
Analyzer, Testing Equipment
62-6174-94 Qualitative Filter Paper (Grade 4 42.5 mm) 1 Pack (100 Sheets) 1004-042
Product Description
Product Model: 62-6174-94Product Brand: Cytiva (Whatman […]
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Product Details
Product Model: 62-6174-94
Product Brand: Cytiva (Whatman)
Features
- general-purpose filter paper widely ***d to detect and identify substances in samples
- Wide range of products including size, particle retention, thickness, etc.
- Filter paper corresponding to the JIS standard * (closest to the product group) can be selected.
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*Regarding "JIS Equivalent": Grades listed as "JIS Equivalent" refer to the closest equivalent in the product group. Grades corresponding to "JIS" are listed in order to make it easier to judge the appropriate grade for your own analysis and experiment. It does not cover all the inspection items in the JIS standard, and it does not necessarily meet the standard range completely. Please consider it as a guide. For more information, please contact BioDirect Line at
. - Suitable for filtration of coarse particles and gelatinous precipitates (Examples: iron hydroxide, aluminum hydroxide). Due to its high filtration rate, it can be easily ***d for sample purification when analyzing biological fluids or extracts containing organic matter. This filter paper is ***d in air pollution monitoring when the focus is on filtration rate rather than particle collection.
- Note)Only for test and research purposes.
Spec
- Circular
- Features: Very fast
- Particle retention capacity (liquid) (μm): 20-25*
- *The particle diameter is expressed as 98% holding efficiency.
- Filtration rate (approximate) (Herzberg) (sec): 37
- Airflow (sec/100 mL/in2): 3.7
- Thickness (μm): 205
- Weight (g/m2): 96
- Type: General qualitative filter paper
- Total ash (%): 0.060
- Weight (g/m2): 92
- Initial filtration rate *: 12
- *Filtration speed This is a variation of the ASTM D981-56 test method and indicates the time in seconds to filter 100 mL of water by folding a 15 cm diameter filter paper into 4 folds.
- Diameter (mm): 42.5
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