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.
Saccharomyces cerevisiae NCPF 3191 Lenticule® discs, 500-50000 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Vitroids™ Blank 0 CFU, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Sigma Pseudo™ Corpse Scent, Corpse Scent Kit, Supelco®
Supplier: Merck
Canine training aids for the detection of corpses.
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Pseudomonas fluorescens WDCM 00115 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Enterococcus Hirae WDCM 00089 Vitroids™, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Cronobacter Sakazakii WDCM 00214 Vitroids™, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Escherichia coli O157 (NT) NCTC 12900 Low count Lenticule® discs 30-120 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Citrobacter freundii CECT® 401 Vitroids™, Certified Reference Material, Suitable for Microbiology, Supelco®
Supplier: Merck
Derived from CECT® strains.
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Pediococcus Pentosaceus WDCM 00158 Vitroids™, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Bacillus subtilis subsp. spizizenii WDCM 00003 Vitroids™, Certified Reference Material, Suitable for Microbiology, Supelco®
Supplier: Merck
Derived from CECT® strains.
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Sigma Pseudo™ Narcotic Scent Heroin formulation, powder, Supelco®
Supplier: Merck
Substitute for controlled substances in the training of narcotics detector dogs. Mimics the odor of heroin.
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Negative Control (No bacterial growth expected) 0 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Lactococcus lactis subsp. lactis WDCM 00016 Vitroids™, Certified Reference Materials, Suitable for Microbiology, Supelco®
Supplier: Merck
Derived from CECT® strains.
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Raoultella planticola (formerly Klebsiella aerogenes) NCTC 9528 Lenticule® discs, 500-50000 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Fluoribacter bozemanae CECT® 7276 Vitroids™, Certified Reference Materials, Suitable for Microbiology, Supelco®
Supplier: Merck
Derived from CECT® strains.
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Escherichia coli WDCM 00012 Vitroids™, Certified Reference Material, Suitable for Microbiology, Supelco®
Supplier: Merck
Vitroids™ discs contain Escherichia coli WDCM 00012 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®.
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Escherichia coli WDCM 00013 Vitroids™, Certified Reference Material, Suitable for Microbiology, Supelco®
Supplier: Merck
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®.
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FLUOR DE LYS® deacetylated standard
Supplier: ENZO LIFE SCIENCES
FLUOR DE LYS® deacetylated standard, 10 mm, in DMSO, FLUOR DE LYS®
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Hemoglobin standard
Supplier: Cayman Chemical
Ready for use with colorimetric assay kit. This vial contains solution of 500 µM heme.
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Ginseng Extract, Reference Standards
Supplier: USP
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.
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Ashwagandha Root Extract, Reference Standard
Supplier: USP
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.
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Garcinia Hydroxycitrate Extract, Reference Standard
Supplier: USP
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.
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Red Clover Aerial Parts Isoflavone Aglycones Dry Extract, Reference Standard
Supplier: USP
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.
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Cat's Claw Extract, Reference Standard
Supplier: USP
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.
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Valerian Extract, Reference Standard
Supplier: USP
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.
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E. Coli Genomic DNA, Reference Standard
Supplier: USP
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.
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Bilberry Extract, Reference Standard
Supplier: USP
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.
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Phyllanthus Amarus Extract, Reference Standard
Supplier: USP
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.
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Coagulation Factor VIIa, Reference Standard
Supplier: USP
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.
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Cohosh Extract, Reference Standard
Supplier: USP
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.
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: Integra
: KIMBERLY CLARK
: Integra
: Industrial Physics
: Testo
: Integra
: VWR Collection
: VWR Collection
: VWR Collection
: Thermo Fisher Scientific
: VWR Collection
: VWR Collection
: VWR Collection
: Industrial Physics