Re: C4A3S-structure

1999-02-15 Thread Thomas Dyer
Dear LK Below is the only ICSD structural data available for C4A3S. The reference is :Saalfeld H, Depmeier W Kristall und Technik, Vol 7, No. 229 Hope this is the right one. Just out of interest, do you have any references to this compound's use in Portland

Re: GSAS

1999-03-16 Thread Thomas Dyer
Hongwu, In fact, reading the instructions provided with GSAS is not much help, since NT does not use an AUTOEXEC file. The SET commands can be set up using the system/environment controls in the control panel. Whilst this allows the windows frontend to GSAS to be called up, it still can't act

ushkovite

1999-05-17 Thread Thomas Dyer
Dear All, Does anyone know of the existence of structural data for Ushkovite [ Mg Fe2 (PO4)2 (OH)2 !8H2O . ICDD card no. 35-685 ] - it is not on the ICSD and a literature search has (so far) been unsuccessful. Thanks in advance, Tom Dyer

RCPT: definition of size

2000-08-14 Thread Thomas Dyer
Confirmation of reading: your message - Date:14 Aug 00, 14:27 To: [EMAIL PROTECTED] Subject: definition of size Was read at 18:11, 14 Aug 00. Tom Dyer Concrete Technology Unit Dept of Civil Engineering University of Dundee Dundee, UK DD1 4HN Tel: 01382 348 118 Fax: 01382 3

Re: Quantitive analysis

2004-05-06 Thread Thomas Dyer
Probably the best approach is to include a known quantity of an internal standard in the sample. Sample preparation is very important and you will have to make sure the standard is carefully weighed and that the mixiing procedure that is used is efficient. You can then carry out quantitative Rietve