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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.
  • 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.
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Mercury(汞)

Mercury(汞)

Nominal
  Mass

Accurate
  Mass

% Natural
  Abundance

Chemical
  Form

Enrichment
  Available %


196 Hg

195.965807 (5)

0.15 (1)

metal

30+


198 Hg

197.966743 (4)

9.97 (20)

metal

91+


199 Hg

198.968254 (4)

16.84 (22)

metal, oxide

91+


200 Hg

199.968300 (4)

23.10 (19)

metal, oxide

77 - 98+


201 Hg

200.970277 (4)

13.18 (9)

metal

84


202 Hg

201.970617 (4)

29.86 (26)

metal, oxide

96 – 99+


204 Hg

203.973467 (5)

6.87 (15)

oxide

42+


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Nominal
  Mass

Accurate
  Mass

% Natural
  Abundance

Chemical
  Form

Enrichment
  Available %


196 Hg

195.965807 (5)

0.15 (1)

metal

30+


198 Hg

197.966743 (4)

9.97 (20)

metal

91+


199 Hg

198.968254 (4)

16.84 (22)

metal, oxide

91+


200 Hg

199.968300 (4)

23.10 (19)

metal, oxide

77 - 98+


201 Hg

200.970277 (4)

13.18 (9)

metal

84


202 Hg

201.970617 (4)

29.86 (26)

metal, oxide

96 – 99+


204 Hg

203.973467 (5)

6.87 (15)

oxide

42+


汞同位素主要用于研究汞在陆地和水生生态系统中的沉积和排放。在加拿大的一项实验中,使用了三种不同的汞同位素(Hg-198、Hg-200和Hg-202),以了解汞进入生态系统的途径如何影响鱼类中积累的汞量。其他几项使用汞同位素的试验正在或已经在美国和加拿大的湖泊中进行。Hg-202还用于生产用于伽马辐射校准的放射性Hg-203。