Whatman Quantitative Filter Papers, Ashless, Grade 44
Whatman Quantitative Filter Papers, Ashless, Grade 44
Cytiva's Whatman Grade 44 quantitative paper is a thin version of Grade 42 ashless paper. The thinness reduces the overall ash content, making Grade 44 well suited for analyses relying on ash-free dry weight.
Order ProductCytiva's Whatman Grade 44 quantitative paper is a thin version of Grade 42 ashless paper. The thinness reduces the overall ash content, making Grade 44 well suited for analyses relying on ash-free dry weight.
- Accurate ash free dry mass measurements
- Fine nominal particle retention rating of 3 µm
- Filtration speed (Herzberg 995 s)
- Typical thickness of 180 µm
Cytiva's business offers other ashless grades with different particle retention ratings, as well as hardened ashless grades to ensure accurate measurement during analyses of samples that are strongly acidic/alkali.
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| Product | Product Name | Price | ||
|---|---|---|---|---|
| 1444-070 | Grade 44 Ashless Filter Paper, Thin, 70 mm circle (100 pcs) | Ø 70 mm | 29.65 USD |
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| 1444-090 | Grade 44 Ashless Filter Paper, Thin, 90 mm circle (100 pcs) | Ø 90 mm | 41.24 USD |
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| 1444-110 | Grade 44 Ashless Filter Paper, Thin, 110 mm circle (100 pcs) | Ø 110 mm | 50.37 USD |
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| 1444-125 | Grade 44 Ashless Filter Paper, Thin, 125 mm circle (100 pcs) | Ø 125 mm | 58.09 USD |
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| 1444-150 | Grade 44 Ashless Filter Paper, Thin, 150 mm circle (100 pcs) | Ø 150 mm | 73.53 USD |
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| 1444-185 | Grade 44 Ashless Filter Paper, Thin, 185 mm circle (100 pcs) | Ø 185 mm | 108.29 USD |
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| 1444-240 | Grade 44 Ashless Filter Paper, Thin, 240 mm circle (100 pcs) | Ø 240 mm | 171.97 USD |
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