Lead sulfide: Difference between revisions
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(Created page with "{{Compound|name=lead sulfide|chemf=PbS|mm=239.3|density=7.60|mp=1118|bp=1281|stp_p=solid|stp_q=black|nfpa_h=2}} ==Uses== ===Primary=== * Source of lead by smelting ===Seco...") |
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Lead sulfide, when heated in an oxidizing environment, becomes lead sulfate. Lead sulfate, when heated, gives off [[sulfur dioxide]], which may be useful in making [[sulfuric acid]]. The remaining [[lead (II) oxide]] may be [[reduction (metallurgy)#Carbothermic reduction|carbothermically reduced]] to form elemental [[lead]]. | Lead sulfide, when heated in an oxidizing environment, becomes lead sulfate. Lead sulfate, when heated, gives off [[sulfur dioxide]], which may be useful in making [[sulfuric acid]]. The remaining [[lead (II) oxide]] may be [[reduction (metallurgy)#Carbothermic reduction|carbothermically reduced]] to form elemental [[lead]]. | ||
==Prodution== | ==Prodution== | ||
==Purification | ==Purification== | ||
==Testing== | ==Testing== | ||
==Storage== | ==Storage== | ||
Revision as of 16:12, 27 June 2019
| Chemical formula | PbS |
|---|---|
| OTP appearance | black solid |
| Molar Mass(g/mol) | 239.3 |
| Density(g/cc) | 7.60 |
| Melting Point(°C) | 1118 |
| Boiling Point(°C) | 1281 |
| NFPA 704 |  0
2
0
|
Uses
Primary
- Source of lead by smelting
Secondary
- Semiconductor
- Natural detector
- Natural LED
- Side product in acetic anhydride manufacture
Natural occurrence
- Occurs as the mineral galena
Hazards
Character
Oxidation
- More at Galena under smelting
Lead sulfide, when heated in an oxidizing environment, becomes lead sulfate. Lead sulfate, when heated, gives off sulfur dioxide, which may be useful in making sulfuric acid. The remaining lead (II) oxide may be carbothermically reduced to form elemental lead.
Prodution
Purification
Testing
Storage
Disposal
See Also
References
- ↑ Abdel-Rehim, A. M. (2006) "Thermal and XRD analysis of Egyptian galena".
Journal of Thermal Analysis and Calorimetry 86(2)