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Carta da filtro quantitativa, hardened ashless grades, grade 542, Whatman™

Fornitore: Whatman products (Cytiva)
1542-055 1542-070 1542-090 1542-110 1542-125 1542-150 1542-185 1542-240
512-0366EA 32.5 EUR
512-0366 512-0367 512-0368 512-0369 512-0370 512-0371 512-0372 512-0373
Carta da filtro quantitativa, hardened ashless grades, grade 542, Whatman™
Filtri Carta da filtro Carta da filtro per analisi quantitative
Cytiva's Whatman Grade 542 filters are acid hardened to allow high retention of fine precipitates in applications such as metal determinations and hydroxide collection.

  • High wet-strength
  • Acid-hardened for resistance to strong acid and alkali solutions
  • Nominal particle retention rating of 2.7 µm
  • Herzberg filtration speed of 2510 s
  • Extremely low ash content (0.006% ash maximum)

Along with Grade 542 cellulose filter paper, the Whatman range of hardened quantitative papers from Cytiva's business includes fast Grade 541 and general-purpose Grade 540 filters. All three grades are designed for use in quantitative analysis with strong acid/alkali solutions.

Hardened Grade 542 quantitative papers enable high retention of fine particles in chemically harsh conditions. When acting as a gravimetric filter, this cellulose filter paper is therefore well suited for use in capturing fine precipitates in applications such as metal determinations and hydroxide collection.

Quantitative filter papers featuring high wet strength and chemical resistance. These papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them suitable for a wide range of critical analytical filtration operations. Each grade offers a convenient combination of filtration speed and particle retention.
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