What is the shelf life of Gelex standards?

Dokument-ID

Dokument-ID TE965

Veröffentlichungsdatum

Veröffentlichungsdatum 17.03.2021
Frage
What is the shelf life of Gelex standards?
Zusammenfassung
Life/Expiration of Gelex turbidity standards.
Antwort
Hach Company does not typically assign an expiration date to the Gelex Standards because of the way the product is designed (See also: How are Gelex secondary standards used?). It is a plastic part that does not deteriorate. It is a secondary standard in which the customer establishes an actual concentration based on a primary standard, Formazin.

If an expiration date is required for regulatory purposes, please state 10 years from the date the vials were received.

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