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You Searched For: Biological Standards

VWR offers a wide range of certified biological standards designed for instrument calibration in ion-exchange chromatography (IC) applications, which can be applied toward environmental or food analysis and quality control. IC is an analytical technique used for the separation and quantification of anions and cations in aqueous samples. VWR offers high-purity, well-defined reference materials ideal for low-ppm level quantification or trace analysis. Bottles of biological standards are available for a range of elements.

VWR offers a wide range of certified biological standards designed for instrument calibration in ion-exchange chromatography (IC) applications, which can be applied toward environmental or food analysis and quality control. IC is an analytical technique used for the separation and quantification of anions and cations in aqueous samples. VWR offers high-purity, well-defined reference materials ideal for low-ppm level quantification or trace analysis. Bottles of biological standards are available for a range of elements.


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Image Unavailable-CRM08167L-10EA

Klebsiella oxytoca NCTC 8167 Lenticule® Discs, Suitable for Microbiology, Certified Reference Material, Supelco®, Merck

Catalog Number: (CRM08167L-10EA)
Supplier: Merck
Description: Klebsiella oxytoca NCTC 8167 Lenticule® discs, 30 - 120 CFU
UOM: 1 * 10 items
Image Unavailable-VT001142-10EA

Pseudomonas aeruginosa WDCM 00114 Vitroids™, 15-80 CFU mean value range, for Microbiology, Certified Reference Material

Catalog Number: (VT001142-10EA)
Supplier: Merck
Description: Certified Reference Microorganisms
UOM: 1 * 10 items
Image Unavailable-RQC03305-10EA

Pseudomonas aeruginosa ATCC27853 @ 200, for Microbiology, Certified Reference Material

Catalog Number: (RQC03305-10EA)
Supplier: Merck
Description: Certified Reference Microorganisms
UOM: 1 * 10 items
Image Unavailable-VT000347-10EA

Staphylococcus aureus WDCM 00034 Vitroids™, Certified Reference Material, Suitable for Microbiology

Supplier: Merck
Description: Derived from CECT® strains.

Image Unavailable-VT000367-10EA

Staphylococcus epidermidis WDCM 00036 Vitroids™, Certified Reference Material, Suitable for Microbiology

Supplier: Merck
Description: Staphylococcus epidermidis WDCM 00036 Vitroids™, 1,000-10,000 CFU mean value range

Image Unavailable-VT000303-10EA

Salmonella enterica subsp. enterica serovar Enteritidis WDCM 00030 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material

Catalog Number: (VT000303-10EA)
Supplier: Merck
Description: Certified Reference Microorganisms
UOM: 1 * 10 items
Image Unavailable-VT001143-10EA

Pseudomonas aeruginosa WDCM 00114 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material

Catalog Number: (VT001143-10EA)
Supplier: Merck
Description: Certified Reference Microorganisms
UOM: 1 * 10 items
Image Unavailable-VT000136-10EA

Escherichia coli WDCM 00013 Vitroids™, Certified Reference Material, Suitable for Microbiology, Supelco®

Supplier: Merck
Description: Vitroids™ discs contain Escherichia coli WDCM 00013 viable microorganisms in a certified quantity (generally accredited according to ISO/IEC 17025), produced under reproducible conditions compliant with ISO 17034:2016 using authenticated strains from CECT®.

Image Unavailable-RM10903Q-10EA

Vibrio parahaemolyticus NCTC 10903 Lenticule® discs, > 100 CFU, reference material, for microbiology

Catalog Number: (RM10903Q-10EA)
Supplier: Merck
Description: Certified Reference Microorganisms
UOM: 1 * 10 items
Image Unavailable-1302203.

Purified Guggul Extract, Reference Standard

Catalog Number: (1302203.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 500 mg
Image Unavailable-1599500.

Red Clover Extract, Reference Standard

Catalog Number: (1599500.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 500 mg
Image Unavailable-1302258.

Native Gymnema Extract, Reference Standard

Catalog Number: (1302258.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 1 g
Image Unavailable-1283255.

Forskohlii Extract, Reference Standard

Catalog Number: (1283255.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 500 mg
Image Unavailable-1048244.

Bacopa Extract, Reference Standard

Catalog Number: (1048244.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 500 mg
Image Unavailable-VT000292-10EA

Salmonella enterica subsp. enterica serovar Abony WDCM 00029 Vitroids™, 15-80 CFU mean value range, for Microbiology, Certified Reference Material

Catalog Number: (VT000292-10EA)
Supplier: Merck
Description: Certified Reference Microorganisms
UOM: 1 * 10 items
Image Unavailable-RMF03255H-10EA

Candida albicans NCPF 3255 Lenticule® Discs, Suitable for Microbiology, Reference Material, Supelco®

Supplier: Merck
Description: Candida albicans NCPF 3255 Lenticule® discs, 30 - 120 CFU

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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 on +353 1 88 22222.
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 on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. 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 on +353 1 88 22222.
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