- Description
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Details
MicroPlus (Cellulose Nitrate) STL Membrane, Circle
MicroPlus (cellulose nitrate) STL membranes, for Membrane-Butler
- Special membrane filters made from cellulose nitrate developed for microbiological quality control.
- High mechanical strength.
- High flow rate.
- Sterile, individually packed.
- All membrane filters have a high-contrast grid (3.1 mm).
- Type STL in dispenser boxes with 100 numbered membrane filters for easy removal and secure handling with the Membrane-Butler.
Membranes for Microbiological Control
To protect the consumer, the absence of microbial contamination in foods and beverages, pharmaceuticals and cosmetics must be assured.
In these products the microorganism counts are very low and are therefore determined quantitatively via enrichment methods. Production processes are monitored continuously at their critical points (tanks, pipelines, filling units) as are the finished products. The membrane filtration method is the optimal analytical method for doing this.Method
The liquid is filtered through a membrane. The microorganisms collect on the membrane surface. The filter is incubated on a nutrient medium and the individual colonies can then be evaluated. The method is also suitable for large sample volumes and low microorganism counts.
Reliability
The quality control and product design of our membrane filters are strictly controlled and offer users significant advantages.
Test parameters
All membranes used for microbiological quality control are tested systematically in order to ensure the same high quality from batch to batch. Parameters tested are bubble point, flow rate, bacterial retention, recovery rate, and sterility.
Specifications:
- Grid Dimension: 3.1 mm
- Material: Cellulose nitrate
- Pore Size: 0.45 µm
- Sterility: Sterile
Ordering Information:
Cat. No. Specifications Qty 10406970 Microplus (Cellulose Nitrate) STL Membrane, Circle White, 0.45µm, 3.1 Black Grid, 47mm 400/pk 10406972 Microplus (Cellulose Nitrate) STL Membrane, Circle White, 0.45µm, 3.1 Black Grid, 50mm 400/pk 10406812 Microplus (Cellulose Nitrate) STL Membrane, Circle Black, 0.45µm, 3.1 White Grid, 47mm 400/pk 10406814 Microplus (Cellulose Nitrate) STL Membrane, Circle Black, 0.45µm, 3.1 White Grid, 50mm 400/pk 13406870 Microplus (Cellulose Nitrate) STL Membrane, Circle Green, 0.45µm, 3.1 Black Grid, 47mm 400/pk 10406870 Microplus (Cellulose Nitrate) STL Membrane, Circle Green, 0.45µm, 3.1 Black Grid, 50mm 400/pk 10406871 Microplus (Cellulose Nitrate) STL Membrane, Circle White, 0.45µm, 3.1 Black Grid, 47mm 100/pk 10406872 Microplus (Cellulose Nitrate) STL Membrane, Circle White, 0.45µm, 3.1 Black Grid, 50mm 100/pk 10409414 Microplus (Cellulose Nitrate) STL Membrane, Circle Black, 0.45µm, 3.1 White Grid, 50mm 100/pk 10409470 Microplus (Cellulose Nitrate) STL Membrane, Circle, Black Gridded, 0.45µm, 47mm 100/pk - Additional Information
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Additional Information
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