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Catalog Number: (SXMPK-TFAA-5PK)
Supplier: SPEX CERTIPREP LLC
Description: Mobile phase modifiers are conveniently packaged for error-free use. Our ampules contain precisely measured aliquots of high purity modifiers which are designed to be directly added to mobile phase reservoirs for easy use.

Catalog Number: (NSQCI-084)
Supplier: SPEX CERTIPREP LLC
Description: Universal Wastewater Standard is a Ready-to-use glass bottle

Supplier: SPEX CERTIPREP LLC
Description: Single-element standards for AA & ICP.
Catalog Number: (SX5242-R4)
Supplier: SPEX CERTIPREP LLC
Description: US EPA method 524.3 is a GC/MS method for the analysis of purgeable VOCs in finished drinking water. Analytes added to methanol 524.3 revision 4 are supplied in a 24-component mix.

New Product


Catalog Number: (SX5022-B)
Supplier: SPEX CERTIPREP LLC
Description: US EPA method 502.1 is a general analytical method for the monitoring of halogenated, portable VOCs in drinking water and raw water sources by GC with a hall detector. US EPA method 502.2 is a general analytical method for the monitoring of halogenated, purgeable VOCs in drinking water and raw water sources by GC megabore capillary column techniques and hall and photoionization detectors (PID).

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Catalog Number: (SXTCLP-VX)
Supplier: SPEX CERTIPREP LLC
Description: TCLP Series Volatiles Toxicity Characteristic Leaching Procedure (TCLP) is a soil sample extraction method for chemical analysis employed as an analytical method to simulate leaching through a landfill.

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Catalog Number: (SXQCI-141)
Supplier: SPEX CERTIPREP LLC
Description: Manufactured from highest purity water and analytically verified neat source materials. Stable and easy to use. Supplied ready to use with no lengthy preparative steps. Just shake and pour. The certified concentrations of all of our standards are traceable to SI through NIST test masses and/or SRMs.

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Catalog Number: (SXCLP90-SB5)
Supplier: SPEX CERTIPREP LLC
Description: 18714658

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Catalog Number: (SXS-4240)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Catalog Number: (NSC303)
Supplier: SPEX CERTIPREP LLC
Description: Mixture is packaged in methanol at a concentration of 1000µg/mL in a 1.5mL ampule.

SDS Small Business Enterprise Minority or Woman-Owned Business Enterprise


Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.
Supplier: SPEX CERTIPREP LLC
Description: Consumer Safety Standards
Analytical Standards for Wine

Wine is a complex combination of water, alcohol and other substances such as organic acids, phenols, sugars, carbon dioxide, and sulfur dioxide. The chemical interactions of these compounds, combined with the aging process, determine the quality of the color, taste and aroma of the wine. However, during this process, the chemical interactions can also play key roles in spoiling the wine. For instance, cork taint transpires when naturally occurring airborne fungi are in the presence of chlorophenol compounds to form 2,4,6-trichloranisole (TCA) in the wine. When this occurs, the wine’s aroma is reduced significantly and is replaced by an undesirable smell and taste.

To help regulate the spoilage of wine, the wine industry tests for several compounds that are known to cause this. For this industry, SPEX CertiPrep offers Certified Reference Materials (CRMs) for wine that are designed for GC, GC/MS, HPLC and LC/MS analysis. These standards are manufactured from the highest purity starting materials and the highest grade of solvents available in order to guarantee superior quality. Each standard is supplied with a detailed comprehensive Certificate of Analysis.

Supplier: SPEX CERTIPREP LLC
Description: Single-element standards for AA & ICP.

Supplier: SPEX CERTIPREP LLC
Description: Single-element standards for AA & ICP.

Catalog Number: (SXS-2811)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Catalog Number: (SXS-3041)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


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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.
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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