Fluid K Rinsing and Diluting Fluid, Glass Bottle with Needle-Port Septum Screw Cap, 300mL
Details
Hardy Diagnostics U348 Fluid K is a sterile, ready-to-use rinsing and diluting fluid supplied as a 300 mL fill in a 500 mL glass bottle for pharmaceutical and medical-device sterility-testing procedures. Featuring a 0.5% peptone formulation with beef extract and Tween® 80, Fluid K is particularly suited for specimens containing petrolatum, oils, or oily solutions and materials that are difficult to filter or dissolve.
Material/Structure
- Prepared, ready-to-use liquid configuration
- Container: 500 mL glass bottle
- Closure: Needle-port septum screw cap
- Fill volume: 300 mL
- Clear, light-to-medium amber appearance
- Sterile
Formulation
- Fluid K is a 0.5% peptone solution supplemented with beef extract and Tween® 80.
- Formula per liter: 5.0 g meat peptone, 3.0 g beef extract, and 10.0 mL Tween® 80
- Final pH: 6.9 ± 0.2 at 25°C
- Formulated according to United States Pharmacopeia guidelines for use in sterility-testing procedures.
- Designed for rinsing, diluting, neutralizing, and dissolving test materials and rinsing devices or membrane filters.
- Particularly suited for specimens containing petrolatum, oils, or oily solutions and materials that are difficult to filter or dissolve.
Cleanroom Environment
- Supports pharmaceutical and medical-device sterility-testing procedures conducted in controlled environments.
- Needle-port septum screw cap permits fluid transfer without completely removing the bottle closure.
- Sterile, ready-to-use format reduces handling and in-house solution preparation requirements.
- Manufactured in an ISO 13485 environmentally controlled production center.
- Each lot is certified for pH, sterility, and applicable quality-control performance.
Benefits
- Tween® 80 supports the processing of specimens containing petrolatum, oils, and oily solutions.
- Suitable for moistening membrane filters before filtration and washing filters after filtration.
- Supports rinsing and dissolving procedures for materials that are difficult to filter.
- Needle-port septum screw cap provides convenient access while maintaining bottle closure.
- High-clarity fluid supports accurate visual observation during testing procedures.
- Sterile, ready-to-use format reduces preparation time and handling requirements.
Applications
- USP sterility-testing procedures
- Membrane-filtration testing
- Moistening membrane filters before filtration
- Washing membrane filters after filtration
- Testing specimens containing petrolatum, oils, or oily solutions
- Diluting, neutralizing, dissolving, and rinsing test materials
- Pharmaceutical sterility testing
- Medical-device and sterile-pathway testing
Storage
- Store at 2°C to 25°C.
- Keep away from direct light.
- Protect from excessive heat, moisture, and freezing.
- Do not use if the fluid shows contamination, deterioration, discoloration, or is beyond its expiration date.