Thermo Scientific™ Remel™ McFarland Equivalence Turbidity Standard with visual comparison card
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Specifications:
Application | Clinical microbiology | ||
Storage Temperature | Ambient | ||
Product Type | Standard Solutions | Forms | Liquid |
Product Brand | Thermo Fisher Scientific™ | ||
Product Grade | Microbiology grade | ||
The Thermo Scientific™ Remel McFarland Equivalence Turbidity Standards are high-quality reference standards designed for precise preparation of microbial suspensions. These turbidity standards are essential for ensuring reproducibility in antimicrobial susceptibility testing (AST), microbiological assays, and laboratory diagnostics.
Product Description
- Visual Comparison Standards:
- Packaged in a durable plastic case with a visual comparison card for easy use.
- Enables accurate preparation of standardized bacterial suspensions.
- Turbidity Range:
- Available as individual standards (0.5, 1.0, 2.0, 3.0, 4.0, 5.0) or a complete set for a comprehensive range of applications.
- Design:
- Tube dimensions: 15 x 103 mm, compatible with most spectrophotometers.
- Manufactured using polystyrene technology, providing a longer shelf life and consistent performance.
- Applications:
- Used in clinical microbiology, food safety testing, and research laboratories for preparing standardized microbial suspensions.
Product Range
Catalog Number | Description | Includes |
---|---|---|
R20421 | Turbidity Standard Set | 1 each of 0.5, 1.0, 2.0, 3.0, 4.0 |
R20410 | Turbidity Standard 0.5 | Single standard |
R20411 | Turbidity Standard 1.0 | Single standard |
R20412 | Turbidity Standard 2.0 | Single standard |
R20413 | Turbidity Standard 3.0 | Single standard |
R20414 | Turbidity Standard 4.0 | Single standard |
R20415 | Turbidity Standard 5.0 | Single standard |
Key Features
- Precise and Reliable:
- Provides reproducible turbidity values for bacterial suspensions, ensuring consistency in antimicrobial susceptibility testing (AST).
- Durable and Long-Lasting:
- Polystyrene technology enhances the shelf life and durability of the standards.
- Versatile:
- Compatible with most laboratory spectrophotometers, enabling both visual and electronic calibration.
- Ease of Use:
- Supplied with a visual comparison card to simplify turbidity matching.
- Comprehensive Range:
- Covers a wide range of turbidity standards, accommodating diverse laboratory needs.
Applications
- Antimicrobial Susceptibility Testing (AST):
- Prepares standardized bacterial inocula for Kirby-Bauer disc diffusion, broth dilution, or agar dilution methods.
- Microbial Enumeration:
- Determines microbial density for routine laboratory testing.
- Instrument Calibration:
- Serves as a reference standard for calibrating spectrophotometers and turbidimeters.
- Research and Diagnostics:
- Facilitates accurate microbial quantification in clinical, food safety, and research settings.
Advantages
- Accuracy:
- Ensures precise preparation of microbial suspensions for standardized testing.
- Convenience:
- Ready-to-use, with a comparison card for easy visual matching.
- Compatibility:
- Works with a broad range of laboratory equipment, including spectrophotometers.
- Longevity:
- Polystyrene construction for extended shelf life and durability.
- Versatility:
- Applicable to various microbiological assays.
Specifications
Parameter | Details |
---|---|
Description | Turbidity Standard Set |
Includes | 0.5, 1.0, 2.0, 3.0, 4.0 Standards |
Tube Size | 15 x 103 mm |
Material | Polystyrene |
Shelf Life | Extended due to durable material |
Unit Size | Each |
Use Cases
- Clinical Microbiology:
- Standardize inoculum density for AST in diagnostic labs.
- Food and Beverage Testing:
- Monitor microbial contamination in food safety laboratories.
- Research Laboratories:
- Quantify microbial growth for experimental reproducibility.
- Environmental Microbiology:
- Evaluate microbial load in water and environmental samples.
Thermo Scientific™ Remel™ McFarland Standards vs. Liofilchem® McFarland Standards
Feature | Thermo Scientific™ Remel™ McFarland Standards | Liofilchem® McFarland Standards |
---|---|---|
Product Range | 0.5, 1.0, 2.0, 3.0, 4.0, 5.0 | 0.5, 1.0, 2.0, 3.0, 4.0 |
Set Availability | Available as a set (0.5–4.0) and individual standards | Available as a set (0.5–4.0) and individual standards |
Material | Polystyrene tubes for durability and extended shelf life | Glass tubes for precise calibration and visual comparison |
Tube Size | 15 x 103 mm | Standard laboratory size |
Packaging | Plastic case with visual comparison card | Individual packaging |
Shelf Life | Extended due to durable polystyrene construction | Defined shelf life when stored at recommended conditions |
Preparation | Pre-made standards, ready to use | Pre-made standards, ready to use |
Storage Conditions | Ambient temperature | 10–30°C |
Standards Calibration | Suitable for visual comparison and spectrophotometric calibration | Suitable for visual comparison and spectrophotometric calibration |
Turbidity Matching | Supplied with a visual comparison card | Visual matching using the standard directly |
Reproducibility | High reproducibility for standardized microbial suspension preparation | High reproducibility for standardized microbial suspension preparation |
Applications | Antimicrobial susceptibility testing, instrument calibration, microbial density preparation | Antimicrobial susceptibility testing, microbial enumeration, research |
Regulatory Compliance | Compliant with CLSI and EUCAST guidelines | Compliant with CLSI and EUCAST guidelines |
Advantages | Durable, portable packaging; comprehensive range of turbidity standards | High precision, visually clear standards |
Visual Aid | Visual comparison card included | Relies on clear visual observation |
Primary Users | Clinical, food safety, and industrial laboratories | Clinical, research, and diagnostic laboratories |
Key Differences
- Material: Thermo Scientific standards are in polystyrene tubes for extended durability, while Liofilchem uses glass for precision.
- Packaging: Thermo Scientific provides a visual comparison card in a portable plastic case, whereas Liofilchem standards are individually packaged.
- Range: Both brands cover 0.5–4.0 standards; however, Thermo Scientific offers an additional 5.0 standard.
This comparison highlights the strengths and specific use cases of both product lines.
The Thermo Scientific™ Remel McFarland Equivalence Turbidity Standards provide precise, reliable, and durable solutions for preparing microbial suspensions. With a comprehensive range of standards and compatibility with spectrophotometers, they are indispensable tools for clinical, research, and industrial laboratories.
- Turbidity: 0.5 McFarland 1.0 McFarland 2.0 McFarland 3.0 McFarland 4.0 McFarland 5.0 McFarland Turbidity Standard Set (1 each of 0.5, 1.0, 2.0, 3.0, 4.0)