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CAS 7440-47-3

:

Cromo

Descrizione:
Cromo, con il numero CAS 7440-47-3, è un metallo di transizione noto per la sua alta resistenza alla corrosione e durezza. Ha un numero atomico di 24 ed è rappresentato dal simbolo Cr nella tavola periodica. Cromo presenta una lucentezza metallica grigio argento ed è principalmente trovato in natura sotto forma di minerale di cromite. È caratterizzato dalla sua capacità di formare vari stati di ossidazione, con +3 e +6 che sono i più comuni nei composti. Cromo è ampiamente utilizzato nella produzione di acciaio inossidabile e altre leghe, migliorando la loro resistenza e resistenza all'ossidazione. Inoltre, gioca un ruolo cruciale nella produzione di pigmenti, come l'ossido di Cromo, che conferisce colori vivaci a ceramiche e vernici. In termini di reattività chimica, Cromo può reagire con l'ossigeno e altri non metalli, formando ossidi e altri composti. Sebbene sia essenziale in quantità traccia per le funzioni biologiche, alcuni composti di Cromo, in particolare il Cromo esavalente, sono noti per essere tossici e cancerogeni, richiedendo un'attenta manipolazione e regolamentazione.
Formula:Cr
InChI:InChI=1S/Cr
InChI key:InChIKey=VYZAMTAEIAYCRO-UHFFFAOYSA-N
SMILES:[Cr]
Sinonimi:
  • Alpaste RRA 030
  • Alpaste RRA 050
  • BioChrome
  • BioChrome (feed additive)
  • Chrom
  • Chrome
  • Chromium
  • Chromium Coating Quality Balzers 0.7-3.5 Mm
  • Chromium chips (99.8%)
  • Chromium crystallites (99.99%)
  • Vedi altri sinonimi
Ordinare per

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prodotti per pagina.54 prodotti.
  • Chromium crystallite pieces, 2-15mm (0.08-0.59in), 99.996% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.996%
    Colore e forma:Chunks/pieces, 2-15 mm (0.08-0.59 in.)
    Peso molecolare:52.00

    Ref: 02-010453

    50g
    Prezzo su richiesta
    10g
    117,00€
  • Chromium powder, -10+20 mesh, 99.996% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.996%
    Colore e forma:Powder, -10+20 mesh
    Peso molecolare:52.00

    Ref: 02-010452

    25g
    Prezzo su richiesta
    100g
    Prezzo su richiesta
    5g
    95,00€
  • Chromium sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.95%
    Colore e forma:Silvery gray, Sputtering target, 76.2mm (3.0in) diameter x 6.35mm (0.250in) thick.
    Peso molecolare:52.00

    Ref: 02-040845

    1ea
    Prezzo su richiesta
  • Chromium pieces, 3-12mm (0.12-0.47in), 99.2% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.2%
    Colore e forma:Pieces, 3-12mm
    Peso molecolare:52.00

    Ref: 02-000472

    100g
    117,00€
    500g
    472,00€
  • Chromium powder, APS <10 micron, 99.2% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.2%
    Peso molecolare:52.00

    Ref: 02-041797

    50g
    90,00€
    250g
    274,00€
    1kg
    784,00€
  • Chromium sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis)

    CAS:
    Magnetron sputtering source
    Formula:Cr
    Purezza:99.95%
    Colore e forma:Silvery gray, Sputtering target, 50.8mm (2.0in) diameter x 3.18mm (0.125in) thick.
    Peso molecolare:52.00

    Ref: 02-040842

    1ea
    Prezzo su richiesta
  • Chromium pieces, 2-8mm (0.08-0.31in), 99.99% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.99%
    Peso molecolare:52.00

    Ref: 02-014760

    50g
    180,00€
    250g
    688,00€
  • Chromium cubes, typically 6.35mm (0.25in) square, 99.95% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.95%
    Colore e forma:Gray, cube, typically 6.35mm (0.25in) square.
    Peso molecolare:52.00

    Ref: 02-042310

    250g
    Prezzo su richiesta
    10g
    61,00€
    50g
    200,00€
  • Chromium granules, -4+7 mesh, 99.999% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.999%
    Colore e forma:Granules,
    Peso molecolare:52.00

    Ref: 02-042926

    250g
    Prezzo su richiesta
    50g
    263,00€
  • Chromium pieces, irregular, 99% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99%
    Peso molecolare:52.00

    Ref: 02-010150

    100g
    85,00€
    500g
    229,00€
  • Chromium powder, -60 mesh, 99.95% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.95%
    Colore e forma:Powder
    Peso molecolare:52.00

    Ref: 02-044556

    100g
    150,00€
    500g
    541,00€
  • Chromium powder, -100+325 mesh, 99.97% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.97%
    Colore e forma:Grey, Powder
    Peso molecolare:52.00

    Ref: 02-035668

    10g
    144,00€
    50g
    471,00€
  • Chromium powder, -200 mesh, 99.94% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.94%
    Colore e forma:Gray, Powder
    Peso molecolare:52.00

    Ref: 02-013796

    25g
    132,00€
    100g
    351,00€
    500g
    1.285,00€
  • Chromium cubes, 12.5mm (0.492in) square, 99.97% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.97%
    Colore e forma:Cubes, 12.5mm (0.492in) square.
    Peso molecolare:52.00

    Ref: 02-010149

    1ea
    Prezzo su richiesta
    5ea
    Prezzo su richiesta
  • Chromium pieces, 1-25mm (0.04-1in), 99.99% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Purezza:99.99%

    Ref: 02-043066

    1kg
    Prezzo su richiesta
    250g
    Prezzo su richiesta
    50g
    133,00€
  • Chromium chunks, 2-15mm (0.08-0.59in), 99.996% (metals basis)

    CAS:

    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

    Formula:Cr
    Purezza:99.996%
    Colore e forma:Chunks, 2-15 mm (0.08-0.59 in.)
    Peso molecolare:52.00

    Ref: 02-044565

    10g
    Prezzo su richiesta
    50g
    345,00€
  • Chromium pieces, electrolytic, 6mm & down, Puratronic™, 99.997% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.997%
    Colore e forma:Metallic grey, Pieces, ≤6 mm
    Peso molecolare:52.00

    Ref: 02-010151

    100g
    Prezzo su richiesta
    25g
    191,00€
  • Chromium powder, -100 mesh, 99% (metals basis)

    CAS:
    Apparent density 2.0-3.0g/cm3
    Formula:Cr
    Purezza:99%
    Colore e forma:Powder, -100 mesh
    Peso molecolare:52.00

    Ref: 02-010147

    10g
    44,00€
    100g
    113,00€
    500g
    373,00€
    2kg
    1.213,00€
  • Chromium powder, -325 mesh, 99% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99%
    Colore e forma:Powder, -325 mesh
    Peso molecolare:52.00

    Ref: 02-010148

    2kg
    Prezzo su richiesta
    100g
    Prezzo su richiesta
    500g
    Prezzo su richiesta
  • Chromium pieces, 2-3mm (0.08-0.12in), 99.995% (metals basis)

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci
    Formula:Cr
    Purezza:99.995%
    Colore e forma:Metallic grey, 2-3 mm along the width, broken plate irregular pieces
    Peso molecolare:52.00

    Ref: 02-038494

    50g
    135,00€
    250g
    454,00€