Passa al contenuto
Merck
Tutte le immagini(1)

Key Documents

WHA10300014

Whatman® quantitative filter papers, ashless, Grade 589/1 black ribbon

circles, diam. 185 mm, pack of 100

Sinonimo/i:

Whatman filter, Whatman paper, Z695335, paper filter

Autenticatiper visualizzare i prezzi riservati alla tua organizzazione & contrattuali
Tutte le immagini(1)

About This Item

Codice UNSPSC:
41104900
NACRES:
NB.24

Materiali

cellulose filters
circles

Confezionamento

pack of 100

Produttore/marchio commerciale

Whatman 10300014
Whatman Article No. 28414101 (US reference)

Parametri

25 sec/100 mL speed (Herzberg)

Diametro

185 mm

Spessore

190 μm

Ceneri

≤0.01%

Dimensione pori

12-25 μm (Particle retention)

Grammatura

80 g/m2

Cerchi prodotti simili? Visita Guida al confronto tra prodotti

Descrizione generale

Whatman quantitative filters are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet your specific needs.

Ashless: 0.007% ash maximum for Grades 40 to 44 and a maximum of 0.01% for the 589 Grades-very pure filters suitable for a wide range of critical analytical filtration procedures.

Hardened low ash: 0.015% ash maximum-treated with a strong acid to remove trace metals and produce high wet strength and chemical resistance. These filters are particularly suitable for Büchner filtration where the tough smooth surface of the filter makes it easy to recover precipitates.

Hardened ashless: 0.006% ash maximum-acid hardened to give high wet strength and chemical resistance with extremely low ash content. The tough surface makes these filters suitable for a wide range of critical filtration procedures.

Grade 589/1: 12-25 μm (fast filter paper)
‘Black Ribbon Filter′, the established standard in quantitative analysis for the filtration of coarse precipitates (class 2a acc. to DIN 53 135). Ashless filter paper with very high flow rate. Used for many quantitative standard methods, especially for gravimetric applications (e.g., determination of the ash content in foodstuffs), or for the Blaine test in the cement industry.

Caratteristiche e vantaggi

  • Herzberg filtration speed of 50 s*
  • Black ribbon filter′ for Fast filtration of coarse precipitates
  • High purity (< 0.01% ash)
  • Blaine test and ash content test compatible
  • Also available prepleated as Grade 589/1 ½

Altre note

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Note legali

Whatman is a registered trademark of Cytiva

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number

Ci dispiace, ma al momento non ci sono COA disponibili online per questo prodotto.

Se ti serve aiuto, non esitare a contattarci Servizio Clienti

Possiedi già questo prodotto?

I documenti relativi ai prodotti acquistati recentemente sono disponibili nell’Archivio dei documenti.

Visita l’Archivio dei documenti

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

Contatta l'Assistenza Tecnica.