Ahlstrom Ashless Quantitative Filter Papers (Ash 0.007%), Grade 74

• Ahlstrom 74: 2.0 m - Medium Speed
• This grade has medium flow rate and good particle retention and is the most commonly used acid-washed filter
• Ahlstrom 74 covers a wide range of general ashless filtration applications
• It is used for gravimetric analysis of numerous components (e.g.: cements, copper, clay, bismuth, silicon, iron) found in heavy industries such as construction, mining or steel
• Ahlstrom 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate, lead sulfate, zinc and ammonium hydroxides
• Ahlstrom 74 is also found in general soil analysis for separating solid from aqueous extracts

• 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 74 Properties:
• Retention: 2 µm
• Filtration speed (punch Herzberg): 229 sec./100 mL
• Filtration speed (Rapidity): 30 mL/min.
• Loading capacity: Medium

Image(s) are representative of the product group and not necessarily the individual product.
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• Ahlstrom 74: 2.0 m - Medium Speed
• This grade has medium flow rate and good particle retention and is the most commonly used acid-washed filter
• Ahlstrom 74 covers a wide range of general ashless filtration applications
• It is used for gravimetric analysis of numerous components (e.g.: cements, copper, clay, bismuth, silicon, iron) found in heavy industries such as construction, mining or steel
• Ahlstrom 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate, lead sulfate, zinc and ammonium hydroxides
• Ahlstrom 74 is also found in general soil analysis for separating solid from aqueous extracts

• 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 74 Properties:
• Retention: 2 µm
• Filtration speed (punch Herzberg): 229 sec./100 mL
• Filtration speed (Rapidity): 30 mL/min.
• Loading capacity: Medium

Image(s) are representative of the product group and not necessarily the individual product.

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2023