NOW I JUST COMPLETED M.Sc.chemistry

Scott Strole <fsstrole@...> wrote: What type of matrix are you
working with? High salts? High acid concentrations?

edward muntean <edimuntean@...> wrote: Thanks!
The values are quite big (-0.5 ... -0.8). The pressure is stabilised using a
good manometer and it is constant.
What else can I do?

mad22lb <no_reply@yahoogroups.com> wrote:
Hi
is the value is big ? ( like -0.1 or less than it like -0.001)
I think it is from oxidatizer or feul pressuer ( I mean it is not
constant)
it must be constant

In analyticalchemistry@yahoogroups.com, "edimuntean" <edimuntean@...>
wrote:
>
> I need some advice in managing an AAS instrument which, after the
> Autozero procedure, gives negative values for both blanc and also
some
> samples. The calibration procedure is OK and the R values are
>0.99 ...
> 1. Can anybody explain this and tell me what to do?
>

Conf.dr.ing.Edward Muntean
Dept. of Analytical Chemistry and Instrumental Analysis
University of Agricultural Sciences and Veterinary Medicine Cluj Napoca
3-5 Calea Manastur, 400372 Cluj Napoca
Romania

Tel. + 4 0264 596 384/ 213
Fax: + 4 0264 593 792
Mobile: +4 0746 539 734
URL: www.emuntean.go.ro

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