Ahlstrom Hardened Ashless Quantitative Filter Papers (Ash 0.006%), Grade 95

Grade 95: 1.5 µm- Slow Speed. This is an extremely fine retention filter for critical gravimetric analysis and metal determination of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride.

Hardened Ashless Grades (Ash 0.006%). These specially treated hardened ashless grades are available for critical quantitative analytical techniques requiring increased wet-strengthed and handling capacity. These high purity filter papers have a tough, smooth surface free of loose fibers and are ideal for collecting wet precipitates. Each grade offers a convenient combination of particle retention and flow rate and are generally used because of their high chemical resistance to strong acid and alkali.

• Qualitative analysis
• Low ash content 0.07% (acid-wash treated)
• High-wet-strength
• Consistent performance
• Custom cut
• Bulk packaging

Grade 95 Properties:
• Retention: 1.5 µm
• Filtration speed (punch Herzberg): 458 sec./100 mL
• Filtration speed (Rapidity): 15 mL/min.
• Loading capacity: Medium
Image(s) are representative of the product group and not necessarily the individual product.

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Filter Size (cm): 2.1

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Filter Size (cm): 2.4

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Filter Size (cm): 5.5

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Filter Size (cm): 7

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Filter Size (cm): 9

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Filter Size (cm): 11

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Filter Size (cm): 12.5

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Filter Size (cm): 15

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Filter Size (cm): 18.5

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Filter Size (cm): 24

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Filter Size (cm): 27

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Filter Size (cm): 32

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Filter Size (cm): 40