Where Can I Find Molar Absorptivity Data for Chromate and Dichromate Ions?

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Discussion Overview

The discussion centers around the search for molar absorptivity data for chromate and dichromate ions at various wavelengths. Participants are exploring potential databases or resources that could provide this information.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant requests molar absorptivity data for chromate and dichromate ions, seeking a database or resource.
  • Another participant suggests the Sadtler database as a potential source for this data.
  • A subsequent reply asks for a link to the Sadtler database.
  • A participant provides a link to a Google search for Sadtler spectra but notes that many resources appear to be protected and do not specifically address chromate ions.
  • One participant reiterates the request for molar absorptivity data and suggests that the original poster could consider collecting the data themselves by registering the entire absorption curve.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the availability of the requested data, and there are multiple competing views regarding the usefulness of the suggested resources.

Contextual Notes

Limitations include the potential inaccessibility of suggested databases and the lack of specific data on chromate ions within those resources.

24forChromium
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I need the molar absorptivity data of chromate and dichromate ions at various wavelengths, can anyone suggest a database or something like that?
 
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24forChromium said:
a database
Sadtler.
 
Bystander said:
Sadtler.
can you send me a link?
 
24forChromium said:
I need the molar absorptivity data of chromate and dichromate ions at various wavelengths, can anyone suggest a database or something like that?

Your posts suggest you will be doing an analysis - why don't you start registering the whole curve by yourself?
 

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