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Catalog Number: (RCRV010702100N)
Supplier: Ricca Chemical
Description: 7 component standard.


Supplier: SPEX CERTIPREP LLC
Description: Assurance® mixed multi-element laboratory performance check (LPC) standards for AA & ICP.

Catalog Number: (SXS-802)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Catalog Number: (SXS-965)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Catalog Number: (SXS-3252)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Supplier: Ricca Chemical
Description: Copper Standard, 1000 µg/ml, Application: AAS standards
Supplier: Restek
Description: Organic Standard, Dichlorvos-d6
Catalog Number: (RCACR61KN-500)
Supplier: Ricca Chemical
Description: 1000 ppm Cr ion in dilute HNO3. For use in standardizing atomic absorption spectrophotometers. 500mL.

Supplier: MilliporeSigma
Description: H₃PO₄ in water
Catalog Number: (SXICP-KIT-1)
Supplier: SPEX CERTIPREP LLC
Description: Assurance® Grade, set of 38 single-element standards


Catalog Number: (SXCRM-PE002)
Supplier: SPEX CERTIPREP LLC
Description: Consumer safety standards, phthalates in polyethylene QC standards.

Supplier: Ricca Chemical
Description: 10000ppm S. Single element inductively coupled plasma (ICP) metal standard for use in standardizing ICP and AA spectrophotometers for parts per million (ppm) and parts per billion (ppb) analyses. 100mL.
Catalog Number: (SXS-1938)
Supplier: SPEX CERTIPREP LLC
Description: Single-Component organic standards.


Supplier: VWR International
Description: IL-4 is an immunomodulatory cytokine that stimulates B cell proliferation and activates eosinophils, basophils, and mast cells. Induces vascular cell adhesion molecule (VCAM)-1 expression on endothelial cells and involved in collagen production by fibroblasts. Plays a key role in promotion of Th2 differentiation from naïve helper T cells. Defines the Th2 phenotype of lymphocytes. Regulates cell proliferation, apoptosis, and expression of numerous genes in various cell types. The biological activity of CTGrade GMP interleukins and growth factors is standardized, where applicable, to WHO International standards, providing cell and gene therapy developers consistent, lot-to-lot biological activity and performance.

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Supplier: Ricca Chemical
Description: Zinc Standard, 10000 µg/ml, Application: ICP standards
Catalog Number: (RK32015)
Supplier: Restek
Description: Standard is packaged in methanol at a concentration of 2000 µg/mL in a 1 mL ampoule.

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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.
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