Dear all,

Stan Halas informed me that he supplied the original material (sphalerites)
for the production of the IAEA-S-1, IAEA-S-3 and IAEA-SO-6. The story is
that Brian Robinson did produce the final reference material (AgS: S-1 to
S-3) from the sphalerite material provided by Stan Halas ­ it was rather an
incomplete than incorrect story I gave before. I wanted to correct this to
give honour to whom deserves it.

Best wishes,
Pier.
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Delta Isotopes Consultancy

Dr. Pier A. de Groot
Pastoor Moorkensstraat 16
2400 Mol - Achterbos
Belgium
Tel. +32 (0)14 326 205
e-mail: [log in to unmask] or [log in to unmask]

Visit my WEB-site about my ³Handbook of Stable Isotope Analytical
Techniques², with a link to the Elsevier web site on the handbook (place
your order there):
http://users.pandora.be/handbook/index.html
last update: August 15, 2005
Volume I is now available. Volume II is expected to be available second half
of 2005.
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