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  • 质谱及核磁配套用通用型仪器、耗材和试剂的居间服务商，亦包括咨询及培训服务。     Intermediate service provider of general  instruments, consumables and reagents for mass spectrometry and nuclear magnetic resonance,incl consulting and training.
  • 质谱及核磁配套用通用型仪器、耗材和试剂的居间服务商，亦包括咨询及培训服务。     Intermediate service provider of general  instruments, consumables and reagents for mass spectrometry and nuclear magnetic resonance,incl consulting and training.
  • 质谱及核磁配套用通用型仪器、耗材和试剂的居间服务商，亦包括咨询及培训服务。     Intermediate service provider of general  instruments, consumables and reagents for mass spectrometry and nuclear magnetic resonance,incl consulting and training.
索引与类别
 
网站首页 ∷ 索引与类别 ∷ 稳定同位素金属 ∷ Germanium（锗）
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Germanium（锗）

Germanium（锗）

Nominal
  Mass

Accurate
  Mass

% Natural
  Abundance

Chemical
  Form

Enrichment
  Available %


70 Ge

69.9242497 (16)

20.84 (87)

metal

95 – 96+


72 Ge

71.9220789 (16)

27.54 (34)

metal, oxide

82 – 97+


73 Ge

72.9234626 (16)

7.73 (5)

metal

95 – 96+


74 Ge

73.9211774 (15)

36.28 (73)

metal, oxide

94 to 99+


76 Ge

75.9214016 (17)

7.61 (38)

metal, oxide

96 - 98+


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Nominal
  Mass

Accurate
  Mass

% Natural
  Abundance

Chemical
  Form

Enrichment
  Available %


70 Ge

69.9242497 (16)

20.84 (87)

metal

95 – 96+


72 Ge

71.9220789 (16)

27.54 (34)

metal, oxide

82 – 97+


73 Ge

72.9234626 (16)

7.73 (5)

metal

95 – 96+


74 Ge

73.9211774 (15)

36.28 (73)

metal, oxide

94 to 99+


76 Ge

75.9214016 (17)

7.61 (38)

metal, oxide

96 - 98+


锗同位素主要用于生产医用砷和硒放射性同位素。Ge-74用于生产As-74，Ge-76用于生产As-77，Ge-74用于生产As-73，Ge-72用于生产As-72。Ge-70、Ge-72和Ge-74均可用于生产医用放射性同位素Se-73，尽管最常见的生产路线是通过天然As（As-75）。天然GeF4用于半导体预非晶化植入过程。GeF4形式的Ge-72的使用改善了这一过程并减少了污染。最后，用Ge-76研究了双β衰变。