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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 ∷ Gadolinium（钆）
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Gadolinium（钆）

Gadolinium（钆）

Nominal
  Mass

Accurate
  Mass

% Natural
  Abundance

Chemical
  Form

Enrichment
  Available %


152 Gd

151.919786 (4)

0.20 (1)

oxide

30 - 34+


154 Gd

153.920861 (4)

2.18 (3)

oxide

64 - 67+


155 Gd

154.922618 (4)

14.80 (12)

oxide

90 – 92+


156 Gd

155.922118 (4)

20.47 (9)

oxide

93 - 95+


157 Gd

156.923956 (4)

15.65 (2)

oxide, chloride

87 - 99+


158 Gd

157.924019 (4)

24.84 (7)

oxide

97+


160 Gd

159.927049 (4)

21.86 (19)

oxide

98+


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Nominal
  Mass

Accurate
  Mass

% Natural
  Abundance

Chemical
  Form

Enrichment
  Available %


152 Gd

151.919786 (4)

0.20 (1)

oxide

30 - 34+


154 Gd

153.920861 (4)

2.18 (3)

oxide

64 - 67+


155 Gd

154.922618 (4)

14.80 (12)

oxide

90 – 92+


156 Gd

155.922118 (4)

20.47 (9)

oxide

93 - 95+


157 Gd

156.923956 (4)

15.65 (2)

oxide, chloride

87 - 99+


158 Gd

157.924019 (4)

24.84 (7)

oxide

97+


160 Gd

159.927049 (4)

21.86 (19)

oxide

98+


钆同位素具有捕捉任何元素热中子的最高横截面，这主要是由于Gd-157（255000 barn）和Gd-155（61000 barn）的高横截面。天然钆目前用作核燃料中的可燃毒物，但仅建议使用Gd-155/157，因为这将产生更有效的可燃毒物。Gd-152用于生产放射性Gd-153，用于骨质疏松症研究和骨密度测量。Gd-160用于双β衰变研究。