The Geochemistry of Stable Chlorine and Bromine Isotopes
The Geochemistry of Stable Chlorine and Bromine Isotopes
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DOI：
10.1007/978-3-642-28506-6
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发表时间：
2014-08
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影响因子：
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通讯作者：
H. Eggenkamp
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作者：
H. Eggenkamp
vi主要以氯和溴的i氧化态存在于地球上，因此对其他轻稳定同位素施加较大同位素分馏作用的氧化还原过程大多不存在。测量到的同位素比值范围很少超过10‰，所有已发表的氯和溴同位素测量值中约80%在国际公认标准（海洋氯化物和海洋溴化物）的- 1‰至+ 1‰之间。最后，我在这本书中描述了在测量地质样品时所观察到的氯和溴同位素的变化。这不仅包括对地球上的氯和溴样本的测量，还包括对陨石、月球上的岩石样本等地外物质的测量，以及对火星等地外天体的现场测量。此外，样品具有不同的氧化状态，如高氯酸盐和有机分子在这里提出。这一版新增了对恒星和星际空间氯同位素比值测量的讨论。当然，这么大的一本书不可能由一个作者轻松完成。我很幸运，从1988年5月开始获得博士学位，到2022年12月结束最后的学术合同，我能够长期在卤素同位素地球化学发展的前沿工作。这离不开我的老师和资深合作者的热情，其中最重要的是Rob Kreulen， Guus Koster van Groos, Max Coleman, Pierre aginier， josessour Manuel Marques和Michael Marks。多亏了他们，我才得以在欧洲不同国家的知名机构进行研究。由于我从2023年起不再在学术机构工作，我非常感谢乌得勒支大学，特别是Jack Middelburg教授（巧合的是，他是我1994年发表的第一篇论文的合著者），他允许我使用大学图书馆的数字访问权限，使我能够真正访问到仍在发表的非开放获取科学论文。我也非常感谢Pierre Agrinier，他是第一个阅读完整的、完成的手稿并对手稿提出许多改进建议的人。最后，我非常感谢我的妻子尼娜，她一直支持我的国际工作，在过去的大部分时间里，她都不在家，她继续支持我撰写第二版。虽然自2023年以来我又回到了家，但我的大部分空闲时间都在写第二版，因此，在一起过家庭生活并不总是那么容易。妮娜，鞋跟很湿，我穿了一件衣服，我穿了一件衣服，我穿了一件衣服，我穿了一件衣服，就像最近的一件衣服一样。参与氯和溴同位素研究的实验室数量从来都不是很多。我相信这个数字在任何时候都不会超过10到15。希望本书提供的数据将进一步增加对氯和溴同位素研究的兴趣，并希望更多的实验室将认识到在氯和溴同位素研究中投入时间和资源的机会可以得到健康的回报。几乎每个同位素实验室都有这种设备，只要少量采用和少量投资，每个同位素地球化学家都可以成为卤素同位素社区的一员。
vi predominantly present on Earth in the-I oxidation state as chloride and bromide, and as a result oxidation-reduction processes that impose large isotope fractionation on other light stable isotopes are mostly absent. The range of measured isotope ratios rarely goes beyond 10‰, and about 80% of all published chlorine and bromine isotope measurements are between− 1‰ and+ 1‰ of the internationally accepted standard (ocean chloride and ocean bromide). Finally, I describe in this book the chlorine and bromine isotope variations that have been observed during the measurement of geological samples. This includes not only measurements on chlorine and bromine samples from Earth, but also extra-terrestrial material such as meteorites, rocks sampled on the moon, and in-situ measurements on extra-terrestrial bodies like Mars. Also samples with different oxidation states such as perchlorates and organic molecules are presented here. New in this edition is the discussion on chlorine isotope ratio measurements made of stars and interstellar space. Of course a book this size could not be easily written by a single author. I was lucky enough to have been able to work on the forefront of halogen isotope geochemical developments for a long time, from the start of my PhD appointment in May 1988 until the end of my final academic contract in December 2022. This was not possible without the enthusiasm of my teachers and senior collaborators, the most important of which were Rob Kreulen, Guus Koster van Groos, Max Coleman, Pierre Agrinier, José Manuel Marques, and Michael Marks. Thanks to them I was able to conduct my research at various renowned institutions in different countries in Europe. Since I am no longer working at an academic institution since 2023 I am very thankful to Utrecht University, especially to Prof. Jack Middelburg (coincidentally co-author on my first published paper from 1994), for allowing me to have digital access to the library of the University, so that I was able to actually access the non-open access scientific papers that are still being published. I also am very thankful to Pierre Agrinier for being the first to read the complete, finished manuscript and suggest many improvements to the manuscript. Finally, I am very grateful to my wife, Nina, who always supported me in my international jobs, being away from home most of the years past and for her continued support in writing this second edition. Although being home again since 2023, most of my free time I was working on writing this second edition, and for that reason it was not always easy to live a family life together. Nina, heel veel dank voor je geduld en je steun en je liefde al deze tijd, vooral in de moeilijke laatste paar jaren. The number of laboratories that have been involved in chlorine and bromine isotope studies has never been very large. I believe the number has hardly been more than ten to fifteen worldwide at any given time. It is hoped that the data provided in this book will further increase the interest in the study of chlorine and bromine isotopes and that more laboratories are going to realise the opportunities that investing time and resources in the study of chlorine and bromine isotopes can give a healthy reward. The equipment is present in virtually every isotope laboratory and with only small adoptions and a small investment every isotope geochemist who wishes can become part of the halogen isotope community.