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Proficiency Testing Standards


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Supplier:  SPEX CERTIPREP LLC
Description:   One 2 mL flame-sealed ampule yields up to 2 liters of sample after dilution.
Catalog Number: (SX924)

Supplier:  SPEX CERTIPREP LLC
Description:   One 20 mL flame-sealed ampule containing 10 g of soil and 10 mL of methanol is ready to analyze. Includes a subset of the analytes in the components l...

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

Supplier:  SPEX CERTIPREP LLC
Description:   One 2 mL flame-sealed ampule yields in excess of 200 mL after dilution.

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

Supplier:  SPEX CERTIPREP LLC
Description:   One 2mL flame sealed ampule yields up to 2 liters after dilution. Each standard contains all of the analytes listed below at 10-200 µg/L.

Supplier:  SPEX CERTIPREP LLC
Description:   Yields up to 2 L after dilution.
Supplier:  SPEX CERTIPREP LLC
Description:   One 2 mL flame-sealed ampule yields up to 2 liters after dilution. Includes an Aroclor randomly selected from the components list at 0.5-5 µg/L as dec...

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

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:   40 g soil sample in a screw cap bottle for all ICP & AA, RCRA and Superfund methods.
Catalog Number: (SX1243)

Supplier:  SPEX CERTIPREP LLC
Description:   One 24 mL screw cap vial yielding 1 liter of solution.

Supplier:  SPEX CERTIPREP LLC
Description:   QC Sample containing two lyophilized samples consisting of one negative sample and one positive to be quantitated for total, fecal and E. coli colifor...

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

Supplier:  SPEX CERTIPREP LLC
Description:   Ready to analyze.
Inquire for Price
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.
To process your orders without delay, please provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide ID that includes your business name & shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number. Acceptable forms of ID are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. VWR will not lift restrictions for residential shipping addresses.

-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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