WHA10311808

Whatman^® qualitative filter paper, Grade 597

circles, diam. 70 mm, pack of 100

• 동의어(들): Z749176
• UNSPSC 코드: 41104900
• NACRES: NB.24

속성

• material: cellulose filters; circles
• 포장: pack of 100
• 제조업체/상표: Whatman 10311808; Whatman Article No. 28414226 (US reference)
• 파라미터: 70 sec/100 mL speed (Herzberg)
• 직경: 70 mm
• 두께: 180 μm
• 공극 크기: 4-7 μm (Particle retention)
• 기초 중량: 85 g/m²

설명

일반 설명

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

Grade 597: 4-7 μm (medium fast filter paper)
A medium fast filter paper with medium to fine particle retention. Used for a wide variety of analytical routine applications in different industries like food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis).

특징 및 장점

• 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.

기타 정보

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

법적 정보

Whatman is a registered trademark of Cytiva