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Whatman
Whatman Quantitative Filter Papers Ashless Grades, Grade 40 circles, 70 mm, 100/pk
Whatman Quantitative Filter Papers Ashless Grades, Grade 40 circles, 70 mm, 100/pk
$50.95
- MFR:
- 1440-070
- Medex SKU:
- WTM-1440-070
- Packing Info:
- 100/Pk
- Usually Ships:
- 1 - 2 Business Days
- Freight Quote Button:
- False
Description
Features of the Whatman Quantitative Filter Papers Ashless Grades:
- Acid washed: Ash content not exceeding 0.007%.
- Meet ASTM "ash content per circle" requirements.
- Manufactured with demineralized water for high purity.
- Limited wet strength, use care to avoid rupturin
Whatman 40
- Particle Retention: >8µm.
- Porosity: Medium.
- Filtration Speed: ASTM, 75 seconds; Herzberg, 340 seconds.
- Surface: Smooth.