Ahlstrom Ashless Quantitative Filter Papers (Ash 0.007%), Grade 94

Ahlstrom 94: 1.5 m - Slow Speed. This is an extremely fine retention filter for critical gravimetric analysis of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride.

Ashless Grades (Ash 0.007%). These standard ashless grade high purity filter papers are suitable for routine quantitative gravimetric techniques and in the preparation of samples for use in analysis involving instrumental techniques.

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

Grade 94 Properties:
• Retention: 1.5 µm
• Filtration speed (punch Herzberg): 1724 sec./100 mL
• Filtration speed (Rapidity): 4 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): 4.25

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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