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Proficiency Testing Standards


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Supplier:  SPEX CERTIPREP LLC
Description:   One screw-top vial yields to 2 L after dilution.

Supplier:  SPEX CERTIPREP LLC
Description:   One liter whole-volume bottle is ready to analyze.
Supplier:  SPEX CERTIPREP LLC
Description:   One liter whole-volume bottle is ready to analyze.

Supplier:  SPEX CERTIPREP LLC
Description:   One 15 mL screw-cap vial yields up to 2 liters after dilution. Use with IC or colorimetric methods.

Supplier:  SPEX CERTIPREP LLC
Description:   Yields up to 2 L after dilution.

Supplier:  SPEX CERTIPREP LLC
Description:   Yields up to 1 L after dilution.

Supplier:  SPEX CERTIPREP LLC
Description:   One 2 mL flame-sealed ampule yields up to 2 liters of sample after dilution.

Supplier:  SPEX CERTIPREP LLC
Description:   One 23 mL screw cap vial with a powder yields 1 L after dilution.

Supplier:  SPEX CERTIPREP LLC
Description:   One liter whole-volume glass bottle with a 43-400 thread is ready to analyze.

Supplier:  SPEX CERTIPREP LLC
Description:   Yields up to 200 mL after dilution.

Supplier:  SPEX CERTIPREP LLC
Description:   Yields up to 1 L after dilution. Use with nephelometric methods.

Supplier:  SPEX CERTIPREP LLC
Description:   The end-product of most analytical laboratories is data. It is therefore imperative that the quality of the data produced meet or exceed performance c...

Supplier:  SPEX CERTIPREP LLC
Description:   One 2 mL flame-sealed ampule yields up to 2 liters after dilution. Contains a subset of the analytes in the components list.

Supplier:  SPEX CERTIPREP LLC
Description:   One 5 mL flame-sealed ampule yields up to 4 liters after dilution.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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  • Any other ID issued by the State that includes the business name & address

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-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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