McFarland Standard is a series of standards of different opacity, allowing the estimation of the density of bacterial suspensions.


Product Overview

McFarland Standard is a series of standards of different opacity, allowing the estimation of the density of bacterial suspensions.
McFarland Standard - 70900


Device Description

A standard solution intended to be used as a reference in the estimation of the number of bacteria in a suspension based on the turbidity, compared to that of the McFarland standard. It consists of specified volumes of barium chloride and sulphuric acid. The standard is typically used to adjust the inoculum in microbial assays (e.g., microbial susceptibility and microbial identification) where a standardized inoculum is required.


Environmental Conditions

  • Storage Environment Temperature - Degrees Celsius
    • 30.00
    • 2.00

  • Device Sizes

    No Data Available


    Device Sterilization

    Device Sterile: False

    Sterilization Prior To Use: False

    Sterilization Methods: No Data Available


    Product Codes

    Code: JTO

    Device Name: Discs, Strips And Reagents, Microorganism Differentiation

    Device Class: 1

    Physical State: N/A

    Definition: N/A

    Submission Type ID: 4

    Review Panel: MI

    Review Code: N/A

    Technical Method: N

    Gmp Exempt Flag: N/A

    Life Sustain Support Flag: N

    Unclassified Reason: N/A

    Implant Flag: N

    Target Area: N/A

    Regulation Number: 866.2660

    Third Party Flag: N

    Medical Specialty: MI


    Device Identifiers

    Device Id: 03573026100087

    Device Type: Primary

    DeviceId Issuing Agency: GS1

    Contains DI Number: N/A

    Package Quantity: N/A

    Package Discontinue Date: N/A

    Package Status: N/A

    Package Type: N/A


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