Whatman Filter Paper, round, Grade 1573, 290 mm, wet-strengthened, 100 pc/PAK

Name: Whatman Filter Paper, round, Grade 1573, 290 mm, wet-strengthened, 100 pc/PAK
Brand: Whatman

Properties: Fast filtration Filtration speed of 25 s/100 ml A paper with a high filtration speed and high wet strength. With a very smooth surface for easier scraping or washing off of the precipitate. Resistant to sulphuric and nitric acid solutions (up to 40% at 50 °C), hydrochloric acid solutions (up to 10% at 100 °C, 20% at 60 °C, 25% at 20 °C) and alkaline solutions (up to 10% at 20 °C). These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc. Some wet strengthened grades are available in folded (prepleated) forms. A fast filter paper with high wet strength. It has a very smooth surface making it easy to scrape or wash off precipitate. Resistant against: sulfuric and nitZobraziť viac

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