Re: source of diamond powder for internal standard

detailed electron density analysis. Best, Jon On 19/06/2015 09:10, Tony Raftery wrote: Anyone, Can someone tell me where to source diamond for use as internal standard. It needs to be ‘ideal’ – small particle size ( 1um would be good), narrow particle size distribution, elementally pure

Re: source of diamond powder for internal standard

one, > > > > Can someone tell me where to source diamond for use as internal standard. > > > > It needs to be ‘ideal’ – small particle size ( 1um would be good), narrow > particle size distribution, elementally pure (which precludes most > ‘natural’ diamond), fully crystal

Re: source of diamond powder for internal standard

Hi Tony I think we used diamond polishing powder when I was at CSIRO. Lots of different sizes available. Matthew On 19 Jun 2015 3:13 pm, "Tony Raftery" wrote: > Anyone, > > > > Can someone tell me where to source diamond for use as internal standard. > > >

source of diamond powder for internal standard

Anyone, Can someone tell me where to source diamond for use as internal standard. It needs to be 'ideal' - small particle size ( 1um would be good), narrow particle size distribution, elementally pure (which precludes most 'natural' diamond), fully crystalline (or near so)

Re: Powder diffraction w/Internal standard

reliable to > utilize the aluminum peaks (or even the beryllium peaks from my in-situ > cell window) from my support as an internal standard ?? (even though that > itself is not in the same plane as my sample) > > My initial thoughts would be that I am not able to do so without &

Powder diffraction w/Internal standard

diffractometer, however my optimization of the sample alignment has simply been done to maximize my signal to noise ratio. My question then becomes… is it feasible/reliable to utilize the aluminum peaks (or even the beryllium peaks from my in-situ cell window) from my support as an internal standard ?? (even

RE: corundum internal standard alternative?

) 975 5793 FAX (301) 975 5334 -Original Message- From: rietveld_l-requ...@ill.fr [mailto:rietveld_l-requ...@ill.fr] On Behalf Of Reinhard Kleeberg Sent: Thursday, March 26, 2015 7:57 AM To: rietveld_l@ill.fr Subject: corundum internal standard alternative? Dear colleagues, does anybody know

corundum internal standard alternative?

Dear colleagues, does anybody know a fine-grained alumina (corundum) material with high purity, suitable for using as internal standard in quantitative phase analysis, as an economic alternative for the NIST SRM 676a? In the past we used American Elements AL-OX-03-S (spray-dried) what worked

Re: Deviations and internal standard

two such uncertainties is much larger than > the other one it will not make a big effect on the total uncertainty. > > I hope this helps or at least generates a useful discusion and > correction to my proposition if wrong. > > Best regards, > Leo > > > 2013/9/1

Re: Deviations and internal standard

diffractometers. Because the in-situ variations also causes sample displacement, we have been using an added internal standard (Si) and corrected the 2-theta axis so that the silicon lines are in correct positions. Because we wanted to be sure that our method is reproducible, we h

Re: Deviations and internal standard

ations also causes sample > displacement, we have been using an added internal standard (Si) and > corrected the 2-theta axis so that the silicon lines are in correct > positions. Because we wanted to be sure that our method is reproducible, we > have repeated our experiments 5-10 ti

Deviations and internal standard

Dear all I would appreciate some statistical advice. We are measuring cell parameters variations in-situ of some structures using in-house diffractometers. Because the in-situ variations also causes sample displacement, we have been using an added internal standard (Si) and corrected the 2

Internal standard

Hi all, This may be a non-issue given the high accuracy of diffraction measurements, and the internal checks on sample position, such as dependent peaks that lead to the sample shift, but there is something I've always wondered about when an internal standard is used in combination

RE: internal standard for glass

You should multiply all of the crystalline phases by 5/7 with the remaining 2/7 being your amorphous phases. -Original Message-From: Ferdinando Costantino [mailto:[EMAIL PROTECTED]]Sent: Friday, June 15, 2001 9:32 AMTo: [EMAIL PROTECTED]Subject: internal standard for glass

internal standard for glass

Dear all I'm doing quantitative analysis on a mixture of  6 or 7 phases and I must to know the weight fraction of amorphous phases. I'm using Si as internal standard but I'didn't understand if I must consider the relative or absolute difference between the real and calc