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Dive into the research topics where Ian B. Butler is active.

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Featured researches published by Ian B. Butler.


Talanta | 1994

Removal of dissolved oxygen from water : a comparison of four common techniques

Ian B. Butler; Martin A. A. Schoonen; David Rickard

Four common techniques for the removal of dissolved oxygen from water have been examined: boiling at 1 atm, boiling under reduced pressure, purging with N(2) and sonication under reduced pressure. After treatment, the residual oxygen in solution was analysed by the Winkler method. Nitrogen purging for 20-40 min at flow rate of 25 mL/s was found to be the most effective oxygen removal method. Boiling at 1 atm was found to be the least effective. None of the techniques evaluated here lead to complete removal of oxygen. The concentration of residual dissolved oxygen after purging for 20-40 minutes with nitrogen is 0.2-0.4 ppm.


Archive | 2010

Experimental determination of Fe isotope fractionations in the iron-sulfide system at low temperature

Romain Guilbaud; Robert M. Ellam; Ian B. Butler; David Rickard


Archive | 2009

Experimental Study of Copper Isotope Fractionation During the Formation of Cu and Cu-Fe Sulfides in Aqueous Solutions at 40-200 °C

Marek Pekala; Dan Asael; Ian B. Butler; Alan Matthews; David Rickard


Archive | 2009

Nanoparticulate mackinawite formation; a stopped and continuous flow XANES and EXAFS investigation

Ian B. Butler; Ann Maria Bell; John M. Charnock; David Rickard; David J. Vaughan; Anthony Oldroyd


Archive | 2003

Nucleation and growth of pyrite on pyrite seeds [Abstract]

Ian B. Butler; David Rickard; Stephen T. Grimes; Anthony Oldroyd


Archive | 2003

Sulfur isotope partitioning during pyrite formation [Abstract]

Ian B. Butler; Michael E. Böttcher; R. David; Anthony Oldroyd


Archive | 2003

Botanical constraints on pyrite formation [Abstract]

David Rickard; Stephen T. Grimes; Ian B. Butler; Anthony Oldroyd; Kevin L. Davies


日本鉱物学会年会講演要旨集 | 2002

フランボイダルパイライトの内部構造に関する電顕鉱物学的研究:—特に20面体構造, ccp構造とその意義について—

弘明 大藤; 純治 赤井; David Rickard; Ian B. Butler


Child Abuse & Neglect | 2002

Re: Response to Dr. Chadwick

Jo Sibert; Heather Payne; Alison Kempe; Michelle Barber; Kim Rolfe; John Morgan; Ronan Lyons; Ian B. Butler


Archive | 1999

Trace Metals in Sedimentary Iron Sulfides: Preliminary Results

C. F. Cottnam; Ian B. Butler; David Rickard

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