Cat #: 35-237

Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit

Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit primary image
Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit secondary image
Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit tertiary image
Ahlstrom 9500-3200 Qualitative Filter Papers, Wet-Strengthened, Grade 950, 32cm, 100/Unit quaternary image
Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit primary image
Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit primary image
Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit secondary image
Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit tertiary image
Ahlstrom 9500-3200 Qualitative Filter Papers, Wet-Strengthened, Grade 950, 32cm, 100/Unit quaternary image

Cat #: 35-237

Ahlstrom 0740-0425 Quantitative Filter Papers - Ashless, Grade 74, 4.25cm, 100/Unit


Grade 74, 4.25cm

100/Unit

Brand: Ahlstrom

  • Low ash content 0.007% (Acid-wash treated)
  • High wet-strength
  • 2.0µm – Medium Speed
  • Case Qty: 60

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Grade 74, 4.25cm

100/Unit

Brand: Ahlstrom

  • Low ash content 0.007% (Acid-wash treated)
  • High wet-strength
  • 2.0µm – Medium Speed
  • Case Qty: 60

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.

These standard ashless grades are high purity filter papers suitable for routine quantitative gravimetric techniques and in the preparation of samples for use in analysis involving instrumental techniques.

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