Call Us
888.433.2300
Also Available In
Whatman
(0)
Write a Review
Write a Review
Whatman
Whatman Quantitative Filter Papers, Grade 40, 9 cm, 100/pk
Whatman Quantitative Filter Papers, Grade 40, 9 cm, 100/pk
$68.95
- MFR:
- 1440-090
- Medex SKU:
- WTM-1440-090
- Packing Info:
- 100/pk
- Usually Ships:
- 1 - 2 Business Days
- Freight Quote Button:
- False
Description
Features of the Whatman Quantitative Filter Papers:
- Suitable for gravity or low-suction filtration.
- 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 rupturing.
- Particle Retention: >8m.
- Porosity: Medium.
- Filtration Speed: AASTM, 75 seconds; Herzberg, 340 seconds.
- Surface: Smooth.
Applications:
- Widely used, general-purpose gravimetric grade.
- Medium crystalline precipitates: calcium oxalate, well-digested barium.
- Normal loading; limited wet strength.