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Biological Standards

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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.


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Description:   Specialized bacteria blended for seed population for the Biochemical Oxygen Demand test. Contains an additive for the inhibition of ammonia nitrogen in a wastewater sample. 50 capsules to a pack; 1-year shelf life. Comparable to that stated in standard methods.
Catalog Number: 66130-432
Supplier: InterLab



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Description:   Triglyceride GPO Standard, Open Channel Reagent, Method: Enzymatic/GPO Trinder, Endpoint, Format: Liquid, Concentration: 200 mg/dL, Storage: 2-8 Degree C, For the standardization of Triglyceride Reagent, Size: 1 x 15ml
Catalog Number: 10022-966
Supplier: HORIBA INSTRUMENTS INCORPORATED



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Catalog Number: 10000-944
Supplier: MICROBIOLOGICS, INC.



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Catalog Number: 10000-942
Supplier: MICROBIOLOGICS, INC.



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Description:   Helix Elite* Inactivated Parainfluenza Virus 1 kit, contains 5 unassayed lyophilized pellets, packaged in individual vials for ease-of-use and to avoid cross contamination, Strain VP1, For in vitro diagnostic use, Test Method: Molecular Testing
Catalog Number: 75878-534
Supplier: MICROBIOLOGICS, INC.



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Description:   BSE Refernce Standard, Palladium/Silver
Catalog Number: 100494-984
Supplier: Electron Microscopy Sciences


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Catalog Number: MSPP-ESCG100
Supplier: BIOPOINT USA INC MS



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Description:   Fluorescein*Fluorescence Reference Standard* Molecular Weight: 332.3, Solvent System: DMSO, Apperance: Red powder, pH-dependent fluorescence; Maximum intensity observed in basic solutions, Storage: -20 deg C, Size: 1 g
Catalog Number: 103010-702
Supplier: Anaspec Inc



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Catalog Number: MSPP-E01251
Supplier: ASSOCIATES OF CAPE COD INC MS



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Description:   Quinine sulfate Dihydrate Fluorescence Reference Standard, CAS number: 6119-70-6, Molecular formula: (C20H24N2O2) 2* H2SO4.2H2O, Molecular weight: 782.96, Reference standard for measuring fluorescence quantum yield, Storage: -20 deg C, Size: 100 mg
Catalog Number: 103010-740
Supplier: Anaspec Inc



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Description:   Peptide Digest Assay Standard is a validated protein digest reference sample optimized for use in quantitative peptide assays to improve reproducibility and accuracy, designed as reference standard for use with the Pierce Quantitative Fluorometric and Colorimetric Peptide Assay
Catalog Number: PI23295
Supplier: Invitrogen



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