Secure and Prepared Newsletter, June 3, 2010, Vol. 6, no. 11

A bi-weekly newsletter for those involved in the fields of homeland security and/or emergency management

Secure and Prepared Newsletter, June 17, 2010, Vol. 6, no. 12

A bi-weekly newsletter for those involved in the fields of homeland security and/or emergency management

Fate of nickel ion in (II-III) hydroxysulphate green rust synthesized by precipitation and coprecipitation

In order to investigate the efficiency of sulfate green rust (GR2) to remove Ni from solution, GR2 samples were synthesized under controlled laboratory conditions. Some GR2 samples were synthesized from Fe(II) and Fe(III) sulfate salts by precipitation. Other samples were prepared by coprecipitation, of Ni(II), Fe(II) and Fe(III) sulfate salts, i.e., in the presence of Ni. In another sample, Ni(II) sulfate salt was added to pre-formed GR2. After an initial X-ray diffraction (XRD) characterization all samples were exposed to ambient air in order to understand the role of Ni in the transformation of the GR2 samples. XRD was repeated after 45 days. The results showed that Nious GR2 prepared by coprecipitation is isomorphous to Ni-free GR2, i.e. Ni is incorporated into the crystalline structure. Fe(II) was not replaced by Ni(II) in the crystalline structure of GR2 formed prior to exposure to solution-phase Ni. This suggests Ni was adsorbed to the GR2 surface. Sulfate green rust is more efficient in removing Ni from the environment by coprecipitation.

Secure and Prepared Newsletter, July 1, 2010, Vol. 6, no. 12

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Secure and Prepared Newsletter, July 15, 2010, Vol. 6, no. 14

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Secure and Prepared Newsletter, July 29, 2010, Vol. 6, no. 15

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Secure and Prepared Newsletter, August 26, 2010, Vol. 6, no. 16

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Secure and Prepared Newsletter, September 9, 2010, Vol. 6, no. 17

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Reflections on pre-Uralic and the "Saami-Finnic protolanguage"

Vastine Pekka Sammallahden artikkeliin Language and roots Congressus internationalis Fenno-Ugristarum (1995): Congressus octavus internationalis Fenno-Ugristarum, Jyväskylä 10.-15.8.1995. - Jyväskylä : Moderatores. ISBN 952-90-6684-8. Pars 1 : Orationes plenariae et conspectus quinquennales, s. 143-153

Secure and Prepared Newsletter, September 23, 2010, Vol. 6, no. 18

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Secure and Prepared Newsletter, October 7, 2010, Vol. 6, no. 19

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Secure and Prepared Newsletter, October 21, 2010, Vol. 6, no. 19

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Secure and Prepared Newsletter, November 4, 2010, Vol. 6, no. 21

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Secure and Prepared Newsletter, November 18, 2010, Vol. 6, no. 22

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Secure and Prepared Newsletter, December 2, 2010, Vol. 6, no. 23

A bi-weekly newsletter for those involved in the fields of homeland security and/or emergency management