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

Supplier: SPEX CERTIPREP LLC
Description: B100 Biodiesel Standards

Supplier: SPEX CERTIPREP LLC
Description: Single element standards for ICP-MS.
Supplier: SPEX CERTIPREP LLC
Description: Assurance® mixed multi-element standards for AA & ICP.

Catalog Number: (SXECS-A-044)
Supplier: SPEX CERTIPREP LLC
Description: ECS Standards for GC/MS


Supplier: SPEX CERTIPREP LLC
Description: Ion Chromarography & Ion Selective Electrode Standards
Single and Multi-Element Standards for Ion Chromatography

Ion chromatography (IC) is an analytical process for the separation of ions based on charge affinity. IC can be used for a variety of different kinds of charged analytes from single elements to large proteins. In order to ensure accurate analysis, quality standards which are traceable and stable are necessary. SPEX CertiPrep offers the highest quality IC standards available for the analytical laboratory.

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

Supplier: SPEX CERTIPREP LLC
Description: Speciation analysis has become common in many fields, including environmental, food and pharmaceutical testing labs. To analyze species within a sample requires Certified Reference Materials (CRMs) for sample verification and method validation.

Supplier: SPEX CERTIPREP LLC
Description: Single-element standards for AA & ICP.
Catalog Number: (SXS-1597)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Supplier: SPEX CERTIPREP LLC
Description: Certified pH buffers are made using high purity starting materials and ASTM Type I Water, and are thoroughly analyzed for certified value and homogeneity. Buffers are accurate, premium grade for calibration and quality control checks.

Catalog Number: (SXPCB-1242H)
Supplier: SPEX CERTIPREP LLC
Description: Semivolatiles

US EPA Method 625 is an analytical method for the monitoring of acid and base neutral extractable fractions in municipal and industrial wastewater by GC/MS.

US EPA Method 8270 is a general analytical method for the monitoring of semivolatiles in environmental and waste samples by GC/MS.


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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.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

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

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


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 currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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