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海绵钯

Cas号:
7440-05-3
英文名称:
Palladium
MDL:
--MFCD00011167
分子式:
Pd
分子量:
106.42
别名:
钯 Precipitated palladium
产品订购:
品名 规格 包装 单价 货期
海绵钯 99.95% 1g 638元 咨询客服
性状:
灰色海绵状金属,纯净、无肉眼可见夹杂物。钯的可塑性良好,易于锻造、压延并拉成丝。钯的化学性质不活泼,在空气和潮湿的环境下均稳定,加热至高温也不易起变化;钯与稀酸不起作用,但能溶于水中。钯的吸氢能力很大。
沸点:2970℃
熔点:1554℃
密度: 12.16g/cc
质量标准:

   GB/T 1420-2004

品级Grade                        I                  II
主金属钯含量(%)             ≥99.99              99.95
杂质含量不大于(%)
Pt                            0.003                0.02
Rh                            0.002                0.02
Ir                            0.002                0.02
Ru                            0.003                0.02
Au                            0.002                0.01
Ag                            0.001                0.005
Cu                            0.001                0.005
Fe                            0.001                0.005
Ni                            0.001                0.005
Al                            0.003                0.005
Pb                            0.002                0.005
Mn                            0.002                0.005
Cr                            0.002                0.005
Mg                            0.002                0.005
Sn                            0.002                0.005
Si                            0.003                0.005
Zn                            0.002                0.005
Bi                            0.002                0.005
杂质总量不大于(%)           0.01                 0.05


备注:钯含量为百分之百减去表中所列杂质总量的余量。

高纯海绵钯:
          
主金属钯含量(%)             99.999
杂质含量不大于(%)        
Pt                            0.0001        
Rh                            0.0001        
Ir                            0.0002        
Au                            0.0001        
Ag                            0.0001        
Cu                            0.0001      
Fe                            0.0001        
Ni                            0.0001        
Pb                            0.0001        
杂质总量不大于(%)           0.001        

贮存:

用途  大量用于氢气净化装置,钯银金镍合金管或膜制成钯管束(膜)从气体中分离氢可使氢气纯度提高到九个九。钯银合金可做精密电阻,接触电阻低、耐磨、耐腐蚀,稳定性好,也用于制造电接点材料。钯银浆料用于厚膜电路制造。
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