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Key Documents

WHA10314747

Whatman® prepleated qualitative filter paper, Grade 1573 1/2

circles, diam. 185 mm, pack of 100

别名:

Z695998

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About This Item

分類程式碼代碼:
41104900
NACRES:
NB.24

材料

cellulose filters
circles

包裝

pack of 100

製造商／商標名

Whatman 10314747
Whatman Article No. 28414349 (US reference)

參數

25 sec/100 mL speed (Herzberg)

直徑

185 mm

厚度

170 μm

孔徑

12-25 μm

基重

88 g/m2

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一般說明

Time-saving Whatman qualitative grades are offered in this convenient form, which gives major advantages over flat circles:

  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses
  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed
  • Increased total loading capacity as more filter area is available
  • Maintained flow rate due to the reduction in filter paper contact with funnel side and, the self-supporting shape of the filter itself
  • The prepleating does not significantly affect any of the technical data and the same figures may be used for the flat circles

Grade 1573 ½ : 12-25 mm (fast, smooth filter paper)
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 nitric acid solutions (up to 40% at 50°C), hydrochloric (up to 10% at 100°C, 20% at 60°C, 25% at 20°C), alkalis (up to 10% at 20°C).

特點和優勢

  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses.
  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed.
  • Increased total loading capacity as more filter area is available.
  • Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.
  • The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.

其他說明

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

法律資訊

Whatman is a registered trademark of Cytiva

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