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Quantitative filter papers, ashless grades, grade 44, Whatman™

Fornitore: Whatman products (Cytiva)
1444-070 1444-090 1444-110 1444-125 1444-150 1444-185 1444-240
512-0331EA 39.9 EUR
512-0331 512-0332 512-0333 512-0334 512-0335 512-0336 512-0656
Quantitative filter papers, ashless grades, grade 44, Whatman™
Filtri Carta da filtro Carta da filtro per analisi quantitative
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.

  • 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 stronglyMore Product Information
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Specifiche

Grado 44 44
Peso 80 g/m² 80 g/m²
Environmentally Preferable
Spessore 176 µm 176 µm
Ritenzione delle particelle 3 µm 3 µm
Velocità di filtrazione 995 s (Herzberg) 995 sec (Herzberg)
Contenuto di cenere 0,007% 0,007%
Portata d'aria 56 s/100 ml/6,5 cm² 56 s/100 ml/6,5 cm²

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