in which platinum group metals catalysts takmg part in tifig-dosed metathesis reactions were consid- ered, Part III looks at th[r] ...

5

Metathesis Catalysed by the Platinum Group Metals58-66

Metathesis Catalysed by the Platinum Group Metals58-66

... transition metal complexes with free radical ligands. Valerian Dragutan is a Senior Researcher at the Institute of Organic Chemistry of the Romanian Academy. His current research inter[r] ...

9

Bicentenary of Four Platinum Group Metals182-189

Bicentenary of Four Platinum Group Metals182-189

... mainly for the discovery of osmium and iridium. Around 1793 Smithson Tennant took up resi- dence at No. 4, Garden Court in the Temple, quite close to Somerset House the then home of the Royal Society, and here he ...

8

The Periodic Table and the Platinum Group Metals114-119

The Periodic Table and the Platinum Group Metals114-119

... The version normally regarded as Mendeleev’s definitive table appeared in 1871, first printed in a Russian journal (27) and then reprinted in Annalen in the same year (Figure 3) (28). By then Mendeleev had seen Lothar ...

6

REACH Regulation and the Platinum Group Metals157-161

REACH Regulation and the Platinum Group Metals157-161

... A variety of substances (pure and impure forms of the pgms, plus chlorides, hydroxides, oxides, tetraam- mines and other pgm salts) need to be prepared for registration in such a way as to minimise unnecessary or ...

5

Membrane Catalysis and the Platinum Group Metals153-158

Membrane Catalysis and the Platinum Group Metals153-158

... The use of a membrane reactor comprising a composite palladium membrane with fixed bed catalysts based on platinum group metals and base metals was reported in a paper by T[r] ...

6

Fluorophosphine Complexes of the Platinum Group Metals86-93

Fluorophosphine Complexes of the Platinum Group Metals86-93

... The solubility of organofluorophosphine com- plexes of these metals is influenced by the organic group bonded to the phosphorus and by the general bonding state on the met[r] ...

8

Platinum Group Metal Perovskite Catalysts87-92

Platinum Group Metal Perovskite Catalysts87-92

... as a solid solution dispersed throughout the per- ovskite lattice. However, under reducing conditions and the high temperatures in the exhaust stream, the palladium segregates to form metallic nanopar- ticles (1 to 3 nm ...

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Intermetallic Compounds of the Platinum Group Metals85-89

Intermetallic Compounds of the Platinum Group Metals85-89

... Although further alloying with elements such as tungsten, titanium and nickel might well be foreseen, the interesting combination of strength, ductility and high decomposi[r] ...

5

The Environmental Profile of Platinum Group Metals111-121

The Environmental Profile of Platinum Group Metals111-121

... International Platinum Group Metals Association (IPA) carried out the first ever industry-wide life cycle assessment on platinum group metals (pgms) which included data from a majority of the ...

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Melting the Platinum Group Metals209-215

Melting the Platinum Group Metals209-215

... ‘On Platinum’, Faraday demonstrated its melting by using a ‘voltaic battery’, mentioning that “if you go into the workshops of ...rhodium, platinum and finally palladium (30). Faraday also referred to ...

7

Platinum Group Organometallics26-33

Platinum Group Organometallics26-33

... Having reviewed the literature on the ap- plication of organometallic platinum group compounds for the preparation of coatings and films via vapour phase deposition, the de[r] ...

8

New Patents: January 199147-56

New Patents: January 199147-56

... 2188,785 An electrode is manufactured by using an ion-beam mixing method to form an amorphous alloy layer con- sisting of at least one Fe group element, at least one platinum grou[r] ...

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Platinum Metal Complexes of Substituted Aryl Phosphines95-99

Platinum Metal Complexes of Substituted Aryl Phosphines95-99

... the platinum group metals, homogeneous catalysis, co-ordination and organometallic chemistry, metal cluster complexes, the. platinum group metals in organic synthesis, structure and b[r] ...

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The Chemistry of the Platinum Group Metals161-168

The Chemistry of the Platinum Group Metals161-168

... von Zelewsky and co-workers of the University of Fribourg, Switzerland, described the forma- tion of chiral co-ordination complexes using a variety of pinene based ligands:.. N&Bq[r] ...

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