
Wolfram (W)
Selvom det blev opdaget i 1779, blev wolfram først isoleret i 1883.
Ren wolfram er et gråt og hvidt metal. Det kan skæres med sav, smedes, spindes, trækkes og ekstruderes, men er skørt og noget svært at håndtere. Det oxiderer i luften, kan ikke tolerere høje temperaturer og har fremragende korrosionsbestandighed. Naturlig wolfram indeholder fem stabile isotoper, og der kendes 21 ustabile isotoper.
Wolfram og dets legeringer bruges som filamenter i elektriske lamper, elektron- og fjernsynsrør, til metalfordampningsarbejde og som elektriske kontaktpunkter for bildistributører.
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Tungsten wire, 1.0mm (0.04in) dia, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]

MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Wolframpulver, -50+100 mesh, 99+% (metalbasis), Thermo Scientific Chemicals
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten wire, 0.075mm (0.003in) dia, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten foil, 0.1mm (0.004in) thick, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten foil, 0.05mm (0.002in) thick, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten wire, 0.025mm (0.001in) dia, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten foil, 1.0mm (0.04in) thick, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Koncentration eller sammensætning (efter analyt eller komponenter) | Au 99.99% |
---|---|
MDL nummer | MFCD00011461 |
Navn note | 0.05mm (0.002 in.) dia. |
Kemisk navn eller materiale | Tungsten wire, gold plated |
Anbefalet opbevaring | Omgivende temperaturer |
Form | Wire |
Assay Procent Noter | (metalbasis) |
Vægt | ≈0.02g/m (W only), 3 to 5 wt% Au plating |
TSCA | Yes |
Procent renhed | 99.95% |
Tungsten wire, 0.25mm (0.01in) dia, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]

MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Wolframtråd, 0,5 mm (0,02 tommer) dia, udglødet, 99,95 % (metalbasis), Thermo Scientific Chemicals
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten wire, gold plated, 0.025mm (0.001in) dia, W 99.95% (metals basis), Au 99.99%
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten wire, 0.1mm (0.004in) dia, 99.95% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
Tungsten slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, 99.97% (metals basis)
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |
MDL nummer | MFCD02091751 |
---|---|
Navn note | 0.25mm (0.01 in.) dia. |
Kemisk navn eller materiale | Tungsten Rhenium wire |
Anbefalet opbevaring | Omgivende temperaturer |
Gns. Mol. Wt. eller Mol. Wt. Rækkevidde | W:Re; 97:3 wt% |
Form | Wire |
Assay Procent Noter | (metalbasis) |
Vægt | ≈1.9g/2m |
TSCA | Yes |
Procent renhed | 99.95% |
Wolframtråd, 0,05 mm (0,002 tommer) dia., udglødet, 99,95% (metalbasis), Thermo Scientific Chemicals
CAS: 7440-33-7 Molekylær formel: W Molekylvægt (g/mol): 183.84 MDL nummer: MFCD00011461 InChI nøgle: WFKWXMTUELFFGS-UHFFFAOYSA-N Synonym: wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder PubChem CID: 23964 ChEBI: CHEBI:27998 IUPAC navn: wolfram SMIL: [W]
MDL nummer | MFCD00011461 |
---|---|
PubChem CID | 23964 |
Molekylvægt (g/mol) | 183.84 |
CAS | 7440-33-7 |
ChEBI | CHEBI:27998 |
Synonym | wolfram,ion,va,tungsten, elemental,wolframium,unii-v9306cxo6g,4+ ion,tungsten, soluble compounds,tungsten, insoluble compounds,powder |
SMIL | [W] |
IUPAC navn | wolfram |
InChI nøgle | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Molekylær formel | W |